1981 EV23
1981EV23, 17387, J81E23V
All data for this body: [vot]
MPC data
| Name (number) |
1981 EV23 (17387) |
| a |
2.58379 |
| e |
0.15768 |
| i / sin(i) |
7.0997 /
0.12360
|
| q |
2.17637
|
| Q |
2.99121
|
| ω |
106.2143 |
| Node |
358.1871 |
| m |
276.7112 |
| n |
0.2373 |
| Epoch |
2460800.5 |
| nobs |
2031 |
| nopp |
21 |
| Years observed |
1979-2025 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
Rafita (1644) |
|
| |
|
|
| ap |
2.586 |
|
| ep |
0.171 |
|
| sin(ip) |
0.128 |
|
| G |
0.150 |
|
| H |
14.590 |
|
| Mass |
|
|
| D |
2.97 |
0.373 |
| pV |
0.381 |
0.0604 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
5.492 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1644 |
Rafita |
518 |
Rafita |
0.7100 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.5858 |
0.1710 |
0.1283 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.97 |
0.373 |
0.373 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.381 |
0.0604 |
0.0604 |
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 |
| 14.59 |
|
|
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 |
0.9153 |
0.9153 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |