1999 XT178
1999XT178, 1991 RJ37, 1991RJ37, 45209, J91R37J, J99XH8T
All data for this body: [vot]
MPC data
| Name (number) |
1999 XT178 (45209) |
| a |
2.37630 |
| e |
0.25508 |
| i / sin(i) |
2.7642 /
0.04823
|
| q |
1.77016
|
| Q |
2.98244
|
| ω |
330.7721 |
| Node |
23.1938 |
| m |
58.8519 |
| n |
0.2691 |
| Epoch |
2460800.5 |
| nobs |
1571 |
| nopp |
20 |
| Years observed |
1991-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.376 |
|
| ep |
0.215 |
|
| sin(ip) |
0.042 |
|
| G |
0.150 |
|
| H |
15.690 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
11.000 |
| Period quality |
2- |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3756 |
0.2147 |
0.0418 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
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 |
| 15.69 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 11.9 |
2- |
Synodic |
Stephens |
2017MPBu...44...42S |
Lightcurve |