2001NP20
2002TR237, A8661, K01N20P, K02TN7R
All data for this body: [vot]
MPC data
| Name (number) |
2001NP20 (108661) |
| Packed designation |
A8661 |
| a |
3.39489 |
| e |
0.09629 |
| i / sin(i) |
21.6217 /
0.36848
|
| q |
3.06801
|
| Q |
3.72178
|
| ω |
349.4976 |
| Node |
247.3553 |
| m |
170.1986 |
| n |
0.1576 |
| Epoch |
2459600.5 |
| nobs |
569 |
| nopp |
18 |
| Years observed |
2000-2021 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.392 |
|
| ep |
0.164 |
|
| sin(ip) |
0.372 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.190 |
|
| Mass |
|
|
| D |
8.72 |
0.320 |
| pV |
0.064 |
0.0136 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.3916 |
0.1643 |
0.3721 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.72 |
0.320 |
0.320 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.064 |
0.0136 |
0.0136 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 14.19 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |