1991 TH1
1991TH1, 1998 QZ91, 1998QZ91, 52307, J91T01H, J98Q91Z
All data for this body: [vot]
MPC data
| Name (number) |
1991 TH1 (52307) |
| a |
2.29791 |
| e |
0.22293 |
| i / sin(i) |
22.9520 /
0.38996
|
| q |
1.78564
|
| Q |
2.81019
|
| ω |
3.1272 |
| Node |
18.1727 |
| m |
227.6156 |
| n |
0.2829 |
| Epoch |
2460800.5 |
| nobs |
2075 |
| nopp |
22 |
| Years observed |
1977-2025 |
| rms |
0.68 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.298 |
|
| ep |
0.243 |
|
| sin(ip) |
0.361 |
|
| G |
0.150 |
|
| H |
15.210 |
|
| Mass |
|
|
| D |
2.35 |
0.269 |
| pV |
0.320 |
0.0816 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
2.912 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 25 |
Phocaea |
0 |
Phocaea |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2976 |
0.2427 |
0.3614 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.35 |
0.269 |
0.269 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.320 |
0.0816 |
0.0816 |
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 |
| 15.21 |
|
|
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 |
|
|
|
DeMeo-Carry |
VIS |
DeMeo |
2013Icar..226..723D |
PHOT |
| S |
|
0.152 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |