1998 EV1
1998EV1, 19396, 1999 NM31, 1999NM31, J98E01V, J99N31M
All data for this body: [vot]
MPC data
| Name (number) |
1998 EV1 (19396) |
| a |
2.71986 |
| e |
0.12922 |
| i / sin(i) |
2.2493 /
0.03925
|
| q |
2.36841
|
| Q |
3.07131
|
| ω |
320.4037 |
| Node |
23.4693 |
| m |
236.4658 |
| n |
0.2197 |
| Epoch |
2460800.5 |
| nobs |
2331 |
| nopp |
26 |
| Years observed |
1954-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.720 |
|
| ep |
0.094 |
|
| sin(ip) |
0.038 |
|
| G |
0.150 |
|
| H |
14.700 |
|
| Mass |
|
|
| D |
4.35 |
0.424 |
| pV |
0.178 |
0.0522 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.808 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7203 |
0.0938 |
0.0379 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.35 |
0.424 |
0.424 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.178 |
0.0522 |
0.0522 |
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 |
| 14.70 |
|
|
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 |
|
0.968 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |