Watsonia

00729, 1912 CE, 1912CE, 1944 DP, 1944DP, J12C00E, J44D00P

All data for this body: [vot]

MPC data
Name (number) Watsonia (729)
a 2.75920
e 0.09635
i / sin(i) 18.0507 / 0.30986
q 2.49336
Q 3.02503
ω 87.1042
Node 124.3079
m 192.4279
n 0.2150
Epoch 2460800.5
nobs 16905
nopp 40
Years observed 1917-2025
rms 0.39
Best values
[raw, vot]

Value Standard error
Parent Watsonia (729)
 
ap 2.760
ep 0.123
sin(ip) 0.299
G 0.150
H 9.570
Mass
D 50.66 0.246
pV 0.130 0.0049
Value
Rotational Period 25.200
Period quality 3
Spectral Class L
Spectral Class Score 47.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
729 Watsonia 0 Watsonia Novakovic 2019EPSC...13.1671N HCM
729 Watsonia 537 Watsonia Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7600 0.1228 0.2991 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
49.15 1.500 1.500 Tedesco 2002AJ....123.1056T STM
50.02 0.410 0.410 Masiero 2014ApJ...791..121M NEATM
50.40 2.062 2.062 Ryan&Woodward 2010AJ....140..933R IRAS-STM
50.59 0.385 0.385 Masiero 2011ApJ...741...68M NEATM
51.54 5.150 5.150 Ali-Lagoa 2018A&A...612A..85A NEATM
51.93 0.650 0.650 Usui 2011PASJ...63.1117U NEATM
53.50 1.330 1.330 Masiero 2012ApJ...759L...8M NEATM
53.78 5.380 5.380 Ali-Lagoa 2018A&A...612A..85A NEATM
54.11 3.462 3.462 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.116 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.116 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.118 0.0158 0.0158 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.127 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.130 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.130 0.0233 0.0233 Masiero 2011ApJ...741...68M NEATM
0.133 0.0110 0.0110 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.138 0.0090 0.0090 Tedesco 2002AJ....123.1056T 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
9.57 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.71 2 Synodic Malcolm 2000MPBu...27...45M Lightcurve
25.164 3 Synodic Stephens 2014MPBu...41..226S Lightcurve
25.19 3- Synodic Devogele 2017A&A...607A.119D Lightcurve
25.1958 2 Sidereal Durech 2020A&A...643A..59D Model
25.196 2 Sidereal Durech 2023A&A...675A..24D Model
25.23 3 Synodic Stephens 2013MPBu...40..178S Lightcurve
30.17 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D Bus VIS Lazzaro 2004Icar..172..179L SPEC
D D 0.5516 0.5516 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
L Bus-DeMeo VISNIR Devogele 2018Icar..304...31D SPEC
L Bus VIS Bus 2002Icar..158..146B SPEC
L&D D DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
M 0.870000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
M 0.900000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
T Tholen VIS Lazzaro 2004Icar..172..179L SPEC
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT