1981 DF3
1981DF3, 99971, J81D03F
All data for this body: [vot]
MPC data
| Name (number) |
1981 DF3 (99971) |
| a |
2.79669 |
| e |
0.25640 |
| i / sin(i) |
10.2015 /
0.17711
|
| q |
2.07961
|
| Q |
3.51377
|
| ω |
300.4542 |
| Node |
308.2461 |
| m |
106.4206 |
| n |
0.2107 |
| Epoch |
2460800.5 |
| nobs |
1169 |
| nopp |
19 |
| Years observed |
1981-2025 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.798 |
|
| ep |
0.269 |
|
| sin(ip) |
0.206 |
|
| G |
0.150 |
|
| H |
15.300 |
|
| Mass |
|
|
| D |
4.68 |
0.066 |
| pV |
0.089 |
0.0123 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7984 |
0.2694 |
0.2056 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.68 |
0.066 |
0.066 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.089 |
0.0123 |
0.0123 |
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 |
| 15.30 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |