Asteroids

2023FA help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.626

Aphelion (Q)

1.118

Eccentricity (e)

0.282

Inclination (i)

7.8

deg

Orbit period (P)

297.7

Earth MOID

0.00710

U parameter

6.0

Next Earth close approach

Date

2026-12-20

Nominal distance (from Earth center)

0.14222

21275590

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-03-16

Observatory

Pan-STARRS 1, 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

0.872454

1-sigma variation

0.000020

Unit

Eccentricity (e)

Value

0.281978

1-sigma variation

0.000106

Unit

Inclination (i)

Value

7.8443

1-sigma variation

0.0038

Unit

Long. of Ascending Node (Ω)

Value

359.9349

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

317.2119

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

349.18425

1-sigma variation

0.05304

Unit

Perihelion distance

Value

0.626441

1-sigma variation

Unit

Aphelion distance

Value

1.118467

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.338595

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.015497

1-sigma variation

Unit

MOID

Value

0.007101

1-sigma variation

Unit

Orbit Period

Value

297.6544

1-sigma variation

Unit

U parameter

Value

6.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.98692E-10	-2.12129E-9	-7.57801E-8	-4.04262E-9	1.67060E-8	-1.05910E-6
e	-2.12129E-9	1.12884E-8	4.03250E-7	2.15147E-8	-8.90008E-8	5.63545E-6
i	-7.57801E-8	4.03250E-7	1.44067E-5	7.68432E-7	-3.17770E-6	2.01315E-4
Ω	-4.04262E-9	2.15147E-8	7.68432E-7	4.10283E-8	-1.69828E-7	1.07401E-5
ω	1.67060E-8	-8.90008E-8	-3.17770E-6	-1.69828E-7	7.08144E-7	-4.44017E-5
M	-1.05910E-6	5.63545E-6	2.01315E-4	1.07401E-5	-4.44017E-5	2.81352E-3

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

26.542

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

13 - 29*

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

959

Unit

Source

[1]

Normalized RMS of residuals

Value

0.61099

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-03-16.522101

Unit

Source

[2]

Last Observation

Value

2023-03-22.595957

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2023FA 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	1953-03-23 04:59	> 1 w	0.0130515	0.0065319	0.6130056
EARTH	1956-12-22 12:00	> 1 mo	0.1505154	0.1397056	0.2336132
EARTH	1966-03-09 13:12	> 1 mo	0.1106791	0.0325674	0.4451790
EARTH	1969-12-17 02:45	> 1 w	0.1495013	0.1391024	0.2142972
EARTH	1975-03-23 01:27	> 1 w	0.1454073	0.0097764	0.4254235
EARTH	1979-02-05 11:34	> 1 mo	0.1693939	0.1597792	0.0372763
EARTH	1988-03-23 05:30	218.5	0.0069709	0.0069588	0.0003134
EARTH	1991-12-30 19:04	> 1 d	0.1555393	0.1513641	0.0015045
EARTH	2001-03-11 07:34	1111.0	0.1033552	0.0952587	0.0027078
EARTH	2004-12-16 21:21	70.9	0.1477356	0.1443589	0.0012011
EARTH	2010-03-23 04:19	72.1	0.1257214	0.1182672	0.0024853
EARTH	2014-02-02 13:31	733.5	0.1693042	0.1685897	0.0002414
EARTH	2023-03-23 22:58	< 1 min	0.0078603	0.0078506	0.0000032
EARTH	2026-12-20 09:49	153.0	0.1422185	0.1410401	0.0004021
EARTH	2032-03-20 21:06	77.2	0.1932359	0.1873638	0.0019574
EARTH	2036-02-09 05:19	1357.4	0.1658693	0.1644976	0.0004665
EARTH	2045-03-20 07:04	661.0	0.0526506	0.0399835	0.0042509
EARTH	2048-12-16 02:14	40.4	0.1350110	0.1339988	0.0005410
EARTH	2054-03-23 05:54	86.3	0.1210030	0.1126696	0.0027786
EARTH	2058-01-22 13:49	801.9	0.1699384	0.1692283	0.0002421
EARTH	2067-02-28 10:57	518.0	0.1360923	0.1338226	0.0007579
EARTH	2076-03-22 07:24	322.4	0.0253444	0.0142368	0.0039442
EARTH	2079-12-16 11:39	51.1	0.1360683	0.1355179	0.0001839
EARTH	2085-03-23 21:27	54.9	0.0640408	0.0493869	0.0049015
EARTH	2088-12-28 21:30	> 1 d	0.1531676	0.1458615	0.0027144
EARTH	2094-03-21 04:37	395.6	0.1992640	0.1672083	0.0106890
EARTH	2098-02-04 18:19	> 1 d	0.1681924	0.1642815	0.0014849
EARTH	2107-03-02 02:38	> 1 d	0.1345420	0.1133641	0.0072376
EARTH	2116-03-16 09:39	> 1 d	0.0842350	0.0437808	0.0138592
EARTH	2119-12-19 07:49	669.0	0.1703611	0.1426569	0.0115612
EARTH	2125-03-23 21:36	1087.0	0.0182414	0.0095425	0.0147181

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
238.65480528	79.57827871	0.00750768	MINIMUM
113.19565143	342.61597239	0.13397341	MINIMUM
165.72807277	24.12147091	0.17043418	SADDLE
352.91053895	206.38385956	0.39579868	SADDLE
356.29764903	30.99456146	1.61091322	SADDLE
179.24989750	214.13920476	2.12948961	MAXIMUM

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MOID Plots

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