Asteroids

2025NM1 help

Last update: 2025-07-09 20:00 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

1.006

Aphelion (Q)

3.375

Eccentricity (e)

0.541

Inclination (i)

14.8

deg

Orbit period (P)

1184.3

Earth MOID

0.00416

U parameter

9.0

Next Earth close approach

Date

2054-06-17

Nominal distance (from Earth center)

0.09087

13593552

Maximum Brightness

28.1

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

30.1

mag

Diameter

2.5 - 6*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-07-02

Observatory

Space Surveillance Telescope, HEH Station

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.190629

1-sigma variation

0.037327

Unit

Eccentricity (e)

Value

0.540590

1-sigma variation

0.007865

Unit

Inclination (i)

Value

14.8310

1-sigma variation

0.1412

Unit

Long. of Ascending Node (Ω)

Value

101.1540

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

163.6998

1-sigma variation

0.0093

Unit

Mean Anomaly (M)

Value

346.18443

1-sigma variation

0.34122

Unit

Perihelion distance

Value

1.006397

1-sigma variation

Unit

Aphelion distance

Value

3.374862

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.239121

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.004459

1-sigma variation

Unit

MOID

Value

0.004159

1-sigma variation

Unit

Orbit Period

Value

1184.2727

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.39330E-3	2.93560E-4	5.26782E-3	2.97020E-5	2.11602E-4	1.27364E-2
e	2.93560E-4	6.18515E-5	1.10988E-3	6.25814E-6	4.45389E-5	2.68349E-3
i	5.26782E-3	1.10988E-3	1.99244E-2	1.12253E-4	8.20191E-4	4.81490E-2
Ω	2.97020E-5	6.25814E-6	1.12253E-4	6.33463E-7	4.39346E-6	2.71539E-4
ω	2.11602E-4	4.45389E-5	8.20191E-4	4.39346E-6	8.65839E-5	1.92094E-3
M	1.27364E-2	2.68349E-3	4.81490E-2	2.71539E-4	1.92094E-3	1.16428E-1

Date of computation: 2025-07-09 20:00 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

30.092

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

2.5 - 6*

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

0.2

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.206824

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-02.701338

Unit

Source

[2]

Last Observation

Value

2025-07-02.86659

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

5 (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

Close Approaches for 2025NM1 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	2012-07-16 06:07	> 1 mo	0.1021328	0.0131697	1.9131822
EARTH	2025-07-02 15:15	< 1 min	0.0040581	0.0039180	0.0000467
EARTH	2054-06-17 07:07	> 1 mo	0.0908673	0.0180081	3.6422425
EARTH	2099-07-20 06:42	> 1 mo	0.1396479	0.0185293	0.8739531

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
8.75324776	178.56372873	0.00415904	MINIMUM
359.61346334	342.16769934	1.98943181	SADDLE
179.46175049	342.93141172	2.39416316	SADDLE
180.48057304	163.47195549	4.38848879	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025NM1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS	TS
2088-07-02.567	83869.567	-0.941	0.000	1.16 ± 0.057	1.78E5	2.20E-6	3.51E-9	-8.17	0
2090-07-03.201	84600.201	-3.578	0.000	0.08 ± 0.089	9.17E6	2.03E-10	2.87E-13	-12.26	0


Based on 5 optical observations (of which 0 are rejected as outliers) from 2025/07/02.701 to 2025/07/02.867.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.39 and 1.39 Earth radii.
Coordinates for LOV = CAR scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250709 200528.233 UTC.

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Download Impactor Table as: