Asteroids

2024BC3 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.641

Aphelion (Q)

1.210

Eccentricity (e)

0.308

Inclination (i)

32.6

deg

Orbit period (P)

325.2

Earth MOID

0.04737

U parameter

7.1

Next Earth close approach

Date

2032-01-27

Nominal distance (from Earth center)

0.08002

11970762

Maximum Brightness

19.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.2

mag

Diameter

100 - 210*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-01-29

Observatory

ATLAS-HKO, Haleakala

ORBIT VISUALISATION TOOLS

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.925542

1-sigma variation

0.000116

Unit

Eccentricity (e)

Value

0.307804

1-sigma variation

0.000069

Unit

Inclination (i)

Value

32.5542

1-sigma variation

0.0173

Unit

Long. of Ascending Node (Ω)

Value

307.7107

1-sigma variation

3.540E-5

Unit

Arg. of Perihelion (ω)

Value

50.9946

1-sigma variation

0.0206

Unit

Mean Anomaly (M)

Value

332.11476

1-sigma variation

0.21502

Unit

Perihelion distance

Value

0.640656

1-sigma variation

Unit

Aphelion distance

Value

1.210427

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.313568

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.054361

1-sigma variation

Unit

MOID

Value

0.047366

1-sigma variation

Unit

Orbit Period

Value

325.2313

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.34535E-8	7.97646E-9	2.00473E-6	4.09963E-9	2.38928E-6	-2.49404E-5
e	7.97646E-9	4.72937E-9	1.18860E-6	2.43051E-9	1.41658E-6	-1.47870E-5
i	2.00473E-6	1.18860E-6	2.98732E-4	6.10936E-7	3.56029E-4	-3.71642E-3
Ω	4.09963E-9	2.43051E-9	6.10936E-7	1.25327E-9	7.28058E-7	-7.59995E-6
ω	2.38928E-6	1.41658E-6	3.56029E-4	7.28058E-7	4.24323E-4	-4.42929E-3
M	-2.49404E-5	-1.47870E-5	-3.71642E-3	-7.59995E-6	-4.42929E-3	4.62351E-2

Date of computation: 2026-06-04 23:11 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

22.22

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

100 - 210*

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 Aegis	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

Unit

Source

[1]

Unobserved

Value

846

Unit

Source

[1]

Normalized RMS of residuals

Value

0.5296

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-01-24.408741

Unit

Source

[2]

Last Observation

Value

2024-02-12.381567

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

213 (3)

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

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2024BC3 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1959-01-25 22:38	36.1	0.1738268	0.1688144	0.0016733
EARTH	1967-01-25 13:53	11.8	0.0694960	0.0649925	0.0015649
EARTH	1975-01-26 20:15	141.6	0.0759087	0.0624443	0.0048819
VENUS	1977-06-11 19:41	556.2	0.0180774	0.0132857	0.0064197
EARTH	1983-01-28 22:28	339.8	0.1635580	0.1320584	0.0106252
EARTH	2008-01-26 13:38	288.6	0.1875377	0.1476321	0.0135478
EARTH	2016-01-25 22:12	13.7	0.1094508	0.0877795	0.0074883
EARTH	2024-01-26 07:26	< 1 s	0.0496113	0.0495390	0.0000241
EARTH	2032-01-27 09:59	215.0	0.0800196	0.0613670	0.0068815
VENUS	2037-02-12 00:32	1020.7	0.0311498	0.0132642	0.0156254
EARTH	2040-01-29 03:24	421.7	0.1519790	0.1173796	0.0117613
VENUS	2070-12-14 10:16	792.7	0.0329009	0.0134115	0.0124095
EARTH	2073-01-25 20:47	169.5	0.1754092	0.1471828	0.0095351
EARTH	2081-01-25 11:20	39.8	0.1289686	0.1105100	0.0062577
EARTH	2089-01-25 11:20	4.6	0.0796049	0.0778312	0.0005949
EARTH	2097-01-25 19:59	79.3	0.0490639	0.0467786	0.0016946
EARTH	2105-01-27 09:34	290.5	0.0550918	0.0468492	0.0073637
EARTH	2113-01-28 08:29	647.0	0.0957102	0.0494635	0.0203861
VENUS	2120-10-15 08:37	> 1 d	0.0128376	0.0128236	0.0015332
EARTH	2121-01-29 14:08	669.0	0.1487799	0.0599387	0.0311614

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
110.62550640	23.94843766	0.04698803	MINIMUM
311.17794494	195.84253784	0.29838329	MINIMUM
24.31538125	290.92464258	0.56019582	SADDLE
218.97145107	103.44645554	0.60846197	SADDLE
9.72137480	88.47434688	1.59480913	SADDLE
165.02910675	240.97120575	2.17556569	MAXIMUM

Download:

MOID Plots

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