2009 SP55

2009SP55, a5314, K09S55P

All data for this body: [vot]

MPC data
Name (number) 2009 SP55 (365314)
a 3.08490
e 0.11337
i / sin(i) 15.6954 / 0.27053
q 2.73516
Q 3.43465
ω 143.9880
Node 218.0219
m 329.2871
n 0.1819
Epoch 2460800.5
nobs 487
nopp 17
Years observed 2002-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.082
ep 0.090
sin(ip) 0.281
G 0.150
H 15.580
Mass
D 4.76 0.249
pV 0.054 0.0020
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.086
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
375 Ursula 0 Ursula Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0818 0.0898 0.2806 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.76 0.249 0.249 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0020 0.0020 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
15.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.0144 0.0144 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT