1998 VP20

1998VP20, 13795, 1991 PH4, 1991PH4, 1996 LF1, 1996LF1, J91P04H, J96L01F, J98V20P

All data for this body: [vot]

MPC data
Name (number) 1998 VP20 (13795)
a 3.17182
e 0.14232
i / sin(i) 2.1671 / 0.03781
q 2.72042
Q 3.62323
ω 82.8388
Node 146.1056
m 314.6230
n 0.1745
Epoch 2460200.5
nobs 2298
nopp 23
Years observed 1991-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.182
ep 0.157
sin(ip) 0.028
Value Standard error
G 0.150
H 13.550
Mass
D 12.06 0.150
pV 0.064 0.0118
Rotational Period 258.900
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis 0.4400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1816 0.1573 0.0281 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.06 0.150 0.150 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0118 0.0118 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
13.55 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
258.90 Durech 2023A&A...675A..24D Model