Asteroids

2018CC1 help

Last update: 2024-04-24 13:40 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.530

Aphelion (Q)

1.590

Eccentricity (e)

0.500

Inclination (i)

2.3

deg

Orbit period (P)

398.5

Earth MOID

0.00291

U parameter

7.1

Next Earth close approach

Date

2030-02-16

Nominal distance (from Earth center)

0.05636

8431671

Maximum Brightness

19.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

23.4

mag

Diameter

60 - 130*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2018-02-05

Observatory

Catalina Sky Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.059801

1-sigma variation

0.000134

Unit

Eccentricity (e)

Value

0.499928

1-sigma variation

0.000183

Unit

Inclination (i)

Value

2.2908

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

8.3265

1-sigma variation

0.0059

Unit

Arg. of Perihelion (ω)

Value

250.0184

1-sigma variation

0.0053

Unit

Mean Anomaly (M)

Value

164.96718

1-sigma variation

0.37565

Unit

Perihelion distance

Value

0.529977

1-sigma variation

Unit

Aphelion distance

Value

1.589625

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.041935

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.319273

1-sigma variation

Unit

MOID

Value

0.002908

1-sigma variation

Unit

Orbit Period

Value

398.5062

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.78233E-8	2.44207E-8	7.32081E-8	7.75905E-7	-7.04400E-7	-5.01508E-5
e	2.44207E-8	3.34635E-8	1.00282E-7	1.06435E-6	-9.66109E-7	-6.87144E-5
i	7.32081E-8	1.00282E-7	3.01383E-7	3.16288E-6	-2.87132E-6	-2.05993E-4
Ω	7.75905E-7	1.06435E-6	3.16288E-6	3.46922E-5	-3.14727E-5	-2.18316E-3
ω	-7.04400E-7	-9.66109E-7	-2.87132E-6	-3.14727E-5	2.85632E-5	1.98198E-3
M	-5.01508E-5	-6.87144E-5	-2.05993E-4	-2.18316E-3	1.98198E-3	1.41114E-1

Date of computation: 2024-04-23 10:08 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

23.38

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

60 - 130*

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

[-]

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Sources

No.	Name	Additional
[1]	ESA ODIM	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

2261

Unit

Source

[1]

Normalized RMS of residuals

Value

0.562436

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2018-01-23.34769

Unit

Source

[2]

Last Observation

Value

2018-02-14.86073

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

61 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2018CC1 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
MARS	1953-04-05 11:17	> 1 d	0.0407368	0.0373368	0.0049310
EARTH	1958-02-18 12:53	276.0	0.1781248	0.1288101	0.0165107
EARTH	1961-10-04 04:43	286.5	0.0471085	0.0308521	0.0054188
MARS	1966-08-03 14:52	775.7	0.0355212	0.0313804	0.0023490
EARTH	1970-02-18 14:28	140.8	0.1664620	0.1010489	0.0220123
VENUS	1972-07-30 11:39	> 1 d	0.0378355	0.0274196	0.0251595
EARTH	1973-10-03 10:07	1361.0	0.0751686	0.0028053	0.0351217
EARTH	1982-02-17 18:16	> 1 d	0.1099648	0.0274101	0.0511139
EARTH	1985-10-02 01:22	1034.6	0.1359103	0.0029139	0.0558452
EARTH	1994-02-16 13:35	> 1 d	0.0664715	0.0271850	0.0424138
EARTH	1997-10-01 22:00	183.2	0.1730611	0.0668401	0.0354154
VENUS	2001-11-04 08:47	> 1 d	0.0373306	0.0371148	0.0023422
EARTH	2006-02-15 11:22	675.2	0.0371960	0.0269999	0.0093727
EARTH	2018-02-15 11:32	< 1 s	0.0361322	0.0360888	0.0000145
EARTH	2021-10-02 04:06	103.8	0.1933484	0.1826627	0.0035619
EARTH	2030-02-16 08:48	625.7	0.0563622	0.0279300	0.0121508
EARTH	2033-10-01 18:57	86.1	0.1593468	0.1159997	0.0144498
EARTH	2042-02-17 18:55	491.3	0.1017402	0.0598089	0.0143586
EARTH	2045-10-02 12:17	389.7	0.1116804	0.0766658	0.0116734
EARTH	2054-02-18 21:20	24.3	0.1638137	0.1571498	0.0022223
VENUS	2054-05-25 11:15	233.6	0.0469867	0.0432083	0.0012926
EARTH	2057-10-04 01:26	83.1	0.0559042	0.0470351	0.0029576
MARS	2062-05-02 22:29	1094.3	0.0383626	0.0383201	0.0001679
EARTH	2066-02-18 15:57	159.5	0.1849718	0.1522856	0.0109204
EARTH	2069-10-04 14:11	658.4	0.0409738	0.0033596	0.0147907
MARS	2075-09-03 01:38	854.5	0.0303558	0.0294785	0.0006782
EARTH	2078-02-18 15:48	8.8	0.1517771	0.1437534	0.0026771
VENUS	2078-05-25 10:39	269.9	0.0280434	0.0280429	0.0000018
EARTH	2081-10-03 04:31	14.3	0.0908323	0.0868194	0.0013378
EARTH	2090-02-18 00:57	141.9	0.1110243	0.0992358	0.0039423
EARTH	2093-10-02 08:21	144.7	0.1296629	0.1147544	0.0049696
EARTH	2102-02-17 23:30	348.8	0.0718123	0.0500651	0.0075014
VENUS	2102-05-20 20:30	1046.4	0.0492506	0.0316473	0.0071675
EARTH	2105-10-03 02:55	15.7	0.1746812	0.1546258	0.0066852
EARTH	2114-02-16 16:08	253.5	0.0365299	0.0279126	0.0035890

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