Smithsonian

03773, 1938 DA2, 1938DA2, 1971 TS, 1971TS, 1974 QO, 1974QO, 1981 YC2, 1981YC2, 1984 YY, 1984YY, J38D02A, J71T00S, J74Q00O, J81Y02C, J84Y00Y

All data for this body: [vot]

MPC data
Name (number) Smithsonian (3773)
a 2.16614
e 0.18351
i / sin(i) 1.3252 / 0.02313
q 1.76864
Q 2.56364
ω 286.7085
Node 63.4571
m 310.5879
n 0.3092
Epoch 2460800.5
nobs 4575
nopp 28
Years observed 1949-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.166
ep 0.126
sin(ip) 0.019
G 0.150
H 13.390
Mass
D 6.65 0.431
pV 0.221 0.0602
Value
Rotational Period 6.980
Period quality 3
Spectral Class S
Spectral Class Score 23.371
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1659 0.1261 0.0190 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.80 0.850 0.850 Nugent 2016AJ....152...63N NEATM
7.26 0.530 0.530 Usui 2011PASJ...63.1117U NEATM
7.49 1.500 1.500 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.179 0.0720 0.0720 Ali-Lagoa 2018A&A...612A..85A NEATM
0.320 0.1100 0.1100 Nugent 2016AJ....152...63N 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
13.39 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.9804 3 Synodic Stephens 2007MPBu...34...31S Lightcurve
6.98132 2 Sidereal Durech 2016A&A...587A..48D Model
6.98132 2 Sidereal Hanus 2016A&A...586A.108H Model
6.9814 2 Sidereal Durech 2023A&A...675A..24D Model
6.984 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
7.01 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.1926 0.3550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9635 0.3550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9656 0.3550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9721 0.3550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9939 0.3550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT