1999 YR9

1999YR9, 1998 RK52, 1998RK52, 41339, J98R52K, J99Y09R

All data for this body: [vot]

MPC data
Name (number) 1999 YR9 (41339)
a 2.75186
e 0.13163
i / sin(i) 5.8468 / 0.10187
q 2.38962
Q 3.11410
ω 3.1077
Node 85.4929
m 220.8474
n 0.2159
Epoch 2460800.5
nobs 1840
nopp 23
Years observed 1991-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Merxia (808)
 
ap 2.751
ep 0.134
sin(ip) 0.082
G 0.150
H 14.790
Mass
D 3.65 0.394
pV 0.192 0.0350
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
808 Merxia 0 Merxia Novakovic 2019EPSC...13.1671N HCM
808 Merxia 513 Merxia 0.3100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7512 0.1343 0.0817 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.59 1.064 1.064 Masiero 2011ApJ...741...68M NEATM
3.66 0.424 0.424 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.191 0.0378 0.0378 Masiero 2011ApJ...741...68M NEATM
0.198 0.0920 0.0920 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
14.79 MPC-2023-12-04 MPC-2023-12-04 Phot