1999XW172

1997OO, 25559, J97O00O, J99XH2W

All data for this body: [vot]

MPC data
Name (number) 1999XW172 (25559)
Packed designation 25559
a 3.20284
e 0.07761
i / sin(i) 16.4239 / 0.28274
q 2.95428
Q 3.45141
ω 167.5653
Node 293.8947
m 304.2578
n 0.1719
Epoch 2459600.5
nobs 1513
nopp 19
Years observed 1997-2021
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.197
ep 0.107
sin(ip) 0.299
Value Standard error
G 0.150
H 13.300
Mass
D 17.30 3.683
pV 0.027 0.0160
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1969 0.1066 0.2995 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.96 5.600 5.600 Masiero 2020PSJ.....1....5M NEATM
17.56 4.890 4.890 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0180 0.0180 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0350 0.0350 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
13.30 MPC-2022-01-18 MPC-2022-01-18 Phot