1999 JQ49

1999JQ49, 1995 ER8, 1995ER8, 33597, J95E08R, J99J49Q

All data for this body: [vot]

MPC data
Name (number) 1999 JQ49 (33597)
a 2.38864
e 0.13323
i / sin(i) 1.3841 / 0.02415
q 2.07041
Q 2.70687
ω 60.4796
Node 156.8754
m 24.6610
n 0.2670
Epoch 2460800.5
nobs 1458
nopp 20
Years observed 1995-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.388
ep 0.162
sin(ip) 0.023
G 0.150
H 15.890
Mass
D 2.10 0.335
pV 0.258 0.0750
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.286
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.6400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3882 0.1621 0.0227 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.99 0.526 0.526 Masiero 2011ApJ...741...68M NEATM
2.17 0.435 0.435 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.236 0.1034 0.1034 Masiero 2011ApJ...741...68M NEATM
0.283 0.1089 0.1089 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
15.89 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.3810 0.3810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.17 Bus VIS Carvano 2010A&A...510A..43C PHOT