2011 DR21
2011DR21, ~0MiW, 2019 NY8, 2019NY8, K11D21R, K19N08Y
All data for this body: [vot]
MPC data
| Name (number) |
2011 DR21 (707328) |
| a |
3.16095 |
| e |
0.10699 |
| i / sin(i) |
9.7558 /
0.16945
|
| q |
2.82277
|
| Q |
3.49913
|
| ω |
109.5126 |
| Node |
335.1812 |
| m |
258.6348 |
| n |
0.1754 |
| Epoch |
2460800.5 |
| nobs |
213 |
| nopp |
10 |
| Years observed |
2005-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.161 |
|
| ep |
0.099 |
|
| sin(ip) |
0.183 |
|
| G |
0.150 |
|
| H |
16.630 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
1.546 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1614 |
0.0994 |
0.1828 |
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 |
| 16.63 |
|
|
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 |
| D |
D |
0.2577 |
0.2577 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |