1999 JA7

1999JA7, 1977 OW, 1977OW, 40272, J77O00W, J99J07A

All data for this body: [vot]

MPC data
Name (number) 1999 JA7 (40272)
a 2.40602
e 0.26814
i / sin(i) 12.1973 / 0.21128
q 1.76086
Q 3.05118
ω 222.5837
Node 73.7994
m 298.6791
n 0.2641
Epoch 2460800.5
nobs 2550
nopp 21
Years observed 1977-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Chaldaea (313)
 
ap 2.407
ep 0.234
sin(ip) 0.193
G 0.150
H 15.680
Mass
D 3.35 0.065
pV 0.115 0.0171
Value
Rotational Period 193.290
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
313 Chaldaea 415 Chaldaea 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4074 0.2340 0.1934 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.35 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
3.81 1.110 1.110 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0520 0.0520 Masiero 2020PSJ.....1....5M NEATM
0.119 0.0181 0.0181 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
15.68 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
193.299 2 Synodic Pal 2020ApJS..247...26P Lightcurve
195.954 2 Synodic McNeill 2019ApJS..245...29M Lightcurve