2012 XT21
2012XT21, 2005 EU143, 2005EU143, 2008 YF107, 2008YF107, 2011 OG50, 2011OG50, d2969, K05EE3U, K08YA7F, K11O50G, K12X21T
All data for this body: [vot]
MPC data
| Name (number) |
2012 XT21 (392969) |
| a |
2.76922 |
| e |
0.08740 |
| i / sin(i) |
1.8263 /
0.03187
|
| q |
2.52719
|
| Q |
3.01126
|
| ω |
271.0630 |
| Node |
98.0465 |
| m |
298.3070 |
| n |
0.2139 |
| Epoch |
2460800.5 |
| nobs |
217 |
| nopp |
16 |
| Years observed |
2000-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
Astrid (1128) |
|
| |
|
|
| ap |
2.769 |
|
| ep |
0.051 |
|
| sin(ip) |
0.013 |
|
| G |
0.150 |
|
| H |
17.010 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
C |
| Spectral Class Score |
3.414 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7686 |
0.0512 |
0.0128 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 17.01 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| C |
|
0.569 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |