Asteroids

2025YW7 help

Last update: 2025-12-30 12:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.750

Aphelion (Q)

4.427

Eccentricity (e)

0.710

Inclination (i)

3.3

deg

Orbit period (P)

1521.2

Earth MOID

0.02798

U parameter

8.8

Next Earth close approach

Date

2050-12-25

Nominal distance (from Earth center)

0.14284

21368727

Maximum Brightness

22.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.8

mag

Diameter

50 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-25

Observatory

Pan-STARRS 1, 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.588515

1-sigma variation

0.015756

Unit

Eccentricity (e)

Value

0.710354

1-sigma variation

0.001929

Unit

Inclination (i)

Value

3.3383

1-sigma variation

0.0059

Unit

Long. of Ascending Node (Ω)

Value

134.0657

1-sigma variation

0.0248

Unit

Arg. of Perihelion (ω)

Value

35.1629

1-sigma variation

0.0188

Unit

Mean Anomaly (M)

Value

339.75491

1-sigma variation

0.19294

Unit

Perihelion distance

Value

0.749752

1-sigma variation

Unit

Aphelion distance

Value

4.427277

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.174847

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.041433

1-sigma variation

Unit

MOID

Value

0.027982

1-sigma variation

Unit

Orbit Period

Value

1521.1582

1-sigma variation

Unit

U parameter

Value

8.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.48236E-4	3.03953E-5	9.26199E-5	3.23715E-4	-2.12076E-4	3.03987E-3
e	3.03953E-5	3.72175E-6	1.13409E-5	3.96364E-5	-2.59666E-5	3.72216E-4
i	9.26199E-5	1.13409E-5	3.50018E-5	1.11491E-4	-7.03889E-5	1.13436E-3
Ω	3.23715E-4	3.96364E-5	1.11491E-4	6.16659E-4	-4.59465E-4	3.96094E-3
ω	-2.12076E-4	-2.59666E-5	-7.03889E-5	-4.59465E-4	3.53226E-4	-2.59402E-3
M	3.03987E-3	3.72216E-4	1.13436E-3	3.96094E-3	-2.59402E-3	3.72259E-2

Date of computation: 2025-12-30 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

23.769

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

50 - 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

0.657596

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-25.402756

Unit

Source

[2]

Last Observation

Value

2025-12-29.337639

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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

Close Approaches for 2025YW7 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	1960-01-15 10:15	> 1 mo	0.1223480	0.0446481	2.7898594
VENUS	1964-04-10 20:38	> 1 mo	0.0292665	0.0220591	0.7697581
EARTH	1964-05-30 03:31	> 1 mo	0.1671431	0.0659748	2.1306574
JUPITER	1974-11-25 15:50	> 1 w	0.6559933	0.2054326	0.1505588
JUPITER	1986-09-05 16:25	> 1 d	0.5856628	0.4444433	0.0471815
EARTH	2026-01-06 17:18	1.5	0.0303284	0.0301027	0.0000753
EARTH	2050-12-25 18:14	> 1 mo	0.1428411	0.0309239	1.0728827
EARTH	2055-05-06 12:21	> 1 mo	0.1357577	0.0587618	0.7933529
JUPITER	2069-11-11 15:50	> 1 w	0.6248718	0.4653976	0.0531631
JUPITER	2081-08-24 08:30	> 1 d	0.5917905	0.4958251	0.0320566
EARTH	2096-01-01 06:43	> 1 w	0.0815917	0.0146794	0.3274548
EARTH	2100-05-06 20:16	> 1 w	0.1500123	0.0447412	0.1543227
EARTH	2125-01-07 23:35	> 1 mo	0.0252822	0.0123914	0.9549209

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
330.99982065	3.60686800	0.02798197	MINIMUM
31.03417759	135.26417363	0.05741124	MINIMUM
1.61794762	70.56328764	0.24670321	SADDLE
1.29014952	249.75884347	1.75647332	SADDLE
180.23381671	248.18019519	3.42080828	SADDLE
180.18791304	68.15860446	5.42106720	MAXIMUM

Download:

MOID Plots

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