Ostro

03169, 1981 LA, 1981LA, J81L00A

All data for this body: [vot]

MPC data
Name (number) Ostro (3169)
a 1.89193
e 0.06673
i / sin(i) 24.9073 / 0.42115
q 1.76569
Q 2.01817
ω 32.7232
Node 96.3390
m 100.8780
n 0.3787
Epoch 2460800.5
nobs 13963
nopp 24
Years observed 1953-2025
rms 0.36
Best values
[raw, vot]

Value Standard error
Parent Hungaria (434)
 
ap 1.892
ep 0.075
sin(ip) 0.380
G 0.150
H 12.850
Mass 1.860e+14 6.200e+13
D 4.82 0.061
pV 0.840 0.0199
Value
Rotational Period 6.500
Period quality 3
Spectral Class L
Spectral Class Score 24.427
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
434 Hungaria 0 Hungaria Novakovic 2019EPSC...13.1671N HCM
434 Hungaria 3 Hungaria -5.7600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8919 0.0750 0.3795 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.8600e+14 6.2000e+13 6.2000e+13 Carry 2012P&SS...73...98C Derived
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.22 0.130 0.130 Masiero 2012ApJ...759L...8M NEATM
4.66 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
5.15 0.085 0.085 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.423 0.0666 0.0666 Masiero 2011ApJ...741...68M NEATM
0.510 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.960 0.0230 0.0230 Masiero 2012ApJ...759L...8M 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
12.85 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.0 Synodic Behrend LCDB Lightcurve
6.482 2 Synodic Descamps 2005CBET..320....1D Lightcurve
6.483 3 Synodic Wisniewski 1991Icar...90..117W Lightcurve
6.483 3 Synodic Wisniewski 1991Icar...90..117W Lightcurve
6.49618 3 Synodic Hamanowa LCDB Lightcurve
6.502 3 Synodic Warner 2017MPBu...44..213W Lightcurve
6.503 3 Synodic Warner 2012MPBu...39..245W Lightcurve
6.504 3 Synodic Warner 2009MPBu...36..109W Lightcurve
6.50789 3- Synodic Behrend LCDB Lightcurve
6.50872 3 Synodic Behrend LCDB Lightcurve
6.509 3 Synodic Descamps 2007Icar..189..362D Lightcurve
6.509 3 Synodic Warner 2014MPBu...41..102W Lightcurve
6.509 3 Synodic Warner 2017MPBu...44..213W Lightcurve
6.50916 2 Sidereal Durech 2020A&A...643A..59D Model
6.50916 2 Sidereal Wang 2021AN....342..914W Model
6.5092 2 Sidereal Durech 2023A&A...675A..24D Model
6.51 3- Synodic Behrend LCDB Lightcurve
6.512 3 Synodic Warner 2018MPBu...45...19W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B S 0.820000 0.180000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
C Bus VIS Carvano 2001Icar..149..173C SPEC
C Tholen VIS Lazzaro 2004Icar..172..179L SPEC
Cb Bus VIS Lazzaro 2004Icar..172..179L SPEC
D 0.31 Bus VIS Carvano 2010A&A...510A..43C PHOT
E 0.950000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L L 0.5711 0.5700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L Xe Bus-DeMeo VISNIR Lucas 2017Icar..291..268L SPEC
X 0.897 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Xe Bus VIS Bus 2002Icar..158..146B SPEC