Asteroids

2025NA help

Last update: 2025-07-02 12:45 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.875

Aphelion (Q)

2.895

Eccentricity (e)

0.536

Inclination (i)

1.2

deg

Orbit period (P)

945.3

Earth MOID

0.00072

U parameter

7.0

Next Earth close approach

Date

2060-03-25

Nominal distance (from Earth center)

0.05031

7526857

Maximum Brightness

25.8

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-07-01

Observatory

ATLAS Chile, Rio Hurtado

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

1.885053

1-sigma variation

0.000588

Unit

Eccentricity (e)

Value

0.535721

1-sigma variation

0.000157

Unit

Inclination (i)

Value

1.2401

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

100.0519

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

124.9138

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

353.69868

1-sigma variation

0.00161

Unit

Perihelion distance

Value

0.875190

1-sigma variation

Unit

Aphelion distance

Value

2.894917

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.959284

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.011080

1-sigma variation

Unit

MOID

Value

0.000725

1-sigma variation

Unit

Orbit Period

Value

945.3310

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.46059E-7	9.21197E-8	2.04090E-7	-1.00455E-7	6.54313E-7	9.44480E-7
e	9.21197E-8	2.45227E-8	5.43131E-8	-2.67365E-8	1.73937E-7	2.51463E-7
i	2.04090E-7	5.43131E-8	1.21109E-7	-5.97384E-8	3.91425E-7	5.56040E-7
Ω	-1.00455E-7	-2.67365E-8	-5.97384E-8	2.97160E-8	-1.91945E-7	-2.73886E-7
ω	6.54313E-7	1.73937E-7	3.91425E-7	-1.91945E-7	1.31945E-6	1.77029E-6
M	9.44480E-7	2.51463E-7	5.56040E-7	-2.73886E-7	1.77029E-6	2.58066E-6

Date of computation: 2025-07-02 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

27.654

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

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

[-]

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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

0.499907

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-06-30.317938

Unit

Source

[2]

Last Observation

Value

2025-07-02.26628

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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 2025NA 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	1963-04-17 17:56	> 1 mo	0.1212429	0.0285161	0.2823139
EARTH	1981-07-02 11:36	> 1 w	0.0287775	0.0008769	0.0810417
EARTH	1994-04-14 21:50	> 1 w	0.1180765	0.0303620	0.0325525
MARS	2004-05-09 13:12	> 1 d	0.0385688	0.0384570	0.0031365
EARTH	2025-06-30 02:29	< 1 s	0.0019865	0.0019850	0.0000005
31 Euphrosyne	2039-10-08 05:06	471.6	0.0179992	0.0114778	0.0128931
MARS	2043-11-13 12:06	> 1 d	0.0366758	0.0366455	0.0015353
MARS	2052-06-28 12:19	> 1 d	0.0357187	0.0240353	0.0513943
EARTH	2060-03-25 21:36	> 1 w	0.0503139	0.0234580	0.0733545
MARS	2062-09-05 22:00	> 1 d	0.0418623	0.0362603	0.0308227
EARTH	2068-06-22 04:47	> 1 w	0.0499291	0.0001079	0.0409330
MARS	2071-04-21 13:18	1086.4	0.0477437	0.0228387	0.0116777
MARS	2081-06-28 10:12	> 1 d	0.0464774	0.0365017	0.0589506
EARTH	2103-03-23 06:02	> 1 mo	0.0278144	0.0234430	0.1935706
EARTH	2111-06-29 02:53	> 1 mo	0.0206990	0.0000320	1.1679161

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
30.65438506	175.65103359	0.00072484	MINIMUM
331.77511845	72.68726189	0.02090001	MINIMUM
1.25650631	124.13271938	0.13469442	SADDLE
1.36768959	304.35350498	1.86597600	SADDLE
180.41189325	303.23513852	1.90416256	SADDLE
180.43509659	123.25268718	3.90357561	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2025NA

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2095-07-01.861	86424.861	1.074	1.32 ± 0.001	2.85E4	5.38E-6	2.70E-7	-6.63
2111-07-02.126	92268.126	1.947	0.51 ± 0.000	3.50E5	4.35E-7	2.16E-8	-7.82
2113-07-02.474	92999.474	0.765	0.59 ± 0.000	8.25E5	8.88E-7	4.46E-8	-7.51
2118-07-02.801	94825.801	0.783	0.47 ± 0.000	1.92E6	4.07E-7	2.05E-8	-7.87
2119-07-03.054	95191.054	0.700	0.12 ± 0.000	3.44E6	2.47E-7	1.24E-8	-8.10


Based on 28 optical observations (of which 0 are rejected as outliers) from 2025/06/30.318 to 2025/07/02.266.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.37 and 1.37 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250702 130415.881 UTC.

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