Asteroids

2025DZ2 help

Last update: 2025-02-23 10:01 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.866

Aphelion (Q)

1.512

Eccentricity (e)

0.272

Inclination (i)

17.0

deg

Orbit period (P)

473.4

Earth MOID

0.00038

U parameter

6.3

Next Earth close approach

Date

2034-08-07

Nominal distance (from Earth center)

0.16608

24844795

Maximum Brightness

27.4

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

29.5

mag

Diameter

3 - 7*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-22

Observatory

Mt. Lemmon Survey

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

1.188771

1-sigma variation

0.000067

Unit

Eccentricity (e)

Value

0.271860

1-sigma variation

0.000053

Unit

Inclination (i)

Value

16.9628

1-sigma variation

0.0028

Unit

Long. of Ascending Node (Ω)

Value

334.3703

1-sigma variation

1.009E-5

Unit

Arg. of Perihelion (ω)

Value

245.7451

1-sigma variation

0.0017

Unit

Mean Anomaly (M)

Value

14.04320

1-sigma variation

0.00110

Unit

Perihelion distance

Value

0.865591

1-sigma variation

Unit

Aphelion distance

Value

1.511951

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.229547

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000492

1-sigma variation

Unit

MOID

Value

0.000381

1-sigma variation

Unit

Orbit Period

Value

473.4189

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.47726E-9	3.51546E-9	1.84815E-7	-1.72157E-10	-1.01714E-7	7.07354E-8
e	3.51546E-9	2.76899E-9	1.46596E-7	-1.07855E-10	-7.76740E-8	5.46795E-8
i	1.84815E-7	1.46596E-7	7.88926E-6	-2.29566E-9	-3.82569E-6	2.77299E-6
Ω	-1.72157E-10	-1.07855E-10	-2.29566E-9	1.01810E-10	1.07824E-8	-5.43284E-9
ω	-1.01714E-7	-7.76740E-8	-3.82569E-6	1.07824E-8	2.86064E-6	-1.82307E-6
M	7.07354E-8	5.46795E-8	2.77299E-6	-5.43284E-9	-1.82307E-6	1.20248E-6

Date of computation: 2025-02-22 22:00 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

29.521

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

3 - 7*

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

0.6

Unit

Source

[1]

Unobserved

Value

0.7

Unit

Source

[1]

Normalized RMS of residuals

Value

0.91785

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-22.314925

Unit

Source

[2]

Last Observation

Value

2025-02-22.867733

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

42 (4)

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 2025DZ2 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	1967-08-06 20:49	> 1 mo	0.1613619	0.1596621	2.3629163
EARTH	1980-02-16 10:38	> 1 mo	0.1411711	0.0054286	2.7435653
EARTH	1989-02-25 17:51	> 1 mo	0.0435879	0.0007873	8.3369158
EARTH	2007-08-06 04:24	> 1 w	0.1628177	0.1600838	0.6034475
EARTH	2020-02-23 21:27	235.2	0.0015134	0.0006233	0.0026980
EARTH	2025-02-23 06:13	< 1 min	0.0012546	0.0012540	0.0000002
EARTH	2034-08-07 16:14	234.7	0.1660772	0.1616060	0.0016546
EARTH	2056-08-06 13:00	301.9	0.1957930	0.1723420	0.0089142
EARTH	2060-02-21 22:07	1255.0	0.0385193	0.0007669	0.0163448
EARTH	2082-02-22 23:13	> 1 d	0.0115528	0.0014764	0.0641056
EARTH	2091-03-01 23:18	> 1 mo	0.0970441	0.0031633	1.3939255
EARTH	2118-08-08 18:20	> 1 mo	0.1487518	0.1464097	0.6578854

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
307.93408226	51.45431510	0.00038125	MINIMUM
76.64770711	211.69316804	0.15268894	MINIMUM
16.12403722	138.20003484	0.30834763	SADDLE
190.28276605	305.48838291	0.62113123	SADDLE
5.93106721	304.09014829	1.83936722	SADDLE
179.24106435	116.89980306	2.49743183	MAXIMUM

Download:

MOID Plots

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