1999 NP9
1999NP9, 1998 KY2, 1998KY2, 70135, J98K02Y, J99N09P
All data for this body: [vot]
MPC data
| Name (number) |
1999 NP9 (70135) |
| a |
2.32990 |
| e |
0.22174 |
| i / sin(i) |
2.9688 /
0.05179
|
| q |
1.81327
|
| Q |
2.84653
|
| ω |
127.8872 |
| Node |
272.5387 |
| m |
221.9479 |
| n |
0.2771 |
| Epoch |
2460200.5 |
| nobs |
1310 |
| nopp |
18 |
| Years observed |
1998-2023 |
| rms |
0.64 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.329 |
|
| ep |
0.201 |
|
| sin(ip) |
0.069 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.850 |
|
| Mass |
|
|
| D |
1.76 |
0.463 |
| pV |
0.248 |
0.1068 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3295 |
0.2008 |
0.0690 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 1.76 |
0.463 |
0.463 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.248 |
0.1068 |
0.1068 |
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 |
| 15.85 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |