1999 NW20

1999NW20, 2002 HJ9, 2002HJ9, 70145, J99N20W, K02H09J

All data for this body: [vot]

MPC data
Name (number) 1999 NW20 (70145)
a 2.30637
e 0.07397
i / sin(i) 6.5100 / 0.11338
q 2.13577
Q 2.47697
ω 182.0463
Node 90.9215
m 340.8763
n 0.2814
Epoch 2460200.5
nobs 1457
nopp 18
Years observed 1999-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.306
ep 0.073
sin(ip) 0.102
Value Standard error
G 0.150
H 15.490
Mass
D 2.53 0.649
pV 0.276 0.1518
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3064 0.0728 0.1022 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.53 0.649 0.649 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.276 0.1518 0.1518 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
15.49 MPC-2023-12-04 MPC-2023-12-04 Phot