Asteroids

2023BC2 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.450

Aphelion (Q)

1.036

Eccentricity (e)

0.394

Inclination (i)

2.6

deg

Orbit period (P)

234.1

Earth MOID

0.01517

U parameter

8.0

Next Earth close approach

Date

2029-12-31

Nominal distance (from Earth center)

0.16479

24652568

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-23

Observatory

Pan-STARRS 2, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.743415

1-sigma variation

0.000238

Unit

Eccentricity (e)

Value

0.394155

1-sigma variation

0.000555

Unit

Inclination (i)

Value

2.6258

1-sigma variation

0.0053

Unit

Long. of Ascending Node (Ω)

Value

123.5846

1-sigma variation

0.0018

Unit

Arg. of Perihelion (ω)

Value

183.3683

1-sigma variation

0.0032

Unit

Mean Anomaly (M)

Value

13.49305

1-sigma variation

0.61943

Unit

Perihelion distance

Value

0.450394

1-sigma variation

Unit

Aphelion distance

Value

1.036437

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.050493

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.564532

1-sigma variation

Unit

MOID

Value

0.015166

1-sigma variation

Unit

Orbit Period

Value

234.1239

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.65522E-8	-1.32080E-7	-1.25613E-6	-4.23875E-7	7.65831E-7	-1.47304E-4
e	-1.32080E-7	3.08480E-7	2.93377E-6	9.89982E-7	-1.78856E-6	3.44035E-4
i	-1.25613E-6	2.93377E-6	2.79041E-5	9.41620E-6	-1.70059E-5	3.27189E-3
Ω	-4.23875E-7	9.89982E-7	9.41620E-6	3.17805E-6	-5.74000E-6	1.10408E-3
ω	7.65831E-7	-1.78856E-6	-1.70059E-5	-5.74000E-6	1.05508E-5	-1.99518E-3
M	-1.47304E-4	3.44035E-4	3.27189E-3	1.10408E-3	-1.99518E-3	3.83690E-1

Date of computation: 2025-02-19 13:28 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

25.319

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

23 - 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

833

Unit

Source

[1]

Normalized RMS of residuals

Value

0.732427

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-01-23.441461

Unit

Source

[2]

Last Observation

Value

2023-01-30.99137

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (3)

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 2023BC2 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	1950-01-25 22:57	> 1 d	0.0523322	0.0512046	0.0005467
EARTH	1956-12-31 09:13	809.0	0.1707590	0.1242964	0.0155099
EARTH	1959-02-18 01:45	> 1 d	0.0185861	0.0180094	0.0025084
EARTH	1966-01-01 19:30	> 1 d	0.0300298	0.0163764	0.0276671
EARTH	1968-02-22 04:19	611.2	0.1397263	0.0475155	0.0312662
EARTH	1975-01-19 15:41	1106.2	0.0487512	0.0437668	0.0017066
VENUS	1978-06-29 22:47	502.9	0.0160398	0.0046575	0.0127671
EARTH	1982-01-01 00:03	20.0	0.1694343	0.1687195	0.0002383
VENUS	1982-07-24 02:33	13.3	0.0280642	0.0232495	0.0016362
EARTH	1984-02-20 07:07	316.6	0.0322823	0.0231248	0.0032513
EARTH	1991-01-21 19:24	> 1 d	0.0486335	0.0405081	0.0030896
EARTH	1997-12-31 16:27	640.0	0.0656884	0.0169369	0.0218132
VENUS	1999-03-06 06:09	1367.4	0.0494136	0.0162443	0.0272082
EARTH	2000-02-22 05:27	206.9	0.1362022	0.0819163	0.0181842
EARTH	2007-02-11 07:44	> 1 d	0.0334032	0.0240706	0.0032903
VENUS	2011-02-07 14:36	759.8	0.0451990	0.0064488	0.0244501
EARTH	2014-01-02 12:40	> 1 d	0.0260874	0.0155554	0.0147884
VENUS	2015-03-04 04:36	1327.3	0.0461752	0.0154416	0.0253666
EARTH	2016-02-22 04:56	419.6	0.1554211	0.0978894	0.0192987
EARTH	2023-01-26 22:26	< 1 min	0.0517834	0.0515478	0.0000785
VENUS	2026-06-26 07:07	402.5	0.0475046	0.0145329	0.0111187
EARTH	2029-12-31 21:56	447.2	0.1647922	0.1151673	0.0165890
EARTH	2032-02-19 05:12	> 1 d	0.0214505	0.0194440	0.0059816
EARTH	2039-01-03 09:19	> 1 d	0.0207057	0.0147077	0.0282424
EARTH	2041-02-21 19:16	1153.1	0.1497891	0.0171358	0.0536211
VENUS	2045-04-23 01:25	> 1 d	0.0411991	0.0143474	0.0668519
EARTH	2048-01-20 00:01	> 1 w	0.0479033	0.0264350	0.0106433
EARTH	2055-01-02 03:14	103.2	0.1985184	0.1893849	0.0030504
VENUS	2056-08-16 01:17	955.8	0.0130465	0.0031879	0.0185905
EARTH	2057-02-15 21:22	1377.0	0.0217935	0.0182245	0.0029404
VENUS	2060-09-09 04:22	465.6	0.0239629	0.0124893	0.0173875
EARTH	2064-01-05 10:11	> 1 d	0.0135617	0.0134771	0.0030403
EARTH	2066-02-20 21:22	> 1 d	0.1967663	0.0216921	0.1012451
VENUS	2072-08-15 12:44	> 1 w	0.0367451	0.0034505	0.3789035
EARTH	2073-02-14 00:05	> 1 mo	0.0272762	0.0219047	0.1066396
EARTH	2080-01-01 10:17	> 1 d	0.0591407	0.0136535	0.1594848
EARTH	2082-02-22 09:33	218.2	0.1115032	0.0216649	0.0823763
EARTH	2089-01-13 20:06	> 1 mo	0.0387183	0.0168021	0.0655330
EARTH	2098-02-13 02:52	> 1 mo	0.0307924	0.0222125	0.1376505
EARTH	2105-01-01 05:54	> 1 d	0.0839972	0.0139346	0.3071924
VENUS	2106-10-31 08:21	> 1 w	0.0247130	0.0150672	0.2716603
EARTH	2107-02-23 09:37	> 1 d	0.0866900	0.0256001	0.2375090
EARTH	2114-01-16 20:05	> 1 w	0.0414885	0.0217150	0.0435267
EARTH	2121-01-02 03:50	> 1 w	0.1722934	0.0154265	0.4334637
EARTH	2123-02-20 17:30	> 1 mo	0.0286981	0.0217424	0.2487673

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
145.60944209	2.00779881	0.01534525	MINIMUM
212.35382462	46.01299466	0.01945296	MINIMUM
179.39083975	24.29677159	0.05233633	SADDLE
358.00981916	202.91944131	0.56469666	SADDLE
358.06466880	22.97813907	1.43459219	SADDLE
179.08495065	204.08650782	2.05156577	MAXIMUM

Download:

MOID Plots

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