1999 JN81

1999JN81, 2001 BA42, 2001BA42, 42811, J99J81N, K01B42A

All data for this body: [vot]

MPC data
Name (number) 1999 JN81 (42811)
a 1.84357
e 0.14280
i / sin(i) 24.0923 / 0.40821
q 1.58032
Q 2.10682
ω 128.8100
Node 209.3904
m 127.6759
n 0.3937
Epoch 2460200.5
nobs 3175
nopp 16
Years observed 1984-2023
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 14.440
Mass
D 3.17 0.265
pV 0.283 0.0513
Rotational Period 3.902
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.75 0.400 0.400 Nugent 2016AJ....152...63N NEATM
3.40 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM
3.60 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.0800 0.0800 Ali-Lagoa 2017A&A...603A..55A NEATM
0.290 0.0900 0.0900 Ali-Lagoa 2017A&A...603A..55A NEATM
0.310 0.1000 0.1000 Nugent 2016AJ....152...63N 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
14.44 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.90 Warner 2012MPBu...39..245W Lightcurve
3.90 Stephens 2022MPBu...49..314S Lightcurve
3.90 Warner 2008MPBu...35...56W Lightcurve
3.90 Pal 2020ApJS..247...26P Lightcurve
3.90 Skiff 2019MPBu...46..458S Lightcurve
3.91 Benishek 2018MPBu...45...82B Lightcurve