Asteroids

2026RG help

Last update: 2026-09-05 12:45 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.698

Aphelion (Q)

1.664

Eccentricity (e)

0.409

Inclination (i)

7.3

deg

Orbit period (P)

468.9

Earth MOID

0.00178

U parameter

6.8

Next Earth close approach

Date

2032-03-13

Nominal distance (from Earth center)

0.16064

24031983

Maximum Brightness

26.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-03

Observatory

ATLAS-MLO, Mauna Loa

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

1.181128

1-sigma variation

0.000139

Unit

Eccentricity (e)

Value

0.408733

1-sigma variation

0.000120

Unit

Inclination (i)

Value

7.2985

1-sigma variation

0.0023

Unit

Long. of Ascending Node (Ω)

Value

161.5610

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

274.3201

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

244.85599

1-sigma variation

0.02576

Unit

Perihelion distance

Value

0.698362

1-sigma variation

Unit

Aphelion distance

Value

1.663894

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.036462

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005977

1-sigma variation

Unit

MOID

Value

0.001780

1-sigma variation

Unit

Orbit Period

Value

468.8608

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.92613E-8	1.66957E-8	3.14411E-7	-7.43033E-9	-1.27901E-7	3.57491E-6
e	1.66957E-8	1.45203E-8	2.74905E-7	-6.53563E-9	-1.04568E-7	3.09898E-6
i	3.14411E-7	2.74905E-7	5.25052E-6	-1.26023E-7	-1.77921E-6	5.83665E-5
Ω	-7.43033E-9	-6.53563E-9	-1.26023E-7	3.06057E-9	3.69786E-8	-1.37953E-6
ω	-1.27901E-7	-1.04568E-7	-1.77921E-6	3.69786E-8	1.66771E-6	-2.37079E-5
M	3.57491E-6	3.09898E-6	5.83665E-5	-1.37953E-6	-2.37079E-5	6.63508E-4

Date of computation: 2026-09-05 12:45 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

27.591

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

8 - 18*

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

0.7

Unit

Source

[1]

Normalized RMS of residuals

Value

0.578265

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-03.418636

Unit

Source

[2]

Last Observation

Value

2026-09-04.91736

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

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 2026RG 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	1960-03-08 03:04	> 1 mo	0.0163554	0.0120116	1.5500873
EARTH	1963-09-16 06:57	> 1 mo	0.1423038	0.0046260	1.5678030
EARTH	1969-02-27 13:38	> 1 mo	0.1153812	0.0196950	0.4904967
EARTH	1972-09-06 06:21	> 1 w	0.0180211	0.0023250	0.2563571
EARTH	1978-02-20 14:39	> 1 w	0.1616580	0.0346035	0.0545728
EARTH	1981-09-06 23:28	> 1 d	0.0258562	0.0020585	0.0739941
EARTH	1987-02-27 22:25	> 1 w	0.1115742	0.0146304	0.1121307
EARTH	1990-09-11 20:10	> 1 w	0.0969719	0.0000559	0.1304087
EARTH	1996-03-04 06:06	> 1 w	0.0462248	0.0115992	0.1419384
EARTH	1999-09-17 11:46	> 1 w	0.1511394	0.0048263	0.0865238
EARTH	2005-03-06 18:37	1282.2	0.0132303	0.0112138	0.0081849
EARTH	2008-09-17 18:38	> 1 d	0.1588755	0.1199550	0.0129808
EARTH	2014-03-03 22:16	1178.7	0.0595834	0.0237372	0.0123831
EARTH	2017-09-10 08:53	928.6	0.0872261	0.0586013	0.0095416
EARTH	2023-02-23 05:38	767.1	0.1491901	0.1361434	0.0043533
EARTH	2026-09-05 10:43	< 1 min	0.0033960	0.0033927	0.0000011
EARTH	2032-03-13 18:08	341.0	0.1606439	0.1449387	0.0052362
EARTH	2039-09-03 00:43	947.4	0.0483844	0.0104113	0.0126973
EARTH	2045-03-10 09:39	457.7	0.0841838	0.0678429	0.0054527
EARTH	2052-08-28 14:19	394.0	0.1444626	0.1271780	0.0057616
EARTH	2058-03-06 05:26	1080.6	0.0086845	0.0086627	0.0005809
EARTH	2071-03-01 19:41	> 1 mo	0.0753527	0.0101620	0.7208253
EARTH	2084-02-13 21:04	> 1 mo	0.1816824	0.0347104	0.5839787
EARTH	2100-09-16 16:24	> 1 d	0.1400375	0.0012926	0.0627806
EARTH	2113-09-12 14:07	> 1 mo	0.0957353	0.0013963	0.4586623
EARTH	2126-09-13 03:18	> 1 mo	0.0981577	0.0016934	0.5917478

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
290.84228433	238.73098491	0.00178017	MINIMUM
66.49664789	61.27191151	0.01150697	MINIMUM
358.18562169	329.38374721	0.30602241	SADDLE
179.16837148	150.68404006	0.66977654	SADDLE
358.38296352	149.70420087	1.70968816	SADDLE
179.43457400	330.86773057	2.64444354	MAXIMUM

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MOID Plots

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