Asteroids

2019SF6 help

Last update: 2024-04-24 23:53 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.445

Aphelion (Q)

1.080

Eccentricity (e)

0.416

Inclination (i)

2.2

deg

Orbit period (P)

243.2

Earth MOID

0.01505

U parameter

0.9

Next Earth close approach

Date

2025-09-28

Nominal distance (from Earth center)

0.05117

7655261

Maximum Brightness

21.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-09-28

Observatory

Mt. Lemmon Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.762501

1-sigma variation

3.251E-9

Unit

Eccentricity (e)

Value

0.416404

1-sigma variation

4.525E-7

Unit

Inclination (i)

Value

2.1818

1-sigma variation

2.319E-5

Unit

Long. of Ascending Node (Ω)

Value

200.8952

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

3.3773

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

53.10442

1-sigma variation

0.00010

Unit

Perihelion distance

Value

0.444992

1-sigma variation

Unit

Aphelion distance

Value

1.080009

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.556854

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.082015

1-sigma variation

Unit

MOID

Value

0.015053

1-sigma variation

Unit

Orbit Period

Value

243.1973

1-sigma variation

Unit

U parameter

Value

0.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.05660E-17	3.71852E-16	4.72122E-14	-1.70836E-13	1.29270E-13	4.44823E-14
e	3.71852E-16	2.04754E-13	6.09039E-12	-1.69623E-11	3.12439E-11	-4.28654E-11
i	4.72122E-14	6.09039E-12	5.37825E-10	-2.68986E-9	2.95267E-9	-1.00256E-9
Ω	-1.70836E-13	-1.69623E-11	-2.68986E-9	1.61615E-8	-1.70590E-8	3.21388E-9
ω	1.29270E-13	3.12439E-11	2.95267E-9	-1.70590E-8	1.94866E-8	-7.19789E-9
M	4.44823E-14	-4.28654E-11	-1.00256E-9	3.21388E-9	-7.19789E-9	1.08364E-8

Date of computation: 2024-04-23 10:08 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

26.146

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

16 - 40*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

2917

Unit

Source

[1]

Unobserved

Value

204

Unit

Source

[1]

Normalized RMS of residuals

Value

0.634353

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2015-10-09.376171

Unit

Source

[2]

Last Observation

Value

2023-10-04.27156

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

48 (1)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close approaches for 2019SF6 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
MERCURY	1950-10-29 18:09	< 1 min	0.0305315	0.0305240	0.0000025
EARTH	1951-09-26 10:39	< 1 min	0.0329170	0.0329154	0.0000005
EARTH	1953-09-25 19:59	< 1 min	0.0323617	0.0323604	0.0000004
EARTH	1955-09-26 22:37	< 1 min	0.0357947	0.0357938	0.0000003
EARTH	1957-09-27 20:22	< 1 min	0.0427746	0.0427741	0.0000002
EARTH	1959-09-30 09:45	< 1 min	0.0513121	0.0513116	0.0000002
EARTH	1961-10-02 20:30	< 1 min	0.0609548	0.0609540	0.0000003
MERCURY	1962-02-27 02:20	< 1 min	0.0051285	0.0051263	0.0000007
EARTH	1963-10-07 11:53	< 1 min	0.0707193	0.0707181	0.0000004
EARTH	1965-10-11 16:22	< 1 min	0.0782114	0.0782101	0.0000004
EARTH	1967-10-16 14:17	< 1 min	0.0823464	0.0823451	0.0000004
EARTH	1969-10-20 10:26	< 1 min	0.0837612	0.0837602	0.0000003
EARTH	1971-10-25 06:53	< 1 min	0.0823302	0.0823295	0.0000002
EARTH	1973-10-28 21:54	< 1 min	0.0786031	0.0786023	0.0000003
EARTH	1975-11-02 19:07	< 1 min	0.0718122	0.0718108	0.0000005
MERCURY	1976-02-19 13:10	< 1 min	0.0129701	0.0129647	0.0000018
EARTH	1977-11-06 04:52	< 1 min	0.0630682	0.0630664	0.0000006
EARTH	1979-11-09 22:20	< 1 min	0.0532616	0.0532595	0.0000007
EARTH	1981-11-11 17:14	< 1 min	0.0445001	0.0444980	0.0000007
EARTH	1983-11-13 16:37	< 1 min	0.0374218	0.0374201	0.0000005
EARTH	1985-11-13 23:20	< 1 min	0.0330147	0.0330136	0.0000004
MERCURY	1987-06-16 02:20	< 1 min	0.0135587	0.0135556	0.0000010
EARTH	1987-11-14 16:17	< 1 min	0.0321568	0.0321561	0.0000002
EARTH	1989-11-13 12:52	< 1 min	0.0356229	0.0356222	0.0000002
EARTH	1991-11-12 13:58	< 1 min	0.0424237	0.0424229	0.0000003
EARTH	1993-11-09 23:32	< 1 min	0.0510969	0.0510958	0.0000003
EARTH	1995-11-07 16:37	< 1 min	0.0604494	0.0604482	0.0000004
MERCURY	1996-02-20 18:22	< 1 min	0.0390220	0.0390209	0.0000004
EARTH	1997-11-03 09:31	< 1 min	0.0700181	0.0700168	0.0000004
EARTH	1999-10-31 03:48	< 1 min	0.0768633	0.0768619	0.0000004
EARTH	2001-10-26 04:51	< 1 min	0.0822943	0.0822931	0.0000004
MERCURY	2002-02-16 22:48	< 1 min	0.0238946	0.0238921	0.0000008
EARTH	2003-10-22 05:55	< 1 min	0.0848137	0.0848125	0.0000004
EARTH	2005-10-17 03:07	< 1 min	0.0848882	0.0848872	0.0000003
EARTH	2007-10-12 15:41	< 1 min	0.0815920	0.0815911	0.0000003
EARTH	2009-10-07 12:31	< 1 min	0.0754536	0.0754529	0.0000002
EARTH	2011-10-03 21:22	< 1 min	0.0670794	0.0670788	0.0000002
EARTH	2013-09-29 22:31	< 1 min	0.0570405	0.0570400	0.0000002
EARTH	2015-09-27 16:38	< 1 min	0.0470561	0.0470556	0.0000001
MERCURY	2016-10-28 12:58	< 1 min	0.0136212	0.0136176	0.0000012
EARTH	2017-09-25 17:49	< 1 min	0.0402041	0.0402036	0.0000002
EARTH	2019-09-25 16:59	< 1 s	0.0373208	0.0373203	0.0000002
EARTH	2021-09-25 07:52	< 1 s	0.0379598	0.0379593	0.0000002
EARTH	2023-09-26 18:53	< 1 min	0.0427967	0.0427962	0.0000002
EARTH	2025-09-28 08:20	< 1 min	0.0511723	0.0511718	0.0000001
EARTH	2027-10-01 21:58	< 1 min	0.0611428	0.0611423	0.0000002
MERCURY	2028-03-01 00:46	< 1 min	0.0243938	0.0243917	0.0000007
EARTH	2029-10-05 03:30	< 1 min	0.0701322	0.0701316	0.0000002
EARTH	2031-10-09 19:06	< 1 min	0.0770495	0.0770488	0.0000002
EARTH	2033-10-13 23:21	< 1 min	0.0817242	0.0817234	0.0000003
EARTH	2035-10-19 10:23	< 1 min	0.0833535	0.0833524	0.0000004
EARTH	2037-10-23 19:04	< 1 min	0.0815993	0.0815981	0.0000004
MERCURY	2039-06-16 04:36	< 1 min	0.0384367	0.0384332	0.0000012
EARTH	2039-10-28 14:54	< 1 min	0.0772930	0.0772916	0.0000005
EARTH	2041-11-01 04:32	< 1 min	0.0707344	0.0707329	0.0000005
MERCURY	2042-02-20 16:01	< 1 min	0.0384992	0.0384980	0.0000004
EARTH	2043-11-05 04:51	< 1 min	0.0626139	0.0626125	0.0000005
EARTH	2045-11-07 09:43	< 1 min	0.0545650	0.0545638	0.0000004
VENUS	2045-12-29 21:02	< 1 min	0.0461600	0.0461583	0.0000006
EARTH	2047-11-09 13:48	< 1 min	0.0486910	0.0486900	0.0000003
EARTH	2049-11-09 20:38	< 1 min	0.0456126	0.0456118	0.0000002
MERCURY	2050-10-10 06:12	< 1 min	0.0450608	0.0450596	0.0000004
EARTH	2051-11-10 12:26	< 1 min	0.0447558	0.0447552	0.0000002
EARTH	2053-11-09 14:18	< 1 min	0.0466574	0.0466566	0.0000003
VENUS	2053-12-28 21:55	< 1 min	0.0451583	0.0451580	0.0000001
EARTH	2055-11-08 16:39	< 1 min	0.0521857	0.0521845	0.0000004
EARTH	2057-11-05 20:21	< 1 min	0.0599962	0.0599947	0.0000005
MERCURY	2059-06-14 05:55	< 1 min	0.0252323	0.0252268	0.0000018
EARTH	2059-11-03 10:32	< 1 min	0.0676962	0.0676948	0.0000005
EARTH	2061-10-30 11:36	< 1 min	0.0747657	0.0747645	0.0000004
EARTH	2063-10-26 15:23	< 1 min	0.0808606	0.0808599	0.0000002
EARTH	2065-10-21 18:37	< 1 min	0.0843954	0.0843948	0.0000002
EARTH	2067-10-17 18:22	< 1 min	0.0852094	0.0852082	0.0000004
MERCURY	2068-02-26 09:33	< 1 min	0.0491890	0.0491823	0.0000022
EARTH	2069-10-12 18:13	< 1 min	0.0833787	0.0833768	0.0000006
EARTH	2071-10-08 20:49	< 1 min	0.0789572	0.0789549	0.0000008
EARTH	2073-10-04 15:43	< 1 min	0.0728368	0.0728342	0.0000009
MERCURY	2074-02-22 13:16	< 1 min	0.0171953	0.0171918	0.0000012
EARTH	2075-10-02 05:19	< 1 min	0.0663405	0.0663380	0.0000008
VENUS	2077-05-13 18:00	< 1 min	0.0497724	0.0497704	0.0000006
EARTH	2077-09-29 09:46	< 1 min	0.0597884	0.0597863	0.0000007
EARTH	2079-09-28 13:58	< 1 min	0.0555249	0.0555234	0.0000005
EARTH	2081-09-27 02:04	< 1 min	0.0519812	0.0519805	0.0000002
MERCURY	2082-10-28 23:11	< 1 min	0.0092110	0.0092095	0.0000005
EARTH	2083-09-27 03:59	< 1 min	0.0505479	0.0505472	0.0000003
VENUS	2085-05-13 20:43	< 1 min	0.0414662	0.0414630	0.0000011
EARTH	2085-09-26 13:57	< 1 min	0.0503536	0.0503517	0.0000006
EARTH	2087-09-27 12:01	< 1 min	0.0520956	0.0520921	0.0000012
EARTH	2089-09-27 17:23	< 1 min	0.0546250	0.0546204	0.0000015
MERCURY	2091-06-24 07:37	< 1 min	0.0400719	0.0400524	0.0000065
EARTH	2091-09-29 13:20	< 1 min	0.0589685	0.0589633	0.0000017
VENUS	2093-05-12 07:44	< 1 min	0.0398160	0.0398151	0.0000003
EARTH	2093-10-01 00:38	1.2	0.0645344	0.0645292	0.0000017
EARTH	2095-10-04 04:01	1.7	0.0706667	0.0706613	0.0000018
EARTH	2097-10-06 11:27	2.2	0.0756058	0.0756005	0.0000017
EARTH	2099-10-10 05:36	2.7	0.0799319	0.0799279	0.0000013
EARTH	2101-10-14 06:40	3.1	0.0826246	0.0826227	0.0000006
EARTH	2103-10-18 18:08	3.2	0.0836050	0.0836039	0.0000004
MERCURY	2105-06-24 00:17	2.6	0.0261655	0.0261376	0.0000093
EARTH	2105-10-22 14:46	3.1	0.0824521	0.0824477	0.0000015
EARTH	2107-10-27 08:25	2.9	0.0786998	0.0786924	0.0000025
EARTH	2109-10-30 16:33	2.5	0.0729451	0.0729356	0.0000032
EARTH	2111-11-03 13:01	2.0	0.0659183	0.0659079	0.0000035
EARTH	2113-11-06 00:43	1.4	0.0577853	0.0577757	0.0000032
EARTH	2115-11-08 20:30	< 1 min	0.0498094	0.0498020	0.0000025
MERCURY	2116-10-13 03:19	< 1 min	0.0077656	0.0077624	0.0000011
EARTH	2117-11-09 21:31	< 1 min	0.0435485	0.0435437	0.0000016
EARTH	2119-11-11 02:12	< 1 min	0.0401861	0.0401841	0.0000007
EARTH	2121-11-10 16:49	< 1 min	0.0395419	0.0395407	0.0000004
EARTH	2123-11-10 18:24	< 1 min	0.0417664	0.0417623	0.0000014

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