Yrsa

00351, 1892 YA, 1892YA, 1927 OB, 1927OB, 1950 PD1, 1950PD1, 1959 LN, 1959LN, I92Y00A, J27O00B, J50P01D, J59L00N

All data for this body: [vot]

MPC data
Name (number) Yrsa (351)
a 2.76362
e 0.15667
i / sin(i) 9.2084 / 0.16003
q 2.33066
Q 3.19659
ω 31.7016
Node 99.1852
m 245.3350
n 0.2145
Epoch 2460800.5
nobs 10334
nopp 56
Years observed 1893-2025
rms 0.47
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.766
ep 0.181
sin(ip) 0.139
G 0.150
H 9.180
Mass
D 42.46 0.293
pV 0.230 0.0125
Value
Rotational Period 13.200
Period quality 3
Spectral Class S
Spectral Class Score 8.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
351 Yrsa -1 Irsa -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7660 0.1812 0.1392 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
39.59 2.200 2.200 Tedesco 2002AJ....123.1056T STM
39.72 0.440 0.440 Masiero 2014ApJ...791..121M NEATM
40.55 2.316 2.316 Ryan&Woodward 2010AJ....140..933R IRAS-STM
40.94 4.090 4.090 Ali-Lagoa 2018A&A...612A..85A NEATM
41.17 2.430 2.430 Masiero 2012ApJ...759L...8M NEATM
42.30 1.600 1.600 Hanus 2018Icar..309..297H RADIOMETRY_TPM
42.60 0.900 0.900 Hanus 2018Icar..309..297H RADIOMETRY_TPM
44.45 4.440 4.440 Ali-Lagoa 2018A&A...612A..85A NEATM
44.55 0.550 0.550 Usui 2011PASJ...63.1117U NEATM
51.60 1.106 1.106 Masiero 2011ApJ...741...68M NEATM
53.30 3.656 3.656 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.162 0.0215 0.0215 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.171 0.0461 0.0461 Masiero 2011ApJ...741...68M NEATM
0.237 0.0470 0.0470 Ali-Lagoa 2018A&A...612A..85A NEATM
0.267 0.0480 0.0480 Masiero 2012ApJ...759L...8M NEATM
0.278 0.0308 0.0308 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.280 0.0560 0.0560 Ali-Lagoa 2018A&A...612A..85A NEATM
0.288 0.0340 0.0340 Tedesco 2002AJ....123.1056T STM
0.290 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
9.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.29 3 Synodic Denchev 2000P&SS...48..987D Lightcurve
13.29 3 Synodic Denchev LCDB Lightcurve
13.308 3 Synodic Behrend LCDB Lightcurve
13.312 2 Sidereal Hanus 2013A&A...551A..67H Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Clark 1995Icar..113..387C PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT