1999 JS84

1999JS84, 1982 KU1, 1982KU1, 1998 GS1, 1998GS1, 29948, J82K01U, J98G01S, J99J84S

All data for this body: [vot]

MPC data
Name (number) 1999 JS84 (29948)
a 3.16765
e 0.05504
i / sin(i) 17.3747 / 0.29862
q 2.99329
Q 3.34200
ω 49.6227
Node 108.3083
m 307.6154
n 0.1748
Epoch 2460800.5
nobs 4051
nopp 24
Years observed 1982-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.163
ep 0.076
sin(ip) 0.281
G 0.150
H 12.910
Mass
D 14.38 0.122
pV 0.071 0.0096
Value
Rotational Period 24.260
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 0 Ursula Novakovic 2019EPSC...13.1671N HCM
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
3.1625 0.0762 0.2810 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.38 0.122 0.122 Masiero 2011ApJ...741...68M NEATM
14.44 4.730 4.730 Nugent 2016AJ....152...63N NEATM
16.19 2.350 2.350 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.070 0.0108 0.0108 Masiero 2011ApJ...741...68M NEATM
0.081 0.0240 0.0240 Masiero 2012ApJ...759L...8M 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
12.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
24.261 2 Sidereal Durech 2023A&A...675A..24D Model