1999 XP4
1999XP4, 2001 DD30, 2001DD30, 45037, J99X04P, K01D30D
All data for this body: [vot]
MPC data
| Name (number) |
1999 XP4 (45037) |
| a |
2.80698 |
| e |
0.03600 |
| i / sin(i) |
3.2607 /
0.05688
|
| q |
2.70592
|
| Q |
2.90804
|
| ω |
332.7920 |
| Node |
106.1154 |
| m |
127.6947 |
| n |
0.2096 |
| Epoch |
2460800.5 |
| nobs |
1387 |
| nopp |
23 |
| Years observed |
1992-2025 |
| rms |
0.84 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.807 |
|
| ep |
0.045 |
|
| sin(ip) |
0.037 |
|
| G |
0.150 |
|
| H |
15.140 |
|
| Mass |
|
|
| D |
3.00 |
0.323 |
| pV |
0.164 |
0.0625 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.8070 |
0.0454 |
0.0375 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.00 |
0.323 |
0.323 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.164 |
0.0625 |
0.0625 |
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 |
| 15.14 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |