1999 JB4

1999JB4, 17083, 1975 PN, 1975PN, 1978 VW16, 1978VW16, 1996 HG22, 1996HG22, J75P00N, J78V16W, J96H22G, J99J04B

All data for this body: [vot]

MPC data
Name (number) 1999 JB4 (17083)
a 1.95785
e 0.10014
i / sin(i) 21.3560 / 0.36416
q 1.76179
Q 2.15391
ω 46.1358
Node 26.2307
m 312.8331
n 0.3598
Epoch 2460800.5
nobs 1897
nopp 19
Years observed 1975-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.958
ep 0.080
sin(ip) 0.365
G 0.150
H 14.950
Mass
D 1.70 0.149
pV 0.614 0.1982
Value
Rotational Period 6.140
Period quality 2+
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria 0.5500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9580 0.0800 0.3646 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.70 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.614 0.1982 0.1982 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
14.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.147 2+ Synodic Stephens 2015MPBu...42..200S Lightcurve