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 2.15154
e 0.16916
i / sin(i) 1.0975 / 0.01915
q 1.78759
Q 2.51549
ω 139.5368
Node 204.2438
m 68.0514
n 0.3123
Epoch 2460800.5
nobs 4878
nopp 30
Years observed 1939-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.151
ep 0.098
sin(ip) 0.029
G 0.150
H 13.640
Mass
D 4.73 0.131
pV 0.218 0.0410
Value
Rotational Period 8.590
Period quality 2
Spectral Class S
Spectral Class Score 35.955
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-Nov-2024
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
13.64 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.592 2 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.95 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.968 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6144 0.9320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8822 0.9320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9265 0.9320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9723 0.9320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9791 0.9320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT