1999 YQ

1999YQ, 1990 HW2, 1990HW2, 49973, J90H02W, J99Y00Q

All data for this body: [vot]

MPC data
Name (number) 1999 YQ (49973)
a 2.29981
e 0.24500
i / sin(i) 23.4961 / 0.39869
q 1.73635
Q 2.86326
ω 230.4582
Node 249.4597
m 90.7253
n 0.2826
Epoch 2460800.5
nobs 2084
nopp 20
Years observed 1976-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.300
ep 0.234
sin(ip) 0.409
G 0.150
H 14.520
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.7900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2997 0.2342 0.4093 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.52 MPC-2023-12-04 MPC-2023-12-04 Phot