Johnnapier
05558, 1989 WL2, 1989WL2, J89W02L
All data for this body: [vot]
MPC data
| Name (number) |
Johnnapier (5558) |
| a |
1.93536 |
| e |
0.11278 |
| i / sin(i) |
23.3830 /
0.39688
|
| q |
1.71710
|
| Q |
2.15362
|
| ω |
264.8147 |
| Node |
138.8418 |
| m |
77.5260 |
| n |
0.3661 |
| Epoch |
2460800.5 |
| nobs |
4453 |
| nopp |
23 |
| Years observed |
1978-2025 |
| rms |
0.59 |
Best values
|
Value |
Standard error |
| Parent |
Hungaria (434) |
|
| |
|
|
| ap |
1.935 |
|
| ep |
0.076 |
|
| sin(ip) |
0.353 |
|
| G |
0.150 |
|
| H |
14.370 |
|
| Mass |
|
|
| D |
2.33 |
0.166 |
| pV |
0.819 |
0.0907 |
|
Value |
| Rotational Period |
73.000 |
| Period quality |
2 |
| Spectral Class |
X |
| Spectral Class Score |
6.409 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 1.9354 |
0.0756 |
0.3531 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.33 |
0.166 |
0.166 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.819 |
0.0907 |
0.0907 |
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 |
| 14.37 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 73.9 |
2 |
Synodic |
Warner |
2009MPBu...36..109W |
Lightcurve |
| 73.91 |
2 |
Synodic |
Behrend |
LCDB |
Lightcurve |