Westphalia

00930, 1916 DD, 1916DD, 1920 EE, 1920EE, J16D00D, J20E00E

All data for this body: [vot]

MPC data
Name (number) Westphalia (930)
a 2.43257
e 0.14310
i / sin(i) 15.3341 / 0.26445
q 2.08448
Q 2.78067
ω 330.6666
Node 340.8408
m 139.6084
n 0.2598
Epoch 2460800.5
nobs 10608
nopp 41
Years observed 1920-2025
rms 0.43
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.431
ep 0.024
sin(ip) 0.265
G 0.150
H 11.350
Mass
D 36.82 0.098
pV 0.033 0.0009
Value
Rotational Period 100.600
Period quality 2
Spectral Class Ch
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4310 0.0236 0.2646 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.09 9.640 9.640 Masiero 2021PSJ.....2..162M NEATM
34.92 0.150 0.150 Masiero 2014ApJ...791..121M NEATM
35.34 1.130 1.130 Nugent 2016AJ....152...63N NEATM
35.49 8.850 8.850 Masiero 2021PSJ.....2..162M NEATM
35.60 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
35.80 9.660 9.660 Masiero 2021PSJ.....2..162M NEATM
35.90 10.369 10.369 Masiero 2017AJ....154..168M NEATM
36.48 1.400 1.400 Tedesco 2002AJ....123.1056T STM
36.80 9.680 9.680 Masiero 2020PSJ.....1....5M NEATM
37.40 1.708 1.708 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
37.69 7.540 7.540 Ali-Lagoa 2018A&A...612A..85A NEATM
38.11 12.566 12.566 Masiero 2017AJ....154..168M NEATM
38.18 19.740 19.740 Nugent 2016AJ....152...63N NEATM
39.51 1.470 1.470 Usui 2011PASJ...63.1117U NEATM
39.62 14.020 14.020 Masiero 2020PSJ.....1....5M NEATM
40.03 9.610 9.610 Masiero 2020PSJ.....1....5M NEATM
40.65 3.109 3.109 Ryan&Woodward 2010AJ....140..933R IRAS-STM
43.33 8.670 8.670 Ali-Lagoa 2018A&A...612A..85A NEATM
44.52 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.028 0.0160 0.0160 Masiero 2020PSJ.....1....5M NEATM
0.029 0.0043 0.0043 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.030 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.030 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.031 0.0120 0.0190 Masiero 2021PSJ.....2..162M NEATM
0.031 0.0178 0.0178 Masiero 2017AJ....154..168M NEATM
0.032 0.0010 0.0010 Masiero 2012ApJ...759L...8M NEATM
0.032 0.0190 0.0190 Masiero 2020PSJ.....1....5M NEATM
0.033 0.0120 0.0180 Masiero 2021PSJ.....2..162M NEATM
0.034 0.0140 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.035 0.0034 0.0034 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.035 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A NEATM
0.037 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.037 0.0193 0.0193 Masiero 2017AJ....154..168M NEATM
0.038 0.0059 0.0059 Masiero 2011ApJ...741...68M NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.040 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM
0.046 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A 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
11.35 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
100.66 2 Synodic Alvarez 2015MPBu...42..212A Lightcurve
103.0 1+ Synodic Behrend LCDB Lightcurve
173.604 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.920000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC