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30577 (2001 OU103)
Classification: Inner Main-belt Asteroid          SPK-ID: 2030577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08150976083071232 4.2503e-08  
a 1.818183763361911 4.7565e-09 au
q 1.669984039663998 7.9052e-08 au
i 24.25325479254421 4.536e-06 deg
node 179.2933820785378 8.2308e-06 deg
peri 204.3666632713268 2.3857e-05 deg
M 293.6470324340713 2.4987e-05 deg
tp 2459365.549016125456
(2021-May-31.04901613)
6.2468e-05 TDB
period 895.4783483666553
2.45
3.514e-06
9.621e-09
d
yr
n .4020197703904699 1.5776e-09 deg/d
Q 1.966383487059825 5.1442e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      9384 days (25.69 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-10-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:37:55  

Additional Information
 Earth MOID = .675311 au 
 Jupiter MOID = 3.27867 au 
 T_jup = 3.936 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.78   n/a E2021B10  
diameter diameter 1.704 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 60.046 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.555   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30577 (2001 OU103)          Discovered 2001-Jul-29 by LONEOS at Anderson Mesa
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 OU103 = 1995 CQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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