1999 RX221
1999RX221, 2000 QV217, 2000QV217, 36162, J99RM1X, K00QL7V
All data for this body: [vot]
MPC data
| Name (number) |
1999 RX221 (36162) |
| a |
3.11289 |
| e |
0.11097 |
| i / sin(i) |
11.7442 /
0.20354
|
| q |
2.76746
|
| Q |
3.45832
|
| ω |
347.2557 |
| Node |
253.0358 |
| m |
357.7143 |
| n |
0.1795 |
| Epoch |
2460800.5 |
| nobs |
2929 |
| nopp |
23 |
| Years observed |
1998-2025 |
| rms |
0.65 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.116 |
|
| ep |
0.136 |
|
| sin(ip) |
0.219 |
|
| G |
0.150 |
|
| H |
13.460 |
|
| Mass |
|
|
| D |
8.25 |
0.221 |
| pV |
0.149 |
0.0143 |
|
Value |
| Rotational Period |
40.630 |
| Period quality |
2 |
| Spectral Class |
X |
| Spectral Class Score |
2.203 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.1160 |
0.1356 |
0.2194 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 8.25 |
0.221 |
0.221 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.149 |
0.0143 |
0.0143 |
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 |
| 13.46 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 40.6308 |
2 |
Synodic |
Pal |
2020ApJS..247...26P |
Lightcurve |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| C |
|
0.23 |
|
Bus |
VIS |
Carvano |
2010A&A...510A..43C |
PHOT |
| X |
X |
0.3672 |
0.3672 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |