1999 JY87
1999JY87, 49655, J99J87Y
All data for this body: [vot]
MPC data
| Name (number) |
1999 JY87 (49655) |
| a |
3.03919 |
| e |
0.07017 |
| i / sin(i) |
11.2917 /
0.19581
|
| q |
2.82595
|
| Q |
3.25244
|
| ω |
345.7491 |
| Node |
88.4963 |
| m |
101.9398 |
| n |
0.1860 |
| Epoch |
2460800.5 |
| nobs |
2029 |
| nopp |
23 |
| Years observed |
1991-2025 |
| rms |
0.73 |
Best values
|
Value |
Standard error |
| Parent |
Eos (221) |
|
| |
|
|
| ap |
3.040 |
|
| ep |
0.068 |
|
| sin(ip) |
0.175 |
|
| G |
0.150 |
|
| H |
14.130 |
|
| Mass |
|
|
| D |
6.09 |
0.378 |
| pV |
0.144 |
0.0300 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.008 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 221 |
Eos |
606 |
Eos |
0.1800 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0401 |
0.0680 |
0.1749 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 6.09 |
0.378 |
0.378 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.144 |
0.0300 |
0.0300 |
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 |
| 14.13 |
|
|
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 |
| D |
D |
0.2074 |
0.2074 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |
| S |
|
0.668 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |