Niilo

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

All data for this body: [vot]

MPC data
Name (number) Niilo (2972)
a 2.15142
e 0.16918
i / sin(i) 1.0975 / 0.01915
q 1.78745
Q 2.51540
ω 139.4200
Node 204.2450
m 240.7537
n 0.3123
Epoch 2460200.5
nobs 3844
nopp 29
Years observed 1939-2023
rms 0.58
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 13.680
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-Oct-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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.68 MPC-2023-12-04 MPC-2023-12-04 Phot