Asteroids

2026BC2 help

Last update: 2026-02-12 14:05 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.959

Aphelion (Q)

1.166

Eccentricity (e)

0.097

Inclination (i)

14.5

deg

Orbit period (P)

400.1

Earth MOID

0.00312

U parameter

7.4

Next Earth close approach

Date

2048-08-25

Nominal distance (from Earth center)

0.09242

13825110

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.5

mag

Diameter

80 - 190*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-19

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

1.062690

1-sigma variation

0.000269

Unit

Eccentricity (e)

Value

0.097317

1-sigma variation

0.000137

Unit

Inclination (i)

Value

14.5312

1-sigma variation

0.0328

Unit

Long. of Ascending Node (Ω)

Value

327.5362

1-sigma variation

0.0035

Unit

Arg. of Perihelion (ω)

Value

63.9151

1-sigma variation

0.0495

Unit

Mean Anomaly (M)

Value

25.39606

1-sigma variation

0.03755

Unit

Perihelion distance

Value

0.959273

1-sigma variation

Unit

Aphelion distance

Value

1.166108

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.003245

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.110966

1-sigma variation

Unit

MOID

Value

0.003123

1-sigma variation

Unit

Orbit Period

Value

400.1369

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.25614E-8	3.70114E-8	8.84172E-6	-9.34067E-7	1.33335E-5	-1.01137E-5
e	3.70114E-8	1.88792E-8	4.50983E-6	-4.76402E-7	6.80106E-6	-5.15882E-6
i	8.84172E-6	4.50983E-6	1.07740E-3	-1.13825E-4	1.62468E-3	-1.23232E-3
Ω	-9.34067E-7	-4.76402E-7	-1.13825E-4	1.20273E-5	-1.71631E-4	1.30175E-4
ω	1.33335E-5	6.80106E-6	1.62468E-3	-1.71631E-4	2.45017E-3	-1.85851E-3
M	-1.01137E-5	-5.15882E-6	-1.23232E-3	1.30175E-4	-1.85851E-3	1.40976E-3

Date of computation: 2026-02-12 14:05 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

22.531

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

80 - 190*

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

0.517187

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-17.508044

Unit

Source

[2]

Last Observation

Value

2026-02-12.055264

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

93 (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 2026BC2 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	1956-08-30 08:29	> 1 d	0.1584337	0.0834913	0.0251198
EARTH	1957-02-02 07:42	> 1 d	0.1327361	0.1113905	0.0135832
EARTH	1967-08-17 13:19	> 1 d	0.0611509	0.0038928	0.0604748
EARTH	1968-02-20 19:03	> 1 w	0.1468890	0.1179702	0.0313470
EARTH	1980-01-31 15:12	447.4	0.1645366	0.1609617	0.0011917
EARTH	1990-08-16 20:17	> 1 d	0.0702022	0.0045769	0.0535365
EARTH	1991-02-21 15:16	> 1 w	0.1521744	0.1217457	0.0297085
EARTH	2002-08-29 21:17	> 1 d	0.1471435	0.0190004	0.0440452
EARTH	2003-02-03 23:56	> 1 d	0.1240151	0.1088535	0.0206592
EARTH	2013-08-10 22:51	> 1 d	0.1752731	0.0916817	0.0279278
EARTH	2025-08-24 08:31	56.0	0.0651427	0.0639532	0.0003976
EARTH	2026-02-09 01:54	1.3	0.1052503	0.1045877	0.0002209
EARTH	2048-08-25 19:51	> 1 d	0.0924152	0.0066859	0.0458437
EARTH	2049-02-06 15:20	> 1 d	0.1082021	0.1065131	0.0076482
EARTH	2059-08-13 08:10	> 1 d	0.1400148	0.0074235	0.0492432
EARTH	2060-02-29 08:23	> 1 w	0.1906082	0.1423300	0.0281786
EARTH	2071-09-01 12:50	> 1 d	0.1844518	0.0920487	0.0309999
EARTH	2072-02-01 21:46	> 1 d	0.1471086	0.1162364	0.0180445
EARTH	2082-08-18 04:16	668.1	0.0471757	0.0238018	0.0077932
EARTH	2083-02-19 06:01	1032.8	0.1391289	0.1288100	0.0035556
EARTH	2094-09-01 03:37	> 1 d	0.1849155	0.0722039	0.0378326
EARTH	2095-02-02 01:18	> 1 d	0.1448901	0.1107992	0.0250242
EARTH	2105-08-14 10:30	> 1 d	0.1310364	0.0074634	0.0715428
EARTH	2106-03-01 04:34	> 1 w	0.1868126	0.1410158	0.0430565
EARTH	2117-08-27 04:48	> 1 d	0.0979597	0.0054429	0.0725055
EARTH	2118-02-07 21:43	> 1 d	0.1071783	0.1048019	0.0145360

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
300.81655020	226.76858224	0.00312334	MINIMUM
102.75609813	37.98293821	0.10467285	MINIMUM
23.57246391	316.77207459	0.24826084	SADDLE
201.25177178	128.54371941	0.30939314	SADDLE
357.91156356	108.07262134	1.95313231	SADDLE
162.26605316	272.24219081	2.15170488	MAXIMUM

Download:

MOID Plots

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