Yrjo

02804, 1941 HF, 1941HF, 1951 EK2, 1951EK2, 1979 QD, 1979QD, 1979 QJ8, 1979QJ8, 1982 BY6, 1982BY6, J41H00F, J51E02K, J79Q00D, J79Q08J, J82B06Y

All data for this body: [vot]

MPC data
Name (number) Yrjo (2804)
a 3.01307
e 0.07891
i / sin(i) 11.2206 / 0.19459
q 2.77529
Q 3.25084
ω 171.4718
Node 109.0814
m 313.9742
n 0.1884
Epoch 2460800.5
nobs 5247
nopp 31
Years observed 1941-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.014
ep 0.081
sin(ip) 0.173
G 0.150
H 11.310
Mass
D 17.99 0.141
pV 0.133 0.0109
Value
Rotational Period 8.100
Period quality 2+
Spectral Class K
Spectral Class Score 2.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0144 0.0809 0.1730 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.31 0.740 0.740 Masiero 2012ApJ...759L...8M NEATM
17.60 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
18.58 0.222 0.222 Masiero 2011ApJ...741...68M NEATM
19.65 1.330 1.330 Usui 2011PASJ...63.1117U NEATM
20.24 4.050 4.050 Ali-Lagoa 2018A&A...612A..85A NEATM
22.84 2.200 2.200 Tedesco 2002AJ....123.1056T STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0160 0.0160 Tedesco 2002AJ....123.1056T STM
0.138 0.0550 0.0550 Ali-Lagoa 2018A&A...612A..85A NEATM
0.171 0.0226 0.0226 Masiero 2011ApJ...741...68M NEATM
0.200 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.220 0.0310 0.0310 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
11.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.128 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
8.12 2+ Synodic Chang 2014ApJ...788...17C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K X DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT