Asteroids

2023BY

Last update: 2023-09-29 23:50 UTC

Orbital Properties

Epoch

60200.0

MJD

Orbit type

Aten

Perihelion (q)

0.474

Aphelion (Q)

1.189

Eccentricity (e)

0.430

Inclination (i)

0.9

deg

Orbit period (P)

277.0

Earth MOID

0.00533

U parameter

7.0

Next Earth close approach

Date

2026-01-06

Nominal distance (from Earth center)

0.16807

25142332

Maximum Brightness

23.8

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-21

Observatory

MARGO, Nauchnyi

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)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.831711

1-sigma variation

0.000077

Unit

Eccentricity (e)

Value

0.429549

1-sigma variation

0.000970

Unit

Inclination (i)

Value

0.9005

1-sigma variation

0.0024

Unit

Ascending Node (Ω)

Value

59.4658

1-sigma variation

0.1072

Unit

Arg. of Perihelion (ω)

Value

202.3932

1-sigma variation

0.1014

Unit

Mean Anomaly (M)

Value

204.36991

1-sigma variation

0.14313

Unit

Perihelion

Value

0.474450

1-sigma variation

Unit

Aphelion

Value

1.188971

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.136002

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.527336

1-sigma variation

Unit

MOID

Value

0.005328

1-sigma variation

Unit

Orbit Period

Value

277.0492

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.88752E-9	-6.67410E-8	-1.84331E-7	-3.96282E-6	3.18652E-6	-1.01375E-5
e	-6.67410E-8	9.41243E-7	2.16747E-6	4.75686E-6	3.42770E-6	1.38580E-4
i	-1.84331E-7	2.16747E-6	5.81046E-6	1.07874E-4	-8.38276E-5	3.27371E-4
Ω	-3.96282E-6	4.75686E-6	1.07874E-4	1.14904E-2	-1.08339E-2	1.67673E-3
ω	3.18652E-6	3.42770E-6	-8.38276E-5	-1.08339E-2	1.02818E-2	-4.18928E-4
M	-1.01375E-5	1.38580E-4	3.27371E-4	1.67673E-3	-4.18928E-4	2.04871E-2

Date of computation: 2023-08-01 23:50 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

26.452

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

18*

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

[-]

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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

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

249

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.593061

Unit

arcsec

Source

[1]

First Observation

Value

2023-01-21.90074

Unit

Source

[2]

Last Observation

Value

2023-01-24.156047

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (0)

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 2023BY from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1951-01-15 04:24	> 1 d	0.1293117	0.0898498	0.0132153
MERCURY	1952-10-20 15:04	> 1 d	0.0323326	0.0081919	0.0082125
EARTH	1953-12-20 23:14	> 1 d	0.1999811	0.1933120	0.0022244
EARTH	1956-11-26 13:42	> 1 d	0.1831385	0.1761032	0.0023452
MERCURY	1958-02-11 20:13	> 1 d	0.0469660	0.0343122	0.0047697
EARTH	1959-11-04 15:59	99.4	0.0736208	0.0692340	0.0014665
EARTH	1962-11-02 17:38	13.2	0.0965106	0.0811739	0.0051129
EARTH	1970-01-21 05:24	637.1	0.1986651	0.1494903	0.0164272
EARTH	1973-01-25 00:18	112.6	0.0198586	0.0099469	0.0150188
EARTH	1976-01-16 23:27	> 1 d	0.1212648	0.0825579	0.0129073
EARTH	1978-12-25 18:11	> 1 d	0.1936466	0.1842713	0.0031281
EARTH	1981-12-03 18:06	> 1 d	0.1957758	0.1872464	0.0028445
EARTH	1984-11-11 10:15	> 1 d	0.1279428	0.1103015	0.0058805
EARTH	1987-11-02 05:01	76.4	0.0083169	0.0048669	0.0037824
MERCURY	1994-06-18 09:22	> 1 d	0.0261500	0.0216026	0.0022489
EARTH	1998-01-25 19:06	73.5	0.0193347	0.0140487	0.0050423
EARTH	2001-01-12 01:44	> 1 d	0.1449107	0.1289840	0.0053151
VENUS	2002-02-26 12:05	587.6	0.0368706	0.0317796	0.0040207
EARTH	2006-11-21 09:50	> 1 d	0.1660564	0.1561628	0.0032992
EARTH	2009-11-02 10:11	208.9	0.0257947	0.0058577	0.0078071
VENUS	2011-01-17 06:16	579.1	0.0336053	0.0314044	0.0039641
EARTH	2012-11-03 23:16	242.7	0.1425633	0.1264012	0.0053878
MERCURY	2014-12-01 22:20	955.8	0.0324651	0.0199419	0.0054300
EARTH	2020-01-23 10:26	86.0	0.1626052	0.1552291	0.0024593
MERCURY	2020-03-24 03:44	354.7	0.0228734	0.0218111	0.0003733
EARTH	2023-01-25 19:15	< 1 min	0.0217071	0.0215479	0.0000530
MERCURY	2025-07-20 19:06	731.4	0.0445745	0.0371319	0.0027573
EARTH	2026-01-06 03:15	888.3	0.1680661	0.1653323	0.0009115
EARTH	2031-11-12 07:07	> 1 d	0.1286576	0.1089629	0.0065666
EARTH	2034-11-02 07:38	163.2	0.0492686	0.0169005	0.0109227
MERCURY	2035-05-21 17:45	1381.9	0.0479205	0.0218961	0.0100433
MERCURY	2040-09-20 11:53	1390.8	0.0399842	0.0305488	0.0035977
EARTH	2042-01-22 04:44	119.2	0.1892709	0.1788987	0.0034578
VENUS	2043-08-25 22:38	206.9	0.0316399	0.0315500	0.0000300
EARTH	2045-01-25 11:46	100.6	0.0209389	0.0164240	0.0017410
EARTH	2048-01-03 07:07	808.2	0.1788108	0.1746220	0.0013964
MERCURY	2050-07-30 15:24	938.1	0.0250405	0.0228143	0.0009001
EARTH	2050-12-03 13:38	955.8	0.1966963	0.1943894	0.0007691
EARTH	2053-11-04 11:13	376.6	0.0737309	0.0647392	0.0029990
EARTH	2056-11-03 16:34	202.2	0.1377623	0.1244249	0.0044460
VENUS	2057-07-10 09:16	445.8	0.0398527	0.0328530	0.0034871
MERCURY	2060-06-12 16:48	> 1 d	0.0232914	0.0228826	0.0001377
EARTH	2064-01-26 05:18	228.4	0.0572512	0.0307201	0.0091203
EARTH	2067-01-14 22:35	> 1 d	0.1357476	0.1182067	0.0058509
MERCURY	2070-04-25 06:18	1259.9	0.0307471	0.0197700	0.0060821
EARTH	2072-11-15 18:30	923.2	0.1478620	0.1425044	0.0017859
EARTH	2075-11-02 11:44	86.0	0.0278770	0.0220777	0.0019453
MERCURY	2080-03-07 23:23	222.0	0.0497520	0.0459193	0.0012844
EARTH	2083-01-24 05:18	93.3	0.1432377	0.1356002	0.0025462
EARTH	2086-01-22 20:12	677.0	0.0824449	0.0695189	0.0043233
MERCURY	2090-01-25 14:12	> 1 d	0.0244003	0.0235199	0.0019454
EARTH	2091-11-20 23:05	> 1 d	0.1649991	0.1461457	0.0062866
EARTH	2094-11-02 04:54	50.6	0.0275336	0.0050028	0.0137187
EARTH	2102-01-26 13:37	548.3	0.0887080	0.0518871	0.0124089
MERCURY	2104-07-11 17:44	> 1 d	0.0243263	0.0237135	0.0030851
EARTH	2105-01-15 07:42	> 1 d	0.1388081	0.0961411	0.0142523
EARTH	2110-11-07 14:07	> 1 d	0.0907614	0.0134336	0.0260536
EARTH	2113-11-05 13:48	1388.6	0.1501044	0.0555062	0.0315714
MERCURY	2118-12-29 06:58	> 1 d	0.0346495	0.0103093	0.0164376
EARTH	2121-01-26 23:22	802.8	0.0276054	0.0136489	0.0247127
MERCURY	2123-07-18 11:47	> 1 d	0.0326294	0.0213241	0.0167454
EARTH	2123-12-27 12:52	> 1 d	0.1980779	0.1870153	0.0036899

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