Asteroids

2026CH2 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.699

Aphelion (Q)

1.142

Eccentricity (e)

0.241

Inclination (i)

0.1

deg

Orbit period (P)

322.4

Earth MOID

0.00065

U parameter

5.4

Next Earth close approach

Date

2032-11-21

Nominal distance (from Earth center)

0.14218

21269337

Maximum Brightness

26.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

2.7 - 6*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-08

Observatory

Catalina Sky 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.920076

1-sigma variation

0.000010

Unit

Eccentricity (e)

Value

0.240788

1-sigma variation

0.000043

Unit

Inclination (i)

Value

0.1158

1-sigma variation

0.0011

Unit

Long. of Ascending Node (Ω)

Value

300.9693

1-sigma variation

0.1898

Unit

Arg. of Perihelion (ω)

Value

319.4394

1-sigma variation

0.1930

Unit

Mean Anomaly (M)

Value

39.45847

1-sigma variation

0.00662

Unit

Perihelion distance

Value

0.698532

1-sigma variation

Unit

Aphelion distance

Value

1.141619

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.282208

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.074117

1-sigma variation

Unit

MOID

Value

0.000650

1-sigma variation

Unit

Orbit Period

Value

322.3545

1-sigma variation

Unit

U parameter

Value

5.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.33491E-11	3.93155E-10	1.08028E-8	1.82281E-6	-1.85286E-6	6.12748E-8
e	3.93155E-10	1.85611E-9	4.71945E-8	7.96956E-6	-8.09922E-6	2.85100E-7
i	1.08028E-8	4.71945E-8	1.26526E-6	2.13546E-4	-2.17050E-4	7.31997E-6
Ω	1.82281E-6	7.96956E-6	2.13546E-4	3.60415E-2	-3.66329E-2	1.23597E-3
ω	-1.85286E-6	-8.09922E-6	-2.17050E-4	-3.66329E-2	3.72340E-2	-1.25612E-3
M	6.12748E-8	2.85100E-7	7.31997E-6	1.23597E-3	-1.25612E-3	4.38694E-5

Date of computation: 2026-03-18 10:55 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

29.958

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

2.7 - 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

[-]

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.639421

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-08.361703

Unit

Source

[2]

Last Observation

Value

2026-02-08.989148

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (1)

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 2026CH2 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	1955-10-26 09:41	116.2	0.1415261	0.1412865	0.0000799
EARTH	1957-01-29 03:42	129.5	0.1074776	0.1066863	0.0002638
VENUS	1961-12-18 18:03	52.7	0.0416202	0.0413672	0.0000845
VENUS	1963-10-23 03:17	46.5	0.0428965	0.0426968	0.0000666
EARTH	1967-10-20 23:29	87.3	0.1209936	0.1205549	0.0001462
EARTH	1969-02-06 22:41	6.3	0.0555113	0.0553480	0.0000544
EARTH	1978-10-04 03:33	9.4	0.0431422	0.0424962	0.0002166
EARTH	1979-12-31 10:41	133.6	0.1639358	0.1637323	0.0000678
EARTH	1990-11-19 05:32	110.4	0.1726188	0.1724902	0.0000429
EARTH	1992-02-08 17:20	5.7	0.0613309	0.0605668	0.0002547
EARTH	2001-10-15 12:42	49.1	0.1073705	0.1070879	0.0000942
EARTH	2003-02-06 09:13	28.3	0.0637986	0.0632666	0.0001773
EARTH	2012-10-03 21:47	11.4	0.0512195	0.0504054	0.0002724
EARTH	2013-12-28 11:55	151.9	0.1677177	0.1675334	0.0000614
EARTH	2024-08-20 14:52	157.1	0.1946599	0.1942801	0.0001266
EARTH	2024-11-07 00:14	83.9	0.1566515	0.1563757	0.0000919
EARTH	2026-02-09 06:52	< 1 min	0.0006292	0.0006287	0.0000001
EARTH	2032-11-21 13:04	345.9	0.1421767	0.1417716	0.0001351
EARTH	2039-10-21 07:14	36.0	0.1922377	0.1892017	0.0010120
EARTH	2041-02-03 19:34	300.9	0.0668989	0.0636053	0.0010979
VENUS	2041-05-05 21:21	832.3	0.0266710	0.0261298	0.0002021
EARTH	2047-10-25 21:22	110.4	0.0844553	0.0837125	0.0002476
VENUS	2055-06-07 01:57	152.4	0.0421501	0.0403348	0.0006107
EARTH	2056-01-04 09:08	403.9	0.1406423	0.1401197	0.0001742
VENUS	2061-09-19 03:36	225.1	0.0301220	0.0291261	0.0003549
EARTH	2062-10-17 20:35	75.0	0.0368569	0.0344776	0.0007931
EARTH	2064-02-05 18:59	17.1	0.1678199	0.1662212	0.0005329
EARTH	2071-01-06 07:35	190.3	0.1379241	0.1374271	0.0001657
EARTH	2071-03-18 07:18	460.5	0.1960916	0.1951791	0.0003042
EARTH	2077-10-19 03:35	154.9	0.0511163	0.0484370	0.0008931
EARTH	2079-02-04 08:42	39.9	0.1949845	0.1918413	0.0010478
VENUS	2081-11-30 06:50	433.1	0.0228338	0.0223191	0.0001992
EARTH	2086-01-27 18:35	700.5	0.0894401	0.0853515	0.0013629
VENUS	2088-03-03 05:29	613.3	0.0306837	0.0286111	0.0008304
EARTH	2092-11-05 02:27	> 1 d	0.1143797	0.1087245	0.0018851
EARTH	2101-01-24 21:21	> 1 d	0.1011527	0.0905772	0.0035253
EARTH	2107-11-05 13:59	533.2	0.1106755	0.1085368	0.0007129
VENUS	2108-06-13 16:26	481.3	0.0269096	0.0268501	0.0000336
EARTH	2116-02-01 01:17	1136.8	0.0814449	0.0733087	0.0027121
EARTH	2122-11-03 23:27	> 1 d	0.1085328	0.0987594	0.0032578

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
252.53836005	35.15798636	0.00065025	MINIMUM
110.40313582	279.88642598	0.00205375	MINIMUM
181.27734662	337.32365980	0.15677719	SADDLE
2.08166930	158.15107872	0.31698200	SADDLE
2.02461145	338.09261630	1.68333537	SADDLE
181.31842161	157.36514442	2.15708340	MAXIMUM

Download:

MOID Plots

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