COBE
09997, 1217 T-1, 1217T-1, 1969 UJ, 1969UJ, 1989 SW11, 1989SW11, 1991 EZ3, 1991EZ3, J69U00J, J89S11W, J91E03Z, T1S1217
All data for this body: [vot]
MPC data
| Name (number) |
COBE (9997) |
| a |
2.54759 |
| e |
0.11084 |
| i / sin(i) |
2.4564 /
0.04286
|
| q |
2.26523
|
| Q |
2.82995
|
| ω |
90.6203 |
| Node |
335.4416 |
| m |
220.3004 |
| n |
0.2424 |
| Epoch |
2460800.5 |
| nobs |
2659 |
| nopp |
26 |
| Years observed |
1969-2025 |
| rms |
0.71 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.547 |
|
| ep |
0.085 |
|
| sin(ip) |
0.055 |
|
| G |
0.150 |
|
| H |
14.420 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
Ds |
| Spectral Class Score |
1.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5467 |
0.0848 |
0.0546 |
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 |
| 14.42 |
|
|
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 |
| Ds |
Xt |
None |
None |
Movis |
NIR |
Popescu |
2018A&A...617A..12P |
PHOT |