Asteroids

2023RE15 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.759

Aphelion (Q)

1.050

Eccentricity (e)

0.161

Inclination (i)

2.1

deg

Orbit period (P)

314.2

Earth MOID

0.01340

U parameter

6.8

Next Earth close approach

Date

2029-07-28

Nominal distance (from Earth center)

0.01683

2518247

Maximum Brightness

20.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

18 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-15

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.904421

1-sigma variation

0.000073

Unit

Eccentricity (e)

Value

0.160591

1-sigma variation

0.000154

Unit

Inclination (i)

Value

2.1451

1-sigma variation

0.0027

Unit

Long. of Ascending Node (Ω)

Value

147.0138

1-sigma variation

0.0131

Unit

Arg. of Perihelion (ω)

Value

12.6505

1-sigma variation

0.0037

Unit

Mean Anomaly (M)

Value

260.79617

1-sigma variation

0.14465

Unit

Perihelion distance

Value

0.759179

1-sigma variation

Unit

Aphelion distance

Value

1.049663

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.226044

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.032501

1-sigma variation

Unit

MOID

Value

0.013398

1-sigma variation

Unit

Orbit Period

Value

314.1625

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.31385E-9	-1.11820E-8	-1.89573E-7	-4.90093E-7	-2.64986E-7	-1.04811E-5
e	-1.11820E-8	2.36980E-8	3.88738E-7	8.85559E-7	5.64800E-7	2.22608E-5
i	-1.89573E-7	3.88738E-7	7.38768E-6	2.64031E-5	8.99149E-6	3.61392E-4
Ω	-4.90093E-7	8.85559E-7	2.64031E-5	1.72656E-4	1.78843E-5	7.87634E-4
ω	-2.64986E-7	5.64800E-7	8.99149E-6	1.78843E-5	1.37782E-5	5.31531E-4
M	-1.04811E-5	2.22608E-5	3.61392E-4	7.87634E-4	5.31531E-4	2.09249E-2

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

25.838

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

18 - 40*

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

988

Unit

Source

[1]

Normalized RMS of residuals

Value

0.692958

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-15.01433

Unit

Source

[2]

Last Observation

Value

2023-09-18.452447

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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 2023RE15 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	1951-09-18 06:31	> 1 w	0.0370744	0.0347561	0.0032659
EARTH	1957-05-28 08:23	> 1 w	0.1611533	0.1527277	0.0028130
EARTH	1957-10-10 22:45	> 1 d	0.0277830	0.0274906	0.0006483
EARTH	1963-10-17 09:32	199.4	0.1342722	0.1111410	0.0077529
EARTH	1980-07-25 20:38	26.3	0.1476492	0.1463560	0.0004311
EARTH	1986-07-26 16:03	115.5	0.0440169	0.0386029	0.0018317
EARTH	1987-01-01 16:41	> 1 d	0.1807078	0.1789054	0.0006032
EARTH	1992-07-27 01:39	28.3	0.0306110	0.0301059	0.0001720
EARTH	1992-12-30 13:29	187.3	0.1744906	0.1741782	0.0001042
EARTH	1998-07-26 06:38	18.8	0.1540891	0.1487097	0.0017932
EARTH	2017-05-13 10:12	> 1 d	0.1798279	0.1744233	0.0018052
EARTH	2017-10-19 05:13	516.9	0.0437665	0.0353815	0.0032797
EARTH	2023-09-18 21:17	12.3	0.0410729	0.0409516	0.0000404
EARTH	2029-07-28 08:03	990.0	0.0168334	0.0135085	0.0025427
EARTH	2029-12-30 01:57	> 1 d	0.1699151	0.1638358	0.0020648
EARTH	2042-09-13 02:37	> 1 w	0.0459780	0.0459163	0.0003393
EARTH	2055-05-04 21:39	> 1 w	0.1895894	0.1779967	0.0038728
EARTH	2055-10-22 03:16	239.3	0.0617651	0.0357506	0.0104294
EARTH	2061-07-24 11:19	41.3	0.0617656	0.0504949	0.0037873
EARTH	2062-01-14 17:06	> 1 d	0.1905039	0.1859422	0.0015334
EARTH	2074-08-05 11:22	> 1 w	0.0223110	0.0138788	0.0139641
EARTH	2074-12-17 12:51	> 1 w	0.1547451	0.1209078	0.0115642
EARTH	2087-10-18 14:09	> 1 d	0.1957448	0.0857918	0.0370719
EARTH	2093-05-21 14:39	> 1 mo	0.1688553	0.0407931	0.0440521
EARTH	2093-10-15 22:13	> 1 w	0.0358127	0.0342378	0.0264648
EARTH	2099-09-10 18:56	> 1 mo	0.0414709	0.0412812	0.0141563
EARTH	2105-08-16 01:38	> 1 mo	0.0288196	0.0152211	0.2211291
EARTH	2111-08-26 20:28	> 1 mo	0.0362258	0.0262970	0.1270959
EARTH	2117-09-20 19:20	> 1 mo	0.0391247	0.0374094	0.1149443
EARTH	2123-06-13 23:59	> 1 mo	0.1456043	0.0199722	0.6090327
EARTH	2123-10-01 18:43	> 1 mo	0.0355777	0.0341556	0.1361873

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
143.02694065	207.03441250	0.01310965	MINIMUM
226.66819730	279.56981355	0.03046204	MINIMUM
189.51720444	247.28465680	0.04227712	SADDLE
8.06878566	66.59774420	0.23373939	SADDLE
7.48683224	245.90437005	1.76799160	SADDLE
185.09890163	63.48464423	2.04185498	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out