1999 JC81
1999JC81, 17133, 1975 TB3, 1975TB3, 1975 TH4, 1975TH4, 1982 FJ1, 1982FJ1, 1987 QO, 1987QO, J75T03B, J75T04H, J82F01J, J87Q00O, J99J81C
All data for this body: [vot]
MPC data
| Name (number) |
1999 JC81 (17133) |
| a |
2.58577 |
| e |
0.14438 |
| i / sin(i) |
13.7287 /
0.23733
|
| q |
2.21245
|
| Q |
2.95910
|
| ω |
79.7853 |
| Node |
182.7852 |
| m |
76.8090 |
| n |
0.2370 |
| Epoch |
2460800.5 |
| nobs |
4691 |
| nopp |
24 |
| Years observed |
1975-2025 |
| rms |
0.62 |
Best values
|
Value |
Standard error |
| Parent |
Eunomia (15) |
|
| |
|
|
| ap |
2.586 |
|
| ep |
0.144 |
|
| sin(ip) |
0.242 |
|
| G |
0.150 |
|
| H |
13.060 |
|
| Mass |
|
|
| D |
7.66 |
0.224 |
| pV |
0.250 |
0.0314 |
|
Value |
| Rotational Period |
48.184 |
| Period quality |
2 |
| Spectral Class |
S |
| Spectral Class Score |
27.770 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 15 |
Eunomia |
502 |
Eunomia |
-0.8400 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5855 |
0.1437 |
0.2420 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 7.66 |
0.224 |
0.224 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.250 |
0.0314 |
0.0314 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 13.06 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 48.1843 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |