Asteroids

2026RN15 help

Last update: 2026-09-14 05:00 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.915

Aphelion (Q)

1.593

Eccentricity (e)

0.270

Inclination (i)

1.2

deg

Orbit period (P)

513.1

Earth MOID

0.01084

U parameter

8.0

Next Earth close approach

Date

2026-09-27

Nominal distance (from Earth center)

0.02139

3199674

Maximum Brightness

20.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-11

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

1.254334

1-sigma variation

0.000975

Unit

Eccentricity (e)

Value

0.270155

1-sigma variation

0.000699

Unit

Inclination (i)

Value

1.2235

1-sigma variation

0.0033

Unit

Long. of Ascending Node (Ω)

Value

139.5656

1-sigma variation

0.0320

Unit

Arg. of Perihelion (ω)

Value

281.0365

1-sigma variation

0.0524

Unit

Mean Anomaly (M)

Value

249.43647

1-sigma variation

0.14589

Unit

Perihelion distance

Value

0.915469

1-sigma variation

Unit

Aphelion distance

Value

1.593199

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.119098

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.212564

1-sigma variation

Unit

MOID

Value

0.010844

1-sigma variation

Unit

Orbit Period

Value

513.1190

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.51502E-7	6.74870E-7	2.97906E-6	6.61989E-6	-1.07305E-5	1.42179E-4
e	6.74870E-7	4.88115E-7	1.99499E-6	1.68079E-6	-2.64694E-6	1.00240E-4
i	2.97906E-6	1.99499E-6	1.08214E-5	5.88903E-5	-9.60635E-5	4.52660E-4
Ω	6.61989E-6	1.68079E-6	5.88903E-5	1.02121E-3	-1.67112E-3	1.18133E-3
ω	-1.07305E-5	-2.64694E-6	-9.60635E-5	-1.67112E-3	2.74094E-3	-1.92008E-3
M	1.42179E-4	1.00240E-4	4.52660E-4	1.18133E-3	-1.92008E-3	2.12837E-2

Date of computation: 2026-09-14 05:00 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

26.09

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

16 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.439187

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-10.350083

Unit

Source

[2]

Last Observation

Value

2026-09-13.32387

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

13 (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 2026RN15 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	1975-01-23 20:42	> 1 mo	0.1596153	0.0098460	5.3559096
EARTH	1982-01-09 14:02	> 1 mo	0.0118035	0.0109128	0.0728484
EARTH	1989-01-14 21:58	> 1 w	0.0486191	0.0107552	0.1810109
MARS	1993-09-15 23:32	> 1 w	0.0356509	0.0267020	0.0794801
EARTH	2019-09-14 21:24	> 1 d	0.1626648	0.0176850	0.0504283
EARTH	2026-09-27 21:22	12.1	0.0213885	0.0212258	0.0000542
EARTH	2033-09-23 16:00	> 1 d	0.0489966	0.0155161	0.0476400
EARTH	2040-09-13 07:30	478.5	0.1778882	0.1591611	0.0062454
EARTH	2073-01-21 09:15	> 1 w	0.1006610	0.0081064	0.1586080
EARTH	2080-01-12 23:27	> 1 w	0.0138060	0.0090808	0.0600480
EARTH	2110-09-27 20:10	> 1 mo	0.0431026	0.0174501	1.3473688
EARTH	2117-10-15 14:43	> 1 mo	0.0444515	0.0172583	0.9833826
EARTH	2124-12-13 12:18	> 1 mo	0.0654585	0.0037508	1.1174417

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
37.26660446	4.09491181	0.01084398	MINIMUM
317.79251687	263.17232282	0.01567792	MINIMUM
357.14491531	313.18895590	0.07560432	SADDLE
178.43403580	134.58429233	0.58182900	SADDLE
357.25821983	133.35372305	1.92721453	SADDLE
178.50309253	314.64711423	2.58129877	MAXIMUM

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MOID Plots

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