Washingtonia

00886, 1910 LA, 1910LA, 1916 NA, 1916NA, 1917 UD, 1917UD, 1917 WA, 1917WA, 1945 WA, 1945WA, 1952 BN, 1952BN, J10L00A, J16N00A, J17U00D, J17W00A, J45W00A, J52B00N

All data for this body: [vot]

MPC data
Name (number) Washingtonia (886)
a 3.17012
e 0.27214
i / sin(i) 16.8657 / 0.29013
q 2.30740
Q 4.03284
ω 302.4979
Node 58.8401
m 55.9627
n 0.1746
Epoch 2460800.5
nobs 8389
nopp 46
Years observed 1910-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.165
ep 0.235
sin(ip) 0.282
G 0.150
H 9.410
Mass
D 90.28 0.601
pV 0.067 0.0030
Value
Rotational Period 9.000
Period quality 3
Spectral Class C
Spectral Class Score 15.086
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1646 0.2352 0.2821 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
78.75 22.780 22.780 Masiero 2020PSJ.....1....5M NEATM
80.16 3.433 3.433 Ryan&Woodward 2010AJ....140..933R MSX-STM
81.55 6.436 6.436 Ryan&Woodward 2010AJ....140..933R IRAS-STM
86.79 0.860 0.860 Masiero 2014ApJ...791..121M NEATM
90.56 12.600 12.600 Tedesco 2002AJ....123.1056T STM
90.79 3.069 3.069 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
90.88 9.090 9.090 Ali-Lagoa 2018A&A...612A..85A NEATM
93.25 1.410 1.410 Masiero 2011ApJ...741...68M NEATM
94.76 9.480 9.480 Ali-Lagoa 2018A&A...612A..85A NEATM
95.68 26.530 26.530 Masiero 2020PSJ.....1....5M NEATM
96.57 1.250 1.250 Usui 2011PASJ...63.1117U NEATM
97.16 6.689 6.689 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0220 0.0220 Masiero 2020PSJ.....1....5M NEATM
0.041 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.045 0.0090 0.0090 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM
0.067 0.0080 0.0080 Masiero 2011ApJ...741...68M NEATM
0.071 0.0250 0.0250 Tedesco 2002AJ....123.1056T STM
0.072 0.0051 0.0051 Ryan&Woodward 2010AJ....140..933R MSX-NEATM
0.080 0.0231 0.0231 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.080 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.092 0.0081 0.0081 Ryan&Woodward 2010AJ....140..933R MSX-STM
0.115 0.0347 0.0347 Ryan&Woodward 2010AJ....140..933R IRAS-STM
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
9.41 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.001 3 Synodic Warner 2003MPBu...30...61W Lightcurve
9.00418 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 Bus VIS Bus 2002Icar..158..146B SPEC
C 0.856 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC