1999RW208

1941SX, 1950TZ3, 1968UW1, 1986TH6, 21766, J41S00X, J50T03Z, J68U01W, J86T06H, J99RK8W

All data for this body: [vot]

MPC data
Name (number) 1999RW208 (21766)
Packed designation 21766
a 2.71091
e 0.21663
i / sin(i) 6.4755 / 0.11278
q 2.12365
Q 3.29816
ω 178.2340
Node 233.4229
m 333.9538
n 0.2208
Epoch 2459600.5
nobs 2591
nopp 23
Years observed 1941-2021
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.710
ep 0.194
sin(ip) 0.122
Value Standard error
G 0.150
H 12.850
Mass
D 18.05 0.291
pV 0.040 0.0054
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7099 0.1941 0.1220 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
13.08 3.600 3.600 Masiero 2020PSJ.....1....5M NEATM
14.38 3.480 3.480 Masiero 2020PSJ.....1....5M NEATM
18.03 0.299 0.299 Masiero 2011ApJ...741...68M NEATM
20.06 1.610 1.610 Usui 2011PASJ...63.1117U NEATM
20.70 4.140 4.140 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0061 0.0061 Masiero 2011ApJ...741...68M NEATM
0.047 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.064 0.0400 0.0400 Masiero 2020PSJ.....1....5M 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
12.85 MPC-2022-01-18 MPC-2022-01-18 Phot