Asteroids

2026JP1 help

Last update: 2026-05-17 13:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.671

Aphelion (Q)

2.171

Eccentricity (e)

0.528

Inclination (i)

3.7

deg

Orbit period (P)

618.7

Earth MOID

0.03600

U parameter

8.2

Next Earth close approach

Date

2026-05-20

Nominal distance (from Earth center)

0.04528

6773846

Maximum Brightness

20.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

40 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-08

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

1.420909

1-sigma variation

0.001783

Unit

Eccentricity (e)

Value

0.527651

1-sigma variation

0.000845

Unit

Inclination (i)

Value

3.7197

1-sigma variation

0.0074

Unit

Long. of Ascending Node (Ω)

Value

198.6150

1-sigma variation

0.0195

Unit

Arg. of Perihelion (ω)

Value

128.3703

1-sigma variation

0.0204

Unit

Mean Anomaly (M)

Value

339.61870

1-sigma variation

0.05925

Unit

Perihelion distance

Value

0.671165

1-sigma variation

Unit

Aphelion distance

Value

2.170652

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.522796

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.226125

1-sigma variation

Unit

MOID

Value

0.035999

1-sigma variation

Unit

Orbit Period

Value

618.6537

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.17763E-6	1.50561E-6	1.32701E-5	3.47378E-5	-3.64035E-5	1.05625E-4
e	1.50561E-6	7.13379E-7	6.28765E-6	1.64598E-5	-1.72488E-5	5.00466E-5
i	1.32701E-5	6.28765E-6	5.54330E-5	1.45188E-4	-1.52128E-4	4.41098E-4
Ω	3.47378E-5	1.64598E-5	1.45188E-4	3.80669E-4	-3.98766E-4	1.15467E-3
ω	-3.64035E-5	-1.72488E-5	-1.52128E-4	-3.98766E-4	4.17764E-4	-1.21004E-3
M	1.05625E-4	5.00466E-5	4.41098E-4	1.15467E-3	-1.21004E-3	3.51100E-3

Date of computation: 2026-05-17 13:15 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

23.954

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

40 - 100*

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

0.691007

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-08.369207

Unit

Source

[2]

Last Observation

Value

2026-05-16.97289

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

70 (2)

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 2026JP1 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	1958-11-15 18:17	> 1 w	0.0396610	0.0345935	0.0935648
EARTH	1965-05-12 04:12	> 1 d	0.1268853	0.0405884	0.0719311
EARTH	1980-11-24 10:10	> 1 d	0.1927493	0.0371801	0.1217710
EARTH	1987-05-25 17:32	> 1 w	0.1028621	0.0409432	0.1632509
EARTH	1997-11-11 09:02	> 1 w	0.0617875	0.0355320	0.1941564
EARTH	2004-05-11 00:46	> 1 w	0.1501775	0.0410707	0.2105359
EARTH	2019-11-24 00:46	> 1 d	0.1647178	0.0370283	0.0854701
EARTH	2026-05-20 09:56	< 1 min	0.0452804	0.0450674	0.0000710
EARTH	2048-05-28 10:33	> 1 w	0.1346867	0.0415652	0.2102906
EARTH	2058-11-06 12:04	> 1 mo	0.1229006	0.0386598	0.3155219
EARTH	2080-11-20 20:06	> 1 w	0.1101828	0.0376972	0.5148036
EARTH	2087-05-21 13:52	> 1 w	0.0488003	0.0432811	0.1887788
EARTH	2097-11-06 08:17	> 1 mo	0.1253367	0.0391592	0.4695283
EARTH	2119-11-22 06:13	> 1 w	0.0996252	0.0382673	0.3952586
EARTH	2126-05-20 02:54	> 1 w	0.0480735	0.0439356	0.1358726

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
54.48614859	308.87196378	0.03599877	MINIMUM
302.81246723	132.97055126	0.04187476	MINIMUM
357.95933457	219.88898563	0.34418239	SADDLE
179.37613054	41.99689551	1.18521941	SADDLE
358.41434002	40.69954334	1.65828899	SADDLE
179.57911841	222.10192521	3.18218512	MAXIMUM

Download:

MOID Plots

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