1999 XN218
1999XN218, 2002 RP221, 2002RP221, D7777, J99XL8N, K02RM1P
All data for this body: [vot]
MPC data
| Name (number) |
1999 XN218 (137777) |
| a |
2.37402 |
| e |
0.18445 |
| i / sin(i) |
4.5258 /
0.07891
|
| q |
1.93613
|
| Q |
2.81192
|
| ω |
328.5039 |
| Node |
92.5160 |
| m |
7.6257 |
| n |
0.2694 |
| Epoch |
2460800.5 |
| nobs |
1035 |
| nopp |
15 |
| Years observed |
1999-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.373 |
|
| ep |
0.178 |
|
| sin(ip) |
0.062 |
|
| G |
0.150 |
|
| H |
16.130 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
7.000 |
| Period quality |
2 |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3734 |
0.1784 |
0.0620 |
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 |
| 16.13 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 7.0 |
2 |
Synodic |
Waszczak |
2015AJ....150...75W |
Lightcurve |