Asteroids

2023BB1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.296

Aphelion (Q)

1.149

Eccentricity (e)

0.590

Inclination (i)

10.8

deg

Orbit period (P)

224.4

Earth MOID

0.02130

U parameter

7.7

Next Earth close approach

Date

2028-02-25

Nominal distance (from Earth center)

0.16895

25274236

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.4

mag

Diameter

60 - 130*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-22

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.722599

1-sigma variation

0.000144

Unit

Eccentricity (e)

Value

0.590264

1-sigma variation

0.001280

Unit

Inclination (i)

Value

10.8118

1-sigma variation

0.0480

Unit

Long. of Ascending Node (Ω)

Value

302.7160

1-sigma variation

0.0119

Unit

Arg. of Perihelion (ω)

Value

20.9871

1-sigma variation

0.0055

Unit

Mean Anomaly (M)

Value

328.15984

1-sigma variation

0.35523

Unit

Perihelion distance

Value

0.296075

1-sigma variation

Unit

Aphelion distance

Value

1.149123

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.713387

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.064294

1-sigma variation

Unit

MOID

Value

0.021297

1-sigma variation

Unit

Orbit Period

Value

224.3595

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.06212E-8	-1.83702E-7	-6.87985E-6	1.69941E-6	7.94474E-7	-5.10048E-5
e	-1.83702E-7	1.63822E-6	6.13928E-5	-1.51655E-5	-7.06617E-6	4.54140E-4
i	-6.87985E-6	6.13928E-5	2.30170E-3	-5.68588E-4	-2.64390E-4	1.70029E-2
Ω	1.69941E-6	-1.51655E-5	-5.68588E-4	1.40459E-4	6.53023E-5	-4.19982E-3
ω	7.94474E-7	-7.06617E-6	-2.64390E-4	6.53023E-5	3.06900E-5	-1.96658E-3
M	-5.10048E-5	4.54140E-4	1.70029E-2	-4.19982E-3	-1.96658E-3	1.26186E-1

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

23.383

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

60 - 130*

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

Unit

Source

[1]

Unobserved

Value

972

Unit

Source

[1]

Normalized RMS of residuals

Value

0.618813

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-01-22.319386

Unit

Source

[2]

Last Observation

Value

2023-01-27.971179

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (1)

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 2023BB1 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	1950-01-16 11:50	117.7	0.0382960	0.0232578	0.0179291
EARTH	1955-02-27 00:23	626.3	0.1617841	0.1602899	0.0005383
EARTH	1958-01-22 10:51	619.4	0.1000631	0.0921540	0.0026465
EARTH	1963-03-09 04:52	487.0	0.1379171	0.1365970	0.0030638
EARTH	1966-02-08 12:11	> 1 d	0.1716121	0.1613476	0.0040419
EARTH	1969-01-16 08:14	103.5	0.0491712	0.0234983	0.0356684
EARTH	1974-02-26 16:25	> 1 d	0.1621523	0.1446693	0.0134872
EARTH	1977-01-22 07:47	> 1 d	0.1004060	0.0320711	0.0363671
EARTH	1982-03-09 00:18	> 1 d	0.1375469	0.1358783	0.0088267
EARTH	1985-02-07 09:14	> 1 w	0.1705107	0.1455103	0.0110152
EARTH	1988-01-17 05:10	695.0	0.0648520	0.0237457	0.0605430
EARTH	1993-02-22 19:18	> 1 w	0.1702755	0.1555126	0.0116949
EARTH	1996-01-19 17:43	> 1 d	0.0641762	0.0249184	0.0423510
EARTH	2001-03-05 16:12	> 1 d	0.1416473	0.1359623	0.0100782
EARTH	2004-01-28 21:37	> 1 d	0.1388042	0.0896887	0.0173256
EARTH	2007-01-19 08:00	1259.7	0.1827898	0.0939704	0.0299028
EARTH	2009-03-09 06:30	384.5	0.1424609	0.1371634	0.0068839
EARTH	2012-02-07 19:19	> 1 d	0.1711254	0.1622296	0.0031771
EARTH	2015-01-17 06:21	302.9	0.0918002	0.0540978	0.0128829
EARTH	2017-03-08 21:45	220.5	0.1847753	0.1636241	0.0079379
EARTH	2020-02-16 20:56	1225.1	0.1782341	0.1754571	0.0009623
EARTH	2023-01-17 02:46	< 1 min	0.0230561	0.0228533	0.0000676
EARTH	2028-02-25 09:05	899.1	0.1689478	0.1678071	0.0004424
EARTH	2031-01-19 13:15	889.9	0.0635210	0.0365416	0.0095723
EARTH	2036-03-04 08:45	> 1 d	0.1475023	0.1417244	0.0032992
EARTH	2039-01-26 10:01	> 1 d	0.1259058	0.0889694	0.0126190
EARTH	2044-03-08 21:31	691.1	0.1382060	0.1366175	0.0032398
EARTH	2047-02-04 20:58	> 1 d	0.1650569	0.1400532	0.0087807
EARTH	2050-01-17 18:16	921.6	0.1172802	0.0280860	0.0323941
EARTH	2052-03-09 07:55	490.6	0.1701954	0.1374446	0.0177452
EARTH	2055-02-14 05:08	> 1 d	0.1787115	0.1747833	0.0020976
EARTH	2058-01-16 22:40	60.8	0.0394955	0.0209439	0.0289973
EARTH	2063-02-21 07:51	> 1 d	0.1762350	0.1720590	0.0024228
EARTH	2066-01-17 15:21	919.6	0.0268668	0.0204357	0.0158883
EARTH	2071-02-27 10:40	> 1 d	0.1654740	0.1560835	0.0042405
EARTH	2074-01-20 04:11	> 1 d	0.0725792	0.0273335	0.0170904
EARTH	2079-03-04 18:20	> 1 d	0.1506504	0.1441516	0.0032217
EARTH	2082-01-24 09:30	> 1 d	0.1131037	0.0838494	0.0098956
EARTH	2087-03-08 06:21	547.5	0.1398131	0.1392799	0.0004958
EARTH	2090-01-29 02:27	1076.0	0.1411405	0.1288530	0.0041137
EARTH	2095-03-09 23:36	17.0	0.1385208	0.1372626	0.0004205
EARTH	2098-02-02 10:46	218.3	0.1588376	0.1572359	0.0005353
EARTH	2101-01-19 19:19	118.8	0.1612479	0.1524139	0.0029456
EARTH	2103-03-11 14:36	71.4	0.1452870	0.1412842	0.0019277
EARTH	2106-02-06 22:46	> 1 d	0.1688264	0.1649970	0.0013224
EARTH	2109-01-19 02:20	352.0	0.1314440	0.0993430	0.0107466
EARTH	2111-03-11 18:27	41.9	0.1546399	0.1419402	0.0063152
EARTH	2114-02-09 07:16	> 1 d	0.1738299	0.1678151	0.0021635
EARTH	2117-01-18 18:23	506.1	0.1136468	0.0611078	0.0177964
EARTH	2119-03-11 18:54	186.2	0.1612215	0.1412873	0.0107644
EARTH	2122-02-10 09:24	> 1 d	0.1758055	0.1684630	0.0027621
EARTH	2125-01-18 17:05	641.5	0.1090920	0.0409189	0.0235500

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
128.93221635	14.08686311	0.02135082	MINIMUM
226.35370576	64.63858821	0.13684728	MINIMUM
185.51588823	43.33232195	0.17826734	SADDLE
358.35468422	219.98480047	0.71702520	SADDLE
357.93864640	39.08797068	1.28311489	SADDLE
178.86146957	220.01953451	2.16024710	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out