Asteroids

2024BF help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.858

Aphelion (Q)

1.079

Eccentricity (e)

0.114

Inclination (i)

2.7

deg

Orbit period (P)

348.3

Earth MOID

0.00144

U parameter

2.4

Next Earth close approach

Date

2043-12-12

Nominal distance (from Earth center)

0.05761

8618781

Maximum Brightness

21.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-01-16

Observatory

Mt. Lemmon Survey

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.968764

1-sigma variation

1.320E-7

Unit

Eccentricity (e)

Value

0.113825

1-sigma variation

0.000001

Unit

Inclination (i)

Value

2.7372

1-sigma variation

1.293E-5

Unit

Long. of Ascending Node (Ω)

Value

222.0630

1-sigma variation

3.843E-5

Unit

Arg. of Perihelion (ω)

Value

115.5801

1-sigma variation

4.939E-5

Unit

Mean Anomaly (M)

Value

107.32065

1-sigma variation

0.00015

Unit

Perihelion distance

Value

0.858495

1-sigma variation

Unit

Aphelion distance

Value

1.079034

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.003954

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.080271

1-sigma variation

Unit

MOID

Value

0.001439

1-sigma variation

Unit

Orbit Period

Value

348.2778

1-sigma variation

Unit

U parameter

Value

2.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.74344E-14	-9.32354E-14	-1.69275E-12	-1.88854E-12	4.41181E-12	-1.91866E-11
e	-9.32354E-14	5.00036E-13	9.09825E-12	9.81526E-12	-2.40962E-11	1.03688E-10
i	-1.69275E-12	9.09825E-12	1.67271E-10	1.58820E-10	-4.29354E-10	1.89748E-9
Ω	-1.88854E-12	9.81526E-12	1.58820E-10	1.47700E-9	-1.52416E-9	1.80883E-9
ω	4.41181E-12	-2.40962E-11	-4.29354E-10	-1.52416E-9	2.43924E-9	-5.24981E-9
M	-1.91866E-11	1.03688E-10	1.89748E-9	1.80883E-9	-5.24981E-9	2.20042E-8

Date of computation: 2025-09-10 00:30 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

24.361

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

40 - 80*

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 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

470

Unit

Source

[1]

Unobserved

Value

193

Unit

Source

[1]

Normalized RMS of residuals

Value

0.407669

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-01-16.399293

Unit

Source

[2]

Last Observation

Value

2025-04-30.44057

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

82 (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

[-]

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

Close Approaches for 2024BF from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1954-12-15 05:24	127.9	0.1207166	0.1051740	0.0052042
EARTH	1955-10-12 17:06	> 1 d	0.1247103	0.1165598	0.0027665
EARTH	1956-02-14 18:50	> 1 d	0.1023023	0.1013345	0.0003320
EARTH	1956-07-21 05:27	> 1 w	0.1438412	0.1387985	0.0016814
EARTH	1957-05-02 15:13	283.3	0.0689721	0.0432882	0.0085615
EARTH	1976-12-08 11:14	63.4	0.0504416	0.0495670	0.0002933
EARTH	1977-08-20 23:10	216.9	0.1571837	0.1570357	0.0000493
EARTH	1978-05-01 12:38	23.0	0.0191409	0.0184533	0.0002292
EARTH	1999-12-10 06:28	< 1 min	0.0783949	0.0783748	0.0000067
EARTH	2000-10-01 15:39	22.2	0.1305946	0.1305769	0.0000059
EARTH	2001-02-17 12:05	28.8	0.1050397	0.1050345	0.0000017
EARTH	2001-07-17 20:23	37.5	0.1403326	0.1403145	0.0000060
EARTH	2002-05-01 22:39	< 1 min	0.0531117	0.0530116	0.0000334
EARTH	2022-12-13 07:16	< 1 min	0.1344247	0.1344217	0.0000010
EARTH	2023-10-20 19:00	< 1 min	0.1119992	0.1119975	0.0000006
EARTH	2024-01-30 15:36	< 1 min	0.0992645	0.0992630	0.0000005
EARTH	2024-07-30 13:17	< 1 min	0.1493747	0.1493722	0.0000008
EARTH	2025-05-01 22:17	< 1 min	0.0243008	0.0243006	0.0000001
EARTH	2043-12-12 16:58	1.4	0.0576130	0.0575448	0.0000227
EARTH	2044-09-17 07:00	30.0	0.1473348	0.1473215	0.0000044
EARTH	2045-03-19 10:23	24.4	0.0904553	0.0904378	0.0000058
EARTH	2045-06-17 21:06	30.8	0.1138550	0.1138248	0.0000101
EARTH	2046-04-29 08:44	< 1 min	0.1548360	0.1547986	0.0000124
EARTH	2064-12-15 17:50	3.6	0.1532368	0.1529713	0.0000885
EARTH	2065-10-21 18:52	137.3	0.1135070	0.1133730	0.0000447
EARTH	2066-02-02 22:26	124.7	0.0984945	0.0984423	0.0000174
EARTH	2066-07-27 22:28	138.0	0.1493112	0.1492596	0.0000172
EARTH	2067-05-02 04:48	2.2	0.0550004	0.0547289	0.0000905
EARTH	2085-12-11 07:12	23.2	0.0358014	0.0350217	0.0002663
EARTH	2086-09-11 00:36	669.5	0.1509358	0.1507183	0.0000726
EARTH	2087-03-31 08:06	564.3	0.0809594	0.0802237	0.0002455
EARTH	2088-04-29 00:48	18.1	0.1703589	0.1689599	0.0004663
EARTH	2107-12-11 05:59	6.8	0.0296364	0.0296093	0.0000093
EARTH	2108-09-05 18:00	154.7	0.1523921	0.1523476	0.0000148
EARTH	2109-04-07 13:04	98.4	0.0736962	0.0734995	0.0000656
EARTH	2110-04-30 04:39	11.6	0.1744327	0.1740442	0.0001295

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
250.34822931	118.23426588	0.00080239	MINIMUM
93.15276435	334.82677881	0.02805610	MINIMUM
171.25965464	46.36722084	0.10254106	SADDLE
351.11846412	225.61232615	0.15684962	SADDLE
352.89409045	47.61210436	1.84846618	SADDLE
174.40560940	229.13520520	2.09043369	MAXIMUM

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MOID Plots

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