1998 HY45
1998HY45, 2000 SB34, 2000SB34, 55948, J98H45Y, K00S34B
All data for this body: [vot]
MPC data
| Name (number) |
1998 HY45 (55948) |
| a |
3.17356 |
| e |
0.03073 |
| i / sin(i) |
11.5019 /
0.19940
|
| q |
3.07603
|
| Q |
3.27110
|
| ω |
316.8886 |
| Node |
27.1170 |
| m |
143.7995 |
| n |
0.1743 |
| Epoch |
2460800.5 |
| nobs |
1342 |
| nopp |
22 |
| Years observed |
1998-2025 |
| rms |
0.87 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.174 |
|
| ep |
0.031 |
|
| sin(ip) |
0.196 |
|
| G |
0.150 |
|
| H |
14.550 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
5.400 |
| Period quality |
|
| Spectral Class |
X |
| Spectral Class Score |
5.142 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1740 |
0.0311 |
0.1964 |
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 |
| 14.55 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 5.42 |
|
Synodic |
Erasmus |
2019ApJS..242...15E |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| C |
X |
0.837000 |
0.163000 |
Bus-DeMeo |
VIS |
Erasmus |
2019ApJS..242...15E |
PHOT |
| X |
|
0.857 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |