Asteroids

2023SP1 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.918

Aphelion (Q)

4.021

Eccentricity (e)

0.628

Inclination (i)

1.9

deg

Orbit period (P)

1417.2

Earth MOID

0.01809

U parameter

2.7

Next Earth close approach

Date

2058-11-14

Nominal distance (from Earth center)

0.09454

14142517

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.7

mag

Diameter

190 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-17

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.469144

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.628410

1-sigma variation

3.115E-7

Unit

Inclination (i)

Value

1.8943

1-sigma variation

2.158E-6

Unit

Long. of Ascending Node (Ω)

Value

96.4991

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

1.1176

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

122.25805

1-sigma variation

0.00015

Unit

Perihelion distance

Value

0.917509

1-sigma variation

Unit

Aphelion distance

Value

4.020780

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.066127

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

3.002929

1-sigma variation

Unit

MOID

Value

0.018092

1-sigma variation

Unit

Orbit Period

Value

1417.1575

1-sigma variation

Unit

U parameter

Value

2.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.93508E-12	6.17697E-13	1.71796E-12	4.94973E-11	-5.33616E-11	-2.93235E-10
e	6.17697E-13	9.70081E-14	2.70421E-13	7.74786E-12	-8.37760E-12	-4.60262E-11
i	1.71796E-12	2.70421E-13	4.65482E-12	1.23750E-10	-1.25190E-10	-1.28132E-10
Ω	4.94973E-11	7.74786E-12	1.23750E-10	3.77002E-9	-3.81283E-9	-3.69148E-9
ω	-5.33616E-11	-8.37760E-12	-1.25190E-10	-3.81283E-9	3.87201E-9	3.97752E-9
M	-2.93235E-10	-4.60262E-11	-1.28132E-10	-3.69148E-9	3.97752E-9	2.18517E-8

Date of computation: 2025-07-29 02:36 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

20.744

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

190 - 400*

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

235

Unit

Source

[1]

Unobserved

Value

520

Unit

Source

[1]

Normalized RMS of residuals

Value

0.505759

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-08-20.551952

Unit

Source

[2]

Last Observation

Value

2024-04-11.262328

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

539 (6)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2024-02-04

Unit

Source

[3]

Last Observation

Value

2024-02-08

Unit

Source

[3]

Delay (Discarded)

Value

3 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

3 (0)

Unit

Source

[1]

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
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2023SP1 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	1954-02-07 13:45	< 1 min	0.1259687	0.1259377	0.0000103
EARTH	1957-11-23 20:15	8.6	0.0774054	0.0772844	0.0000403
EARTH	1996-11-08 19:31	22.3	0.1427397	0.1421527	0.0001957
EARTH	2024-02-07 00:05	< 1 s	0.0366528	0.0366528	0.0000000
EARTH	2058-11-14 16:44	28.1	0.0945369	0.0939607	0.0001921
MARS	2063-02-21 06:39	11.2	0.0301877	0.0299890	0.0000666
EARTH	2102-01-03 20:31	165.5	0.0209887	0.0208617	0.0000427

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
343.05935507	321.35617221	0.01809155	MINIMUM
16.73790339	29.14092983	0.01905734	MINIMUM
359.92009537	355.29692487	0.06619012	SADDLE
359.89446017	175.24692088	1.93376151	SADDLE
179.97685115	175.35159746	3.00452612	SADDLE
179.97671322	355.35214793	5.00447479	MAXIMUM

Download:

MOID Plots

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