1999 JY87

1999JY87, 49655, J99J87Y

All data for this body: [vot]

MPC data
Name (number) 1999 JY87 (49655)
a 3.04149
e 0.07115
i / sin(i) 11.2880 / 0.19574
q 2.82509
Q 3.25789
ω 345.6927
Node 88.4991
m 350.3610
n 0.1858
Epoch 2460200.5
nobs 1560
nopp 22
Years observed 1991-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.040
ep 0.068
sin(ip) 0.175
Value Standard error
G 0.150
H 14.180
Mass
D 6.09 0.378
pV 0.144 0.0300
Rotational Period
Family data
[raw, vot]

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
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0401 0.0680 0.1749 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.09 0.378 0.378 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.144 0.0300 0.0300 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.18 MPC-2023-12-04 MPC-2023-12-04 Phot