1999 NJ9

1999NJ9, 33726, J99N09J

All data for this body: [vot]

MPC data
Name (number) 1999 NJ9 (33726)
a 2.76877
e 0.27540
i / sin(i) 6.5618 / 0.11428
q 2.00624
Q 3.53129
ω 330.4483
Node 306.1986
m 228.5239
n 0.2139
Epoch 2460800.5
nobs 2374
nopp 22
Years observed 1998-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.772
ep 0.278
sin(ip) 0.130
G 0.150
H 14.220
Mass
D 9.05 0.193
pV 0.064 0.0066
Value
Rotational Period 4.500
Period quality 1+
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7719 0.2782 0.1301 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.05 0.195 0.195 Masiero 2011ApJ...741...68M NEATM
9.07 2.970 2.970 Masiero 2020PSJ.....1....5M NEATM
9.19 2.380 2.380 Masiero 2020PSJ.....1....5M NEATM
9.34 2.350 2.350 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0470 0.0470 Masiero 2020PSJ.....1....5M NEATM
0.049 0.0560 0.0560 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.065 0.0069 0.0069 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.56 1+ Synodic Aznar 2019MPBu...46..395A Lightcurve