1999 VW157

1999VW157, 1998 HX77, 1998HX77, 44980, J98H77X, J99VF7W

All data for this body: [vot]

MPC data
Name (number) 1999 VW157 (44980)
a 2.39547
e 0.19650
i / sin(i) 1.6041 / 0.02799
q 1.92475
Q 2.86618
ω 52.6114
Node 258.2469
m 29.6834
n 0.2658
Epoch 2460800.5
nobs 1451
nopp 21
Years observed 1998-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.396
ep 0.168
sin(ip) 0.044
G 0.150
H 15.860
Mass
D 1.69 0.258
pV 0.390 0.1515
Value
Rotational Period 6.420
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.2200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3959 0.1684 0.0445 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.69 0.258 0.258 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.390 0.1515 0.1515 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
15.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.426 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve