1998 EH21
1998EH21, 91034, J98E21H
All data for this body: [vot]
MPC data
| Name (number) |
1998 EH21 (91034) |
| a |
1.90020 |
| e |
0.06632 |
| i / sin(i) |
21.9253 /
0.37340
|
| q |
1.77417
|
| Q |
2.02622
|
| ω |
200.9197 |
| Node |
162.3143 |
| m |
287.8837 |
| n |
0.3763 |
| Epoch |
2460800.5 |
| nobs |
1159 |
| nopp |
17 |
| Years observed |
1998-2025 |
| rms |
0.78 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
1.900 |
|
| ep |
0.058 |
|
| sin(ip) |
0.342 |
|
| G |
0.150 |
|
| H |
16.610 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
D |
| Spectral Class Score |
0.245 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 434 |
Hungaria |
0 |
Hungaria |
|
Novakovic |
2019EPSC...13.1671N |
HCM |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 1.9001 |
0.0583 |
0.3421 |
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 |
| 16.61 |
|
|
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 |
| D |
D |
0.0409 |
0.0409 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| XD |
|
0.06 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |