1999 TR9
1999TR9, 1981 TA3, 1981TA3, 1981 VA1, 1981VA1, 70442, J81T03A, J81V01A, J99T09R
All data for this body: [vot]
MPC data
| Name (number) |
1999 TR9 (70442) |
| a |
2.34482 |
| e |
0.24623 |
| i / sin(i) |
2.5467 /
0.04443
|
| q |
1.76745
|
| Q |
2.92220
|
| ω |
22.5687 |
| Node |
18.8812 |
| m |
229.7083 |
| n |
0.2745 |
| Epoch |
2460200.5 |
| nobs |
1882 |
| nopp |
19 |
| Years observed |
1981-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.345 |
|
| ep |
0.224 |
|
| sin(ip) |
0.040 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
15.080 |
|
| Mass |
|
|
| D |
2.35 |
0.560 |
| pV |
0.384 |
0.1590 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3446 |
0.2241 |
0.0404 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.35 |
0.560 |
0.560 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.384 |
0.1590 |
0.1590 |
Masiero |
2012ApJ...759L...8M |
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 |
| 15.08 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |