1999 JE8

1999JE8, 29909, J99J08E

All data for this body: [vot]

MPC data
Name (number) 1999 JE8 (29909)
a 2.39196
e 0.25458
i / sin(i) 22.7632 / 0.38692
q 1.78301
Q 3.00091
ω 292.2922
Node 203.6007
m 77.3534
n 0.2664
Epoch 2460800.5
nobs 2953
nopp 21
Years observed 1997-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.391
ep 0.230
sin(ip) 0.407
G 0.150
H 14.230
Mass
D 4.23 0.050
pV 0.310 0.0300
Value
Rotational Period 14.383
Period quality 2
Spectral Class V
Spectral Class Score 0.888
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3914 0.2297 0.4070 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.66 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
4.29 0.053 0.053 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.264 0.0409 0.0409 Masiero 2011ApJ...741...68M NEATM
0.364 0.0441 0.0441 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
14.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.3833 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V 0.148 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT