Niilo

02972, 1939TB, 1955XL, 1964PK, 1976GO2, 1977UL1, 1980TY2, 1983RO, J39T00B, J55X00L, J64P00K, J76G02O, J77U01L, J80T02Y, J83R00O

All data for this body: [vot]

MPC data
Name (number) Niilo (2972)
Packed designation 02972
a 2.15079
e 0.16950
i / sin(i) 1.0972 / 0.01915
q 1.78623
Q 2.51535
ω 139.3052
Node 204.2654
m 53.4226
n 0.3125
Epoch 2459600.5
nobs 3250
nopp 28
Years observed 1939-2022
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.151
ep 0.098
sin(ip) 0.029
Value Standard error
G 0.150
H 13.620
Mass
D 4.73 0.131
pV 0.218 0.0410
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1511 0.0978 0.0288 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.73 0.131 0.131 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.218 0.0410 0.0410 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.62 MPC-2022-01-18 MPC-2022-01-18 Phot