1999 HU1
1999HU1, 29899, J99H01U
All data for this body: [vot]
MPC data
| Name (number) |
1999 HU1 (29899) |
| a |
2.72199 |
| e |
0.09152 |
| i / sin(i) |
4.7735 /
0.08322
|
| q |
2.47287
|
| Q |
2.97111
|
| ω |
263.5534 |
| Node |
136.1399 |
| m |
85.1303 |
| n |
0.2195 |
| Epoch |
2460800.5 |
| nobs |
2454 |
| nopp |
23 |
| Years observed |
1994-2025 |
| rms |
0.75 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.723 |
|
| ep |
0.061 |
|
| sin(ip) |
0.070 |
|
| G |
0.150 |
|
| H |
14.360 |
|
| Mass |
|
|
| D |
3.68 |
0.450 |
| pV |
0.327 |
0.0800 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.860 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7228 |
0.0607 |
0.0701 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 3.68 |
0.450 |
0.450 |
Masiero |
2012ApJ...759L...8M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.327 |
0.0800 |
0.0800 |
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 |
| 14.36 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.47 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |
| S |
V |
0.6533 |
0.4830 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| V |
V |
0.6378 |
0.4830 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |