Asteroids

2026DG7 help

Last update: 2026-02-27 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.801

Aphelion (Q)

3.587

Eccentricity (e)

0.635

Inclination (i)

2.8

deg

Orbit period (P)

1187.2

Earth MOID

0.01507

U parameter

8.7

Next Earth close approach

Date

2055-07-14

Nominal distance (from Earth center)

0.03594

5376692

Maximum Brightness

21.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-23

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.194238

1-sigma variation

0.010150

Unit

Eccentricity (e)

Value

0.634747

1-sigma variation

0.001847

Unit

Inclination (i)

Value

2.7686

1-sigma variation

0.0071

Unit

Long. of Ascending Node (Ω)

Value

329.6295

1-sigma variation

0.0034

Unit

Arg. of Perihelion (ω)

Value

258.2931

1-sigma variation

0.0037

Unit

Mean Anomaly (M)

Value

315.57788

1-sigma variation

0.31876

Unit

Perihelion distance

Value

0.801451

1-sigma variation

Unit

Aphelion distance

Value

3.587025

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.492130

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.171224

1-sigma variation

Unit

MOID

Value

0.015074

1-sigma variation

Unit

Orbit Period

Value

1187.2004

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.03020E-4	1.87474E-5	7.18240E-5	3.43614E-5	9.82750E-6	3.23536E-3
e	1.87474E-5	3.41180E-6	1.30662E-5	6.24655E-6	1.83600E-6	5.88764E-4
i	7.18240E-5	1.30662E-5	5.01894E-5	2.41416E-5	5.68920E-6	2.25569E-3
Ω	3.43614E-5	6.24655E-6	2.41416E-5	1.17731E-5	1.47621E-6	1.07919E-3
ω	9.82750E-6	1.83600E-6	5.68920E-6	1.47621E-6	1.37010E-5	3.08140E-4
M	3.23536E-3	5.88764E-4	2.25569E-3	1.07919E-3	3.08140E-4	1.01607E-1

Date of computation: 2026-02-27 13:00 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

25.384

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

22 - 50*

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

0.332755

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-23.317306

Unit

Source

[2]

Last Observation

Value

2026-02-27.15652

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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

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 2026DG7 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	1961-06-27 20:28	> 1 mo	0.1185246	0.0341737	0.3833257
EARTH	1974-06-13 17:23	> 1 mo	0.1669357	0.0343370	0.5348236
EARTH	2000-04-18 21:10	> 1 mo	0.1954812	0.0114539	0.3018370
EARTH	2013-04-15 04:16	> 1 mo	0.1952582	0.0063933	0.2054230
EARTH	2026-03-07 06:44	1.5	0.0240534	0.0238685	0.0000616
EARTH	2055-07-14 08:45	> 1 mo	0.0359410	0.0276588	0.6498872
MARS	2077-09-24 17:31	> 1 mo	0.0202492	0.0146118	1.4164065
EARTH	2081-02-23 16:13	> 1 mo	0.1950787	0.0168036	2.9410226
EARTH	2097-06-10 10:42	> 1 mo	0.1813272	0.0202682	0.9476781
EARTH	2110-03-10 13:08	> 1 mo	0.0196652	0.0196353	0.0417137
EARTH	2126-07-15 09:58	> 1 mo	0.0368186	0.0228255	11.2258502

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
329.41773513	65.60218637	0.01507443	MINIMUM
32.53618722	190.20254541	0.03065120	MINIMUM
1.32710676	128.43762575	0.21418543	SADDLE
1.18758919	308.15927664	1.79120080	SADDLE
180.27822933	306.95850712	2.59816427	SADDLE
180.26485531	126.95678459	4.59726489	MAXIMUM

Download:

MOID Plots

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