2001 DF21
2001DF21, 1993 UJ7, 1993UJ7, 2000 AK222, 2000AK222, 98980, J93U07J, K00AM2K, K01D21F
All data for this body: [vot]
MPC data
| Name (number) |
2001 DF21 (98980) |
| a |
3.04004 |
| e |
0.05588 |
| i / sin(i) |
9.6064 /
0.16688
|
| q |
2.87015
|
| Q |
3.20993
|
| ω |
112.9456 |
| Node |
88.5532 |
| m |
170.9682 |
| n |
0.1859 |
| Epoch |
2460800.5 |
| nobs |
1146 |
| nopp |
21 |
| Years observed |
1993-2025 |
| rms |
0.82 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.043 |
|
| ep |
0.085 |
|
| sin(ip) |
0.148 |
|
| G |
0.150 |
|
| H |
14.710 |
|
| Mass |
|
|
| D |
4.27 |
0.993 |
| pV |
0.168 |
0.0683 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0431 |
0.0847 |
0.1476 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.27 |
0.993 |
0.993 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.168 |
0.0683 |
0.0683 |
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 |
| 14.71 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |