Sillanpaa

01446, 1935 GB, 1935GB, 1938 BA, 1938BA, 1952 HQ3, 1952HQ3, 1955 DQ, 1955DQ, 1965 EA, 1965EA, J35G00B, J38B00A, J52H03Q, J55D00Q, J65E00A

All data for this body: [vot]

MPC data
Name (number) Sillanpaa (1446)
a 2.24522
e 0.10170
i / sin(i) 5.2566 / 0.09162
q 2.01687
Q 2.47357
ω 195.9833
Node 17.4853
m 81.3491
n 0.2930
Epoch 2460200.5
nobs 8508
nopp 34
Years observed 1938-2023
rms 0.35
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.246
ep 0.136
sin(ip) 0.081
Value Standard error
G 0.150
H 12.800
Mass
D 8.62 0.057
pV 0.214 0.0105
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.6900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2457 0.1362 0.0813 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.35 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
8.17 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
8.76 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.211 0.0108 0.0108 Masiero 2011ApJ...741...68M NEATM
0.240 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.327 0.0800 0.0800 Masiero 2012ApJ...759L...8M 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
12.80 MPC-2023-12-04 MPC-2023-12-04 Phot