1998 HE1
1998HE1, 18691, 1992 FM3, 1992FM3, J92F03M, J98H01E
All data for this body: [vot]
MPC data
| Name (number) |
1998 HE1 (18691) |
| a |
3.19059 |
| e |
0.13612 |
| i / sin(i) |
7.5975 /
0.13221
|
| q |
2.75627
|
| Q |
3.62490
|
| ω |
279.7335 |
| Node |
10.0591 |
| m |
192.8036 |
| n |
0.1729 |
| Epoch |
2460800.5 |
| nobs |
2650 |
| nopp |
24 |
| Years observed |
1992-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.185 |
|
| ep |
0.137 |
|
| sin(ip) |
0.138 |
|
| G |
0.150 |
|
| H |
13.470 |
|
| Mass |
|
|
| D |
5.61 |
0.328 |
| pV |
0.323 |
0.0829 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
1.000 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1846 |
0.1374 |
0.1376 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.61 |
0.328 |
0.328 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.323 |
0.0829 |
0.0829 |
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 |
| 13.47 |
|
|
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 |
S |
None |
None |
Movis |
NIR |
Popescu |
2018A&A...617A..12P |
PHOT |