Asteroids

2023PX help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.456

Aphelion (Q)

1.064

Eccentricity (e)

0.400

Inclination (i)

5.0

deg

Orbit period (P)

242.0

Earth MOID

0.00595

U parameter

8.9

Next Earth close approach

Date

2027-08-27

Nominal distance (from Earth center)

0.06279

9392847

Maximum Brightness

24.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-08-11

Observatory

Moonbase South Observatory, Hakos

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

0.759926

1-sigma variation

0.001145

Unit

Eccentricity (e)

Value

0.400293

1-sigma variation

0.001185

Unit

Inclination (i)

Value

4.9583

1-sigma variation

0.0364

Unit

Long. of Ascending Node (Ω)

Value

325.4594

1-sigma variation

0.0046

Unit

Arg. of Perihelion (ω)

Value

161.5711

1-sigma variation

0.2098

Unit

Mean Anomaly (M)

Value

0.99996

1-sigma variation

0.32690

Unit

Perihelion distance

Value

0.455733

1-sigma variation

Unit

Aphelion distance

Value

1.064119

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.015717

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.525767

1-sigma variation

Unit

MOID

Value

0.005953

1-sigma variation

Unit

Orbit Period

Value

241.9666

1-sigma variation

Unit

U parameter

Value

8.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.31111E-6	-1.35678E-6	-4.16866E-5	-5.27771E-6	-2.40261E-4	-3.74314E-4
e	-1.35678E-6	1.40404E-6	4.31388E-5	5.46144E-6	2.48629E-4	3.87353E-4
i	-4.16866E-5	4.31388E-5	1.32543E-3	1.67798E-4	7.63904E-3	1.19014E-2
Ω	-5.27771E-6	5.46144E-6	1.67798E-4	2.12480E-5	9.67154E-4	1.50672E-3
ω	-2.40261E-4	2.48629E-4	7.63904E-3	9.67154E-4	4.40280E-2	6.85928E-2
M	-3.74314E-4	3.87353E-4	1.19014E-2	1.50672E-3	6.85928E-2	1.06865E-1

Date of computation: 2025-11-24 16:53 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

25.566

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

20 - 50*

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

934

Unit

Source

[1]

Normalized RMS of residuals

Value

0.620643

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-08-11.99337

Unit

Source

[2]

Last Observation

Value

2023-08-17.80023

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

47 (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 2023PX 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	1958-07-04 23:49	> 1 d	0.1453749	0.0678439	0.1284258
EARTH	1960-07-05 00:11	> 1 d	0.0964388	0.0653672	0.0726484
EARTH	1962-07-08 15:28	> 1 d	0.0664732	0.0622797	0.0178037
EARTH	1964-07-14 19:25	> 1 d	0.0596661	0.0583396	0.0027726
EARTH	1966-07-25 01:09	> 1 d	0.0609290	0.0580239	0.0025056
EARTH	1968-08-04 08:33	> 1 w	0.0550185	0.0359917	0.0161718
EARTH	1970-08-14 10:33	> 1 w	0.0378697	0.0112423	0.0503465
EARTH	1972-08-20 09:33	> 1 w	0.0136813	0.0053267	0.0813427
EARTH	1974-08-23 03:21	> 1 d	0.0055429	0.0049786	0.0067174
EARTH	1976-08-26 02:10	1158.0	0.0514934	0.0068260	0.0244428
EARTH	1978-08-27 05:29	297.7	0.1139731	0.0273625	0.0292114
EARTH	1980-08-25 12:50	1025.1	0.1840044	0.0891771	0.0316800
EARTH	2013-07-04 15:26	83.8	0.1364040	0.0937122	0.0151732
EARTH	2015-07-06 04:45	765.5	0.0826509	0.0622728	0.0088278
EARTH	2017-07-10 19:19	> 1 d	0.0575591	0.0566231	0.0013151
EARTH	2019-07-21 17:45	> 1 d	0.0584512	0.0582541	0.0002383
EARTH	2021-08-03 12:42	1160.0	0.0548353	0.0525655	0.0007745
EARTH	2023-08-15 23:29	< 1 min	0.0332850	0.0331749	0.0000367
EARTH	2025-08-22 17:16	502.6	0.0064011	0.0062043	0.0006645
EARTH	2027-08-27 04:48	940.7	0.0627873	0.0082185	0.0261805
EARTH	2029-08-26 18:03	905.9	0.1383752	0.0109415	0.0493750
EARTH	2060-07-04 22:53	> 1 d	0.1763037	0.0599458	0.3386449
EARTH	2062-07-05 00:57	> 1 d	0.1066804	0.0576061	0.2970259
EARTH	2064-07-07 19:51	> 1 mo	0.0602806	0.0545257	0.1294009
EARTH	2066-07-18 02:11	> 1 mo	0.0550132	0.0542681	0.0327436
EARTH	2068-08-01 09:30	> 1 mo	0.0551277	0.0474322	0.0588594
EARTH	2070-08-16 04:49	> 1 mo	0.0315219	0.0107486	0.2151449
EARTH	2072-08-23 18:41	> 1 w	0.0149610	0.0077266	0.2342667
EARTH	2074-08-27 10:45	1099.2	0.0926745	0.0235634	0.0230570
EARTH	2076-08-25 17:19	> 1 d	0.1845683	0.0174387	0.2896642
EARTH	2101-07-06 22:12	> 1 mo	0.1942784	0.0576649	4.1527763
EARTH	2103-07-06 12:01	> 1 mo	0.1112735	0.0556533	3.8064994
EARTH	2105-07-09 20:30	> 1 mo	0.0570481	0.0526057	1.4949531
EARTH	2107-07-23 06:31	> 1 mo	0.0552054	0.0545659	0.3481302
EARTH	2109-08-09 20:43	> 1 mo	0.0468142	0.0245562	1.9632276
EARTH	2111-08-23 20:16	> 1 mo	0.0087975	0.0087053	0.6798412
EARTH	2113-08-27 21:26	> 1 mo	0.0674789	0.0113451	25.2565809
EARTH	2115-08-28 04:31	> 1 mo	0.1519758	0.0146261	45.4386770

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
213.21414853	228.53680465	0.00595292	MINIMUM
155.11706045	189.55504718	0.05387332	MINIMUM
172.78607921	201.42229257	0.05702723	SADDLE
1.78466849	27.51421199	0.52989113	SADDLE
2.20539495	208.10403082	1.47189655	SADDLE
181.08511517	26.90965394	2.04924756	MAXIMUM

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MOID Plots

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