Asteroids

511684 2015BN509 help

Last update: 2024-04-25 01:36 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.434

Aphelion (Q)

1.579

Eccentricity (e)

0.568

Inclination (i)

4.2

deg

Orbit period (P)

369.0

Earth MOID

0.02467

U parameter

0.5

A₂

87.4

10^-15au/days²

Next Earth close approach

Date

2051-10-17

Nominal distance (from Earth center)

0.16891

25267907

Maximum Brightness

19.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

20.7

mag

Diameter

270

Taxonomic type

Scomp

Rotation period (T)

5.672

Discovery Information

Discovery Date

2015-01-22

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

1.006758

1-sigma variation

7.981E-9

Unit

Eccentricity (e)

Value

0.568462

1-sigma variation

1.205E-7

Unit

Inclination (i)

Value

4.1534

1-sigma variation

4.337E-6

Unit

Long. of Ascending Node (Ω)

Value

120.0963

1-sigma variation

2.067E-5

Unit

Arg. of Perihelion (ω)

Value

143.1792

1-sigma variation

2.290E-5

Unit

Mean Anomaly (M)

Value

331.07799

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.434454

1-sigma variation

Unit

Aphelion distance

Value

1.579062

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.267646

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.547574

1-sigma variation

Unit

MOID

Value

0.024672

1-sigma variation

Unit

Orbit Period

Value

368.9658

1-sigma variation

Unit

U parameter

Value

0.5

1-sigma variation

Unit

A₂

Value

87.42374

1-sigma variation

18.44870

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	6.36964E-17	5.83791E-16	-2.64298E-15	-9.21863E-15	4.96687E-14	-9.44517E-14	1.35508E-7
e	5.83791E-16	1.45150E-14	-1.18992E-13	-2.72141E-13	1.27077E-12	-6.12993E-13	6.08560E-7
i	-2.64298E-15	-1.18992E-13	1.88055E-11	8.62854E-11	-9.34609E-11	2.72209E-12	4.06540E-6
Ω	-9.21863E-15	-2.72141E-13	8.62854E-11	4.27382E-10	-4.41516E-10	5.09045E-12	-5.32669E-6
ω	4.96687E-14	1.27077E-12	-9.34609E-11	-4.41516E-10	5.24429E-10	-4.76129E-11	4.82689E-5
M	-9.44517E-14	-6.12993E-13	2.72209E-12	5.09045E-12	-4.76129E-11	1.51434E-10	-2.12396E-4
A₂	1.35508E-7	6.08560E-7	4.06540E-6	-5.32669E-6	4.82689E-5	-2.12396E-4	3.40354E2

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

5.672

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

0.81

Unit

mag

Source

[3]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Scomp

Unit

Source

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

20.742

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.403

Unit

Source

[5]

Diameter

Value

270

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	EARN	1.) Warner, B.D. (2018) MPB 45, 248-256. (Near-Earth Asteroid Lightcurve Analysis at CS3-Palmer Divide Station: 2018 January-April)(28 NEOs) 2.) Warner, B.D. (2017) Minor Planet Bul. 44, 223-237.
[4]	ESA ODIM	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Masiero, J.R. et al. (2018) Astron. J. 156_60(8pp) (Small and Nearby NEOs Observed by NEOWISE During the First Three Years of Survey: Physical Properties)
[6]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

6618

Unit

Source

[1]

Unobserved

Value

100

Unit

Source

[1]

Normalized RMS of residuals

Value

0.58886

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2005-12-03.633519

Unit

Source

[2]

Last Observation

Value

2024-01-16.396388

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

618 (12)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2017-02-05

Unit

Source

[3]

Last Observation

Value

2018-02-10

Unit

Source

[3]

Delay (Discarded)

Value

5 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

2 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

7 (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 511684 2015BN509 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
VENUS	1957-11-07 00:58	> 1 d	0.0474850	0.0031898	0.0325153
MERCURY	1959-10-02 09:45	> 1 d	0.0380087	0.0328547	0.0189007
VENUS	1968-12-07 18:25	> 1 d	0.0423297	0.0031217	0.0408306
MERCURY	1970-11-05 16:12	> 1 d	0.0455318	0.0303707	0.0161961
VENUS	1977-10-30 02:40	27.6	0.0041596	0.0041565	0.0000165
MERCURY	1986-12-19 04:38	37.5	0.0453332	0.0444711	0.0002907
VENUS	2005-03-24 21:17	3.5	0.0150603	0.0149021	0.0000528
EARTH	2015-02-04 01:49	< 1 min	0.1550280	0.1550183	0.0000032
EARTH	2016-02-06 14:18	< 1 min	0.0960151	0.0960102	0.0000017
EARTH	2017-02-07 21:30	< 1 min	0.0416493	0.0416478	0.0000005
EARTH	2018-02-09 19:57	< 1 s	0.0329835	0.0329834	0.0000000
EARTH	2019-02-11 10:59	< 1 s	0.0842987	0.0842986	0.0000000
EARTH	2020-02-12 08:03	< 1 s	0.1409017	0.1409002	0.0000005
EARTH	2021-02-10 20:10	< 1 min	0.1978735	0.1978692	0.0000014
MERCURY	2024-04-22 12:03	1.6	0.0375444	0.0375330	0.0000038
VENUS	2028-04-12 04:05	2.0	0.0322613	0.0321758	0.0000285
MERCURY	2029-05-10 04:43	3.2	0.0419717	0.0419115	0.0000201
VENUS	2047-09-02 05:50	8.6	0.0474211	0.0470603	0.0001203
EARTH	2051-10-17 17:17	< 1 min	0.1689055	0.1686567	0.0000830
EARTH	2052-10-17 14:29	2.3	0.1183523	0.1181337	0.0000729
EARTH	2053-10-19 05:47	3.6	0.0803880	0.0802669	0.0000405
EARTH	2054-10-21 07:31	4.4	0.0755790	0.0754965	0.0000277
EARTH	2055-10-23 15:57	5.0	0.1088444	0.1086270	0.0000725
VENUS	2056-07-30 16:27	8.6	0.0403428	0.0399739	0.0001230
EARTH	2056-10-25 04:37	5.5	0.1593994	0.1591370	0.0000875
VENUS	2070-09-23 13:27	2.0	0.0352015	0.0351155	0.0000287
MERCURY	2080-11-27 08:05	1.9	0.0378165	0.0378021	0.0000048
MERCURY	2085-12-15 19:49	< 1 min	0.0358937	0.0358851	0.0000029
MERCURY	2091-01-04 19:56	1.5	0.0463817	0.0463468	0.0000116
VENUS	2104-04-09 13:50	8.9	0.0283187	0.0279332	0.0001285
EARTH	2110-02-05 11:27	1.5	0.1473406	0.1472460	0.0000315
EARTH	2111-02-08 00:15	< 1 min	0.0877515	0.0876928	0.0000195
EARTH	2112-02-10 07:04	< 1 min	0.0351123	0.0350945	0.0000060
EARTH	2113-02-11 04:48	< 1 min	0.0413088	0.0413031	0.0000019
EARTH	2114-02-12 18:20	< 1 min	0.0969956	0.0969584	0.0000124
EARTH	2115-02-13 10:13	< 1 min	0.1576359	0.1575700	0.0000220

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