2018 RA21
2018RA21, ~0V91, 2010 CD225, 2010CD225, 2015 FM49, 2015FM49, K10CM5D, K15F49M, K18R21A
All data for this body: [vot]
MPC data
| Name (number) |
2018 RA21 (739723) |
| a |
3.42148 |
| e |
0.09981 |
| i / sin(i) |
14.0303 /
0.24244
|
| q |
3.08000
|
| Q |
3.76296
|
| ω |
194.9562 |
| Node |
170.5049 |
| m |
358.3406 |
| n |
0.1557 |
| Epoch |
2460800.5 |
| nobs |
231 |
| nopp |
14 |
| Years observed |
1999-2025 |
| rms |
0.93 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.431 |
|
| ep |
0.057 |
|
| sin(ip) |
0.233 |
|
| G |
0.150 |
|
| H |
15.970 |
|
| Mass |
|
|
| D |
4.30 |
0.611 |
| pV |
0.166 |
0.0899 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
0.482 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.4308 |
0.0568 |
0.2331 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.30 |
0.611 |
0.611 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.166 |
0.0899 |
0.0899 |
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 |
| 15.97 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |