1999 RW18

1999RW18, 1998 HM68, 1998HM68, 44609, J98H68M, J99R18W

All data for this body: [vot]

MPC data
Name (number) 1999 RW18 (44609)
a 2.20318
e 0.08204
i / sin(i) 4.7820 / 0.08336
q 2.02243
Q 2.38393
ω 69.4142
Node 356.1750
m 55.3359
n 0.3014
Epoch 2460200.5
nobs 2539
nopp 17
Years observed 1998-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.203
ep 0.114
sin(ip) 0.083
Value Standard error
G 0.150
H 15.180
Mass
D 2.67 0.189
pV 0.297 0.0647
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2033 0.1141 0.0828 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.67 0.189 0.189 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.297 0.0647 0.0647 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
15.18 MPC-2023-12-04 MPC-2023-12-04 Phot