1999 RJ87
1999RJ87, 1980 FT2, 1980FT2, 40509, J80F02T, J99R87J
All data for this body: [vot]
MPC data
| Name (number) |
1999 RJ87 (40509) |
| a |
3.09701 |
| e |
0.13008 |
| i / sin(i) |
9.2601 /
0.16092
|
| q |
2.69414
|
| Q |
3.49988
|
| ω |
269.0816 |
| Node |
180.7516 |
| m |
178.3383 |
| n |
0.1808 |
| Epoch |
2460800.5 |
| nobs |
1595 |
| nopp |
20 |
| Years observed |
1980-2024 |
| rms |
0.76 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.092 |
|
| ep |
0.130 |
|
| sin(ip) |
0.163 |
|
| G |
0.150 |
|
| H |
14.570 |
|
| Mass |
|
|
| D |
4.88 |
0.096 |
| pV |
0.118 |
0.0175 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
B |
| Spectral Class Score |
4.740 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0918 |
0.1301 |
0.1634 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.88 |
0.096 |
0.096 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.118 |
0.0175 |
0.0175 |
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 |
| 14.57 |
|
|
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 |
| B |
|
0.790 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |