Wilhelms

04826, 1982 YX, 1982YX, 1988 JO, 1988JO, J82Y00X, J88J00O

All data for this body: [vot]

MPC data
Name (number) Wilhelms (4826)
a 2.37924
e 0.19230
i / sin(i) 25.3151 / 0.42760
q 1.92170
Q 2.83678
ω 223.3319
Node 95.4883
m 326.1209
n 0.2686
Epoch 2460800.5
nobs 6643
nopp 27
Years observed 1982-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.379
ep 0.214
sin(ip) 0.408
G 0.150
H 12.720
Mass
D 6.94 0.062
pV 0.382 0.0380
Value
Rotational Period 15.000
Period quality 2
Spectral Class S
Spectral Class Score 20.944
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.3600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3794 0.2143 0.4076 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.42 0.092 0.092 Masiero 2011ApJ...741...68M NEATM
6.81 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
7.59 0.520 0.520 Usui 2011PASJ...63.1117U NEATM
7.86 1.570 1.570 Ali-Lagoa 2018A&A...612A..85A NEATM
7.93 0.120 0.120 Masiero 2012ApJ...759L...8M NEATM
9.70 2.920 2.920 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.160 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM
0.313 0.1250 0.1250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.338 0.0550 0.0550 Masiero 2012ApJ...759L...8M NEATM
0.460 0.1400 0.1400 Masiero 2014ApJ...791..121M NEATM
0.516 0.0717 0.0717 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
12.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.004 2 Synodic Dose 2022MPBu...49...44D Lightcurve
15.00425 2 Sidereal Durech 2020A&A...643A..59D Model
54.0 2 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Carvano 2001Icar..149..173C SPEC
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Sq Bus VIS Lazzaro 2004Icar..172..179L SPEC