Asteroids

2026RG2 help

Last update: 2026-09-14 13:16 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.790

Aphelion (Q)

1.111

Eccentricity (e)

0.169

Inclination (i)

6.4

deg

Orbit period (P)

338.5

Earth MOID

0.00352

U parameter

4.6

Next Earth close approach

Date

2040-04-14

Nominal distance (from Earth center)

0.08391

12553450

Maximum Brightness

26.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-05

Observatory

Pan-STARRS 2, 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.950576

1-sigma variation

0.000003

Unit

Eccentricity (e)

Value

0.168600

1-sigma variation

0.000023

Unit

Inclination (i)

Value

6.4489

1-sigma variation

0.0011

Unit

Long. of Ascending Node (Ω)

Value

168.9557

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

301.5362

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

154.76921

1-sigma variation

0.00249

Unit

Perihelion distance

Value

0.790309

1-sigma variation

Unit

Aphelion distance

Value

1.110843

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.144050

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005729

1-sigma variation

Unit

MOID

Value

0.003523

1-sigma variation

Unit

Orbit Period

Value

338.5156

1-sigma variation

Unit

U parameter

Value

4.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.46585E-12	-7.00393E-11	-3.29487E-9	1.75732E-10	1.09916E-9	-7.62723E-9
e	-7.00393E-11	5.19897E-10	2.44571E-8	-1.30442E-9	-8.24884E-9	5.67563E-8
i	-3.29487E-9	2.44571E-8	1.15057E-6	-6.13699E-8	-3.87982E-7	2.66986E-6
Ω	1.75732E-10	-1.30442E-9	-6.13699E-8	3.27676E-9	2.06903E-8	-1.42398E-7
ω	1.09916E-9	-8.24884E-9	-3.87982E-7	2.06903E-8	1.35738E-7	-9.08059E-7
M	-7.62723E-9	5.67563E-8	2.66986E-6	-1.42398E-7	-9.08059E-7	6.20772E-6

Date of computation: 2026-09-14 13:16 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

26.909

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

11 - 25*

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.471672

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-05.354531

Unit

Source

[2]

Last Observation

Value

2026-09-13.164532

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

155 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2026RG2 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	1961-04-22 03:42	157.7	0.0866087	0.0866035	0.0000063
EARTH	1962-09-13 05:53	20.5	0.0732320	0.0714551	0.0005923
EARTH	1974-04-22 19:44	20.7	0.0876870	0.0876815	0.0000018
EARTH	1975-09-13 18:28	< 1 min	0.0751689	0.0748335	0.0001118
EARTH	1987-04-22 09:18	101.3	0.0883642	0.0882962	0.0000263
EARTH	1988-09-12 21:16	17.1	0.0836533	0.0818213	0.0006107
EARTH	2000-04-10 15:38	247.7	0.1014824	0.1008799	0.0002042
EARTH	2001-09-11 06:55	22.9	0.1402498	0.1384114	0.0006128
EARTH	2013-03-10 11:33	325.3	0.1502526	0.1498307	0.0001413
EARTH	2013-07-21 13:27	333.9	0.1378632	0.1374664	0.0001325
EARTH	2013-11-17 20:00	574.2	0.1845180	0.1839228	0.0001984
EARTH	2025-05-05 02:08	5.3	0.1340701	0.1340096	0.0000202
EARTH	2026-09-13 10:29	< 1 s	0.0054262	0.0054236	0.0000009
EARTH	2040-04-14 23:52	218.1	0.0839146	0.0833660	0.0001925
EARTH	2041-09-13 08:52	2.8	0.0215281	0.0192365	0.0007659
EARTH	2054-04-16 17:31	> 1 d	0.0876889	0.0844184	0.0029906
EARTH	2055-09-13 13:16	337.3	0.0587030	0.0206081	0.0128111
EARTH	2068-03-13 04:25	239.5	0.1416036	0.1405075	0.0003654
EARTH	2068-07-05 18:42	938.7	0.1445683	0.1441095	0.0001541
EARTH	2068-11-30 12:18	1155.7	0.1958371	0.1953100	0.0001757
EARTH	2069-09-08 22:50	40.2	0.1882496	0.1825053	0.0019148
EARTH	2081-05-02 14:32	1071.0	0.1300424	0.1023954	0.0106602
EARTH	2082-01-30 02:24	> 1 w	0.1970263	0.1889766	0.0030372
EARTH	2082-09-08 14:55	> 1 d	0.0541435	0.0138487	0.0142566
EARTH	2095-04-30 18:20	529.8	0.1154941	0.1033074	0.0044297
EARTH	2096-01-27 19:25	> 1 d	0.1980361	0.1935251	0.0015933
EARTH	2096-09-08 16:41	> 1 d	0.0514743	0.0273099	0.0081587
EARTH	2110-02-27 05:56	> 1 d	0.1621585	0.1532735	0.0032538
EARTH	2110-07-27 00:59	> 1 d	0.1360832	0.1281848	0.0027461
EARTH	2110-11-16 20:21	> 1 w	0.1793777	0.1678322	0.0038626
EARTH	2124-04-13 00:08	1273.2	0.0918095	0.0891979	0.0010212
EARTH	2125-09-13 20:04	98.7	0.0585263	0.0505248	0.0026715

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
248.66136585	246.83878912	0.00352304	MINIMUM
93.49147330	108.08469585	0.08970038	MINIMUM
165.24863631	173.64018543	0.14345493	SADDLE
351.80202007	356.57177509	0.21258228	SADDLE
359.66011208	185.72113863	1.80501291	SADDLE
181.57295861	7.69217282	2.09210894	MAXIMUM

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MOID Plots

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