Ywain

09501, 1994 VH3, 1994VH3, 2071 T-2, 2071T-2, J94V03H, T2S2071

All data for this body: [vot]

MPC data
Name (number) Ywain (9501)
a 2.58985
e 0.26664
i / sin(i) 3.0688 / 0.05353
q 1.89930
Q 3.28040
ω 116.3498
Node 212.8870
m 156.7696
n 0.2365
Epoch 2460800.5
nobs 1890
nopp 23
Years observed 1973-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.590
ep 0.237
sin(ip) 0.070
G 0.150
H 15.040
Mass
D 5.80 0.071
pV 0.066 0.0045
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 6.460
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5896 0.2368 0.0700 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.30 1.510 1.510 Masiero 2021PSJ.....2..162M NEATM
5.50 1.280 1.280 Nugent 2016AJ....152...63N NEATM
5.69 1.480 1.480 Masiero 2021PSJ.....2..162M NEATM
5.76 0.074 0.074 Masiero 2011ApJ...741...68M NEATM
5.89 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM
7.58 0.550 0.550 Usui 2011PASJ...63.1117U NEATM
7.97 1.590 1.590 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.058 0.0240 0.0400 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.067 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.069 0.0270 0.0450 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0054 0.0054 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
15.04 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
C C 0.5266 0.5266 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT