Asteroids

2025BL help

Last update: 2026-01-28 19:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.890

Aphelion (Q)

1.111

Eccentricity (e)

0.111

Inclination (i)

11.8

deg

Orbit period (P)

365.4

Earth MOID

0.00624

U parameter

0.0

Next Earth close approach

Date

2027-01-16

Nominal distance (from Earth center)

0.04066

6083206

Maximum Brightness

21.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-01-18

Observatory

Kitt Peak-Bok

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

1.000324

1-sigma variation

3.572E-9

Unit

Eccentricity (e)

Value

0.110583

1-sigma variation

0.000001

Unit

Inclination (i)

Value

11.8335

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

116.5251

1-sigma variation

7.372E-6

Unit

Arg. of Perihelion (ω)

Value

275.8063

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

16.18275

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.889705

1-sigma variation

Unit

Aphelion distance

Value

1.110943

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.006992

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.018240

1-sigma variation

Unit

MOID

Value

0.006236

1-sigma variation

Unit

Orbit Period

Value

365.4346

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.27612E-17	2.04405E-15	2.23119E-13	6.41413E-15	-2.55622E-13	2.39237E-14
e	2.04405E-15	8.77252E-13	8.88034E-11	1.97063E-12	-1.10694E-10	1.26720E-11
i	2.23119E-13	8.88034E-11	9.60356E-9	3.05596E-10	-1.12953E-8	1.28816E-9
Ω	6.41413E-15	1.97063E-12	3.05596E-10	5.43413E-11	-3.00049E-10	2.75800E-11
ω	-2.55622E-13	-1.10694E-10	-1.12953E-8	-3.00049E-10	1.40388E-8	-1.61535E-9
M	2.39237E-14	1.26720E-11	1.28816E-9	2.75800E-11	-1.61535E-9	2.02268E-10

Date of computation: 2026-01-28 19:30 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

25.344

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

23 - 50*

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

368

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.771729

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-01-18.49539

Unit

Source

[2]

Last Observation

Value

2026-01-21.508482

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

52 (4)

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 100 points and a final date not exceeding 2080/07/22 14:12.

Close Approaches for 2025BL 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	2001-02-01 10:22	4.6	0.1609376	0.1607439	0.0000646
EARTH	2002-01-29 05:54	5.1	0.1072240	0.1070539	0.0000567
EARTH	2003-01-26 00:23	5.1	0.0602808	0.0601501	0.0000436
EARTH	2004-01-23 02:55	4.3	0.0307909	0.0307504	0.0000136
EARTH	2005-01-19 13:27	4.3	0.0356317	0.0355743	0.0000191
EARTH	2006-01-16 01:36	4.9	0.0660245	0.0659341	0.0000302
EARTH	2007-01-11 05:15	5.1	0.1058282	0.1057339	0.0000314
EARTH	2008-01-03 23:23	5.3	0.1484236	0.1483341	0.0000298
EARTH	2008-12-20 10:05	6.6	0.1905476	0.1904701	0.0000258
EARTH	2010-07-22 07:30	< 1 min	0.1563478	0.1562878	0.0000200
EARTH	2011-07-22 22:50	< 1 min	0.1123320	0.1122819	0.0000167
EARTH	2012-07-21 10:32	< 1 min	0.0706344	0.0705963	0.0000127
EARTH	2013-07-20 15:38	< 1 min	0.0335744	0.0335520	0.0000075
EARTH	2014-07-19 21:54	< 1 min	0.0087714	0.0087698	0.0000006
EARTH	2015-07-20 18:04	< 1 min	0.0256345	0.0256201	0.0000048
EARTH	2016-07-21 07:15	< 1 min	0.0590067	0.0589892	0.0000058
EARTH	2017-07-22 20:59	< 1 min	0.0986593	0.0986411	0.0000061
EARTH	2018-07-24 17:28	< 1 min	0.1410792	0.1410612	0.0000060
EARTH	2019-07-25 19:17	< 1 min	0.1845082	0.1844909	0.0000058
EARTH	2021-01-10 06:01	< 1 min	0.1697257	0.1697208	0.0000016
EARTH	2022-01-12 12:24	< 1 min	0.1249883	0.1249846	0.0000013
EARTH	2023-01-14 16:17	< 1 min	0.0825204	0.0825180	0.0000008
EARTH	2024-01-16 13:37	< 1 min	0.0437762	0.0437752	0.0000003
EARTH	2025-01-16 23:56	< 1 s	0.0145757	0.0145752	0.0000002
EARTH	2026-01-17 06:45	< 1 s	0.0124014	0.0124010	0.0000001
EARTH	2027-01-16 08:56	< 1 min	0.0406637	0.0406622	0.0000005
EARTH	2028-01-15 07:35	< 1 min	0.0790657	0.0790625	0.0000011
EARTH	2029-01-13 17:39	< 1 s	0.1214235	0.1214187	0.0000016
EARTH	2030-01-13 23:23	< 1 min	0.1657458	0.1657398	0.0000020
EARTH	2031-08-12 04:29	< 1 min	0.1843673	0.1843502	0.0000057
EARTH	2032-07-31 08:40	< 1 min	0.1435499	0.1435315	0.0000061
EARTH	2033-07-25 03:06	< 1 min	0.1033162	0.1032975	0.0000062
EARTH	2034-07-20 22:04	< 1 min	0.0659980	0.0659803	0.0000059
EARTH	2035-07-17 18:54	< 1 min	0.0361308	0.0361185	0.0000041
EARTH	2036-07-14 11:38	< 1 min	0.0270982	0.0270956	0.0000009
EARTH	2037-07-12 00:12	< 1 min	0.0493603	0.0493402	0.0000067
EARTH	2038-07-09 03:14	< 1 min	0.0909365	0.0909078	0.0000096
EARTH	2039-07-06 02:58	< 1 min	0.1406289	0.1405951	0.0000113
EARTH	2040-07-02 05:38	< 1 min	0.1944370	0.1943994	0.0000125

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
78.69085676	15.72199632	0.00623638	MINIMUM
268.45456584	193.41894281	0.01620695	MINIMUM
353.25347895	284.55134732	0.22117865	SADDLE
173.85951898	104.65229065	0.24179933	SADDLE
350.82118382	101.79801770	1.88521136	SADDLE
171.70714867	282.68193143	2.09539228	MAXIMUM

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MOID Plots

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