1998 JV4

1998JV4, 1987 KD5, 1987KD5, 1999 TY147, 1999TY147, 42688, J87K05D, J98J04V, J99TE7Y

All data for this body: [vot]

MPC data
Name (number) 1998 JV4 (42688)
a 2.38079
e 0.18194
i / sin(i) 4.8836 / 0.08513
q 1.94761
Q 2.81396
ω 326.5275
Node 248.9058
m 130.5704
n 0.2683
Epoch 2460800.5
nobs 1614
nopp 22
Years observed 1987-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.382
ep 0.209
sin(ip) 0.100
G 0.150
H 15.420
Mass
D 2.80 0.642
pV 0.247 0.1036
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3822 0.2090 0.0997 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.80 0.642 0.642 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.247 0.1036 0.1036 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
15.42 MPC-2023-12-04 MPC-2023-12-04 Phot