1999 XL255
1999XL255, 2001 FA174, 2001FA174, 49972, J99XP5L, K01FH4A
All data for this body: [vot]
MPC data
| Name (number) |
1999 XL255 (49972) |
| a |
2.61276 |
| e |
0.12499 |
| i / sin(i) |
1.7308 /
0.03020
|
| q |
2.28620
|
| Q |
2.93932
|
| ω |
230.4227 |
| Node |
55.8345 |
| m |
187.4802 |
| n |
0.2334 |
| Epoch |
2460800.5 |
| nobs |
1206 |
| nopp |
20 |
| Years observed |
1998-2025 |
| rms |
0.83 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.612 |
|
| ep |
0.128 |
|
| sin(ip) |
0.023 |
|
| G |
0.150 |
|
| H |
15.610 |
|
| Mass |
|
|
| D |
2.09 |
0.322 |
| pV |
0.336 |
0.1260 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.6121 |
0.1278 |
0.0233 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.09 |
0.322 |
0.322 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.336 |
0.1260 |
0.1260 |
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 |
| 15.61 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |