Asteroids

2023BH1 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.908

Aphelion (Q)

2.615

Eccentricity (e)

0.485

Inclination (i)

2.7

deg

Orbit period (P)

853.7

Earth MOID

0.00162

U parameter

8.3

Next Earth close approach

Date

2030-02-06

Nominal distance (from Earth center)

0.04835

7232345

Maximum Brightness

26.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-22

Observatory

Catalina Sky 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.761205

1-sigma variation

0.003312

Unit

Eccentricity (e)

Value

0.484563

1-sigma variation

0.001041

Unit

Inclination (i)

Value

2.7178

1-sigma variation

0.0045

Unit

Long. of Ascending Node (Ω)

Value

123.9053

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

42.4582

1-sigma variation

0.0048

Unit

Mean Anomaly (M)

Value

145.84375

1-sigma variation

1.41978

Unit

Perihelion distance

Value

0.907790

1-sigma variation

Unit

Aphelion distance

Value

2.614619

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.008447

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.081179

1-sigma variation

Unit

MOID

Value

0.001619

1-sigma variation

Unit

Orbit Period

Value

853.7155

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.09696E-5	3.44895E-6	1.50125E-5	2.57499E-6	1.57774E-5	-4.70236E-3
e	3.44895E-6	1.08438E-6	4.72010E-6	8.09593E-7	4.96216E-6	-1.47847E-3
i	1.50125E-5	4.72010E-6	2.05481E-5	3.52327E-6	2.16134E-5	-6.43541E-3
Ω	2.57499E-6	8.09593E-7	3.52327E-6	6.04812E-7	3.70007E-6	-1.10382E-3
ω	1.57774E-5	4.96216E-6	2.16134E-5	3.70007E-6	2.33854E-5	-6.76348E-3
M	-4.70236E-3	-1.47847E-3	-6.43541E-3	-1.10382E-3	-6.76348E-3	2.01577E0

Date of computation: 2026-03-17 23:26 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

27.077

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

10 - 23*

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

1172

Unit

Source

[1]

Normalized RMS of residuals

Value

0.531721

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-01-22.284721

Unit

Source

[2]

Last Observation

Value

2023-01-24.07278

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

19 (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

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 2023BH1 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	1971-04-03 16:14	> 1 mo	0.0702928	0.0512529	0.1366599
EARTH	1997-02-10 10:59	> 1 mo	0.0576609	0.0037723	0.2611925
EARTH	2023-01-24 23:01	< 1 min	0.0092150	0.0091621	0.0000176
EARTH	2030-02-06 13:43	> 1 w	0.0483452	0.0010290	0.0852861
EARTH	2037-03-11 22:41	> 1 mo	0.0915848	0.0913024	0.0013538
EARTH	2044-04-11 20:49	> 1 w	0.0613558	0.0485927	0.0306332
EARTH	2051-04-28 02:04	> 1 d	0.0595488	0.0474069	0.0238681
EARTH	2058-05-10 13:56	> 1 d	0.1801122	0.1389048	0.0138838
EARTH	2119-01-11 07:39	> 1 w	0.1734648	0.0014836	0.2219740
EARTH	2126-01-23 18:04	> 1 w	0.0273610	0.0022591	0.1800153

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
335.40037847	24.03863749	0.00157564	MINIMUM
27.59030599	109.35740750	0.04765598	MINIMUM
3.21471709	69.45740122	0.09185777	SADDLE
180.70108925	245.78217486	1.60739114	SADDLE
1.89177495	247.21603334	1.91538753	SADDLE
180.58787231	65.71033791	3.60762761	MAXIMUM

Download:

MOID Plots

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