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344634 (2003 OW31)
Classification: Main-belt Asteroid          SPK-ID: 2344634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641383528646039 4.4984e-08  
a 2.554111325189931 2.1402e-08 au
q 2.134883699240425 1.2318e-07 au
i 7.25550938071504 4.3145e-06 deg
node 159.5072490839856 5.225e-05 deg
peri 182.9590787939424 5.6871e-05 deg
M 14.51089168588275 2.5589e-05 deg
tp 2458940.403419587366
(2020-Mar-31.90341959)
0.0001058 TDB
period 1490.933115405724
4.08
1.874e-05
5.131e-08
d
yr
n .2414595237573981 3.0349e-09 deg/d
Q 2.973338951139437 2.4915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      7342 days (20.10 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:30:55  

Additional Information
 Earth MOID = 1.12682 au 
 Jupiter MOID = 2.43039 au 
 T_jup = 3.408 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO437459  
rotation period rot_per 3.72 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

344634 (2003 OW31)          Discovered 2003-Jul-25 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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