Asteroids

2023BA1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.789

Aphelion (Q)

1.619

Eccentricity (e)

0.345

Inclination (i)

14.0

deg

Orbit period (P)

482.6

Earth MOID

0.00077

U parameter

7.4

Next Earth close approach

Date

2044-07-14

Nominal distance (from Earth center)

0.09774

14621282

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

11 - 24*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-22

Observatory

Palomar Mountain--ZTF

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

1.204151

1-sigma variation

0.000330

Unit

Eccentricity (e)

Value

0.344643

1-sigma variation

0.000239

Unit

Inclination (i)

Value

13.9578

1-sigma variation

0.0082

Unit

Long. of Ascending Node (Ω)

Value

302.6843

1-sigma variation

4.523E-5

Unit

Arg. of Perihelion (ω)

Value

257.2320

1-sigma variation

0.0065

Unit

Mean Anomaly (M)

Value

8.86660

1-sigma variation

0.28817

Unit

Perihelion distance

Value

0.789149

1-sigma variation

Unit

Aphelion distance

Value

1.619154

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.131752

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001271

1-sigma variation

Unit

MOID

Value

0.000767

1-sigma variation

Unit

Orbit Period

Value

482.6363

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.09021E-7	7.89455E-8	2.70603E-6	-1.48449E-8	-2.13283E-6	-9.51477E-5
e	7.89455E-8	5.71888E-8	1.96059E-6	-1.07687E-8	-1.54046E-6	-6.89000E-5
i	2.70603E-6	1.96059E-6	6.72232E-5	-3.69454E-7	-5.27442E-5	-2.36171E-3
Ω	-1.48449E-8	-1.07687E-8	-3.69454E-7	2.04616E-9	2.86955E-7	1.29565E-5
ω	-2.13283E-6	-1.54046E-6	-5.27442E-5	2.86955E-7	4.24486E-5	1.86127E-3
M	-9.51477E-5	-6.89000E-5	-2.36171E-3	1.29565E-5	1.86127E-3	8.30396E-2

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

26.968

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

11 - 24*

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

1013

Unit

Source

[1]

Normalized RMS of residuals

Value

0.804152

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-01-21.344281

Unit

Source

[2]

Last Observation

Value

2023-01-22.981507

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2023BA1 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	1961-07-06 17:07	1157.2	0.1204031	0.0845992	0.0357124
EARTH	1965-07-13 19:05	> 1 d	0.1555841	0.0814349	0.0533567
EARTH	1984-01-17 13:07	> 1 d	0.1132787	0.0029088	0.1122347
EARTH	1988-01-30 22:58	> 1 w	0.1057507	0.0058320	0.1041956
EARTH	2000-07-08 23:07	> 1 d	0.0826813	0.0826678	0.0000713
EARTH	2023-01-23 08:01	< 1 s	0.0029306	0.0029253	0.0000018
EARTH	2044-07-14 01:39	> 1 d	0.0977372	0.0696344	0.0366654
EARTH	2048-07-08 03:35	403.0	0.1578977	0.0693406	0.0534431
EARTH	2060-01-24 09:09	> 1 d	0.0081264	0.0020174	0.0711080
EARTH	2064-01-20 18:17	> 1 mo	0.0587801	0.0011314	1.2321293
EARTH	2068-01-16 05:11	> 1 mo	0.1508906	0.0020593	1.9913089
EARTH	2105-07-18 11:37	> 1 mo	0.1712222	0.0689998	5.1718472
EARTH	2109-07-14 21:03	> 1 mo	0.0954673	0.0706655	3.7063051
EARTH	2113-07-11 23:52	> 1 mo	0.0729292	0.0708736	1.2354680
EARTH	2117-07-09 16:20	> 1 mo	0.1193244	0.0702138	5.0035520
EARTH	2121-07-09 05:29	> 1 mo	0.1926860	0.0713936	6.5711421

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
301.85600681	20.27718083	0.00070411	MINIMUM
68.85721615	187.13960434	0.07095332	MINIMUM
6.83611364	106.19521479	0.30339566	SADDLE
183.87875188	280.67058332	0.69177163	SADDLE
3.91158097	281.87461093	1.77348440	SADDLE
180.84659709	98.50016427	2.60393690	MAXIMUM

Download:

MOID Plots

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