1997YR4

2000RL66, 39818, J97Y04R, K00R66L

All data for this body: [vot]

MPC data
Name (number) 1997YR4 (39818)
Packed designation 39818
a 2.27209
e 0.14336
i / sin(i) 4.0727 / 0.07102
q 1.94637
Q 2.59781
ω 292.8636
Node 109.2935
m 68.4455
n 0.2878
Epoch 2459600.5
nobs 1444
nopp 17
Years observed 1997-2022
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.272
ep 0.129
sin(ip) 0.062
Value Standard error
G 0.150
H 15.380
Mass
D 2.03 0.352
pV 0.355 0.1512
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2718 0.1293 0.0618 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.03 0.352 0.352 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.355 0.1512 0.1512 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.38 MPC-2022-01-18 MPC-2022-01-18 Phot