1999 JG18

1999JG18, 1976 JG10, 1976JG10, 1978 UP7, 1978UP7, 1980 BT1, 1980BT1, 29915, J76J10G, J78U07P, J80B01T, J99J18G

All data for this body: [vot]

MPC data
Name (number) 1999 JG18 (29915)
a 2.77716
e 0.17731
i / sin(i) 8.8304 / 0.15351
q 2.28473
Q 3.26958
ω 135.1860
Node 20.9354
m 262.3699
n 0.2130
Epoch 2460800.5
nobs 2453
nopp 22
Years observed 1976-2024
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.777
ep 0.218
sin(ip) 0.149
G 0.150
H 14.140
Mass
D 10.21 0.277
pV 0.068 0.0105
Value
Rotational Period 3.000
Period quality 1
Spectral Class C
Spectral Class Score 5.994
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7767 0.2180 0.1487 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.21 0.277 0.277 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0105 0.0105 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
14.14 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.7 1 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT