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30717 (1937 UD)
Classification: Mars-crossing Asteroid          SPK-ID: 2030717
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3342270291721983 6.5641e-08  
a 2.168386392103641 1.4926e-08 AU
q 1.44365305017342 1.428e-07 AU
i 8.9601055546926 6.4256e-06 deg
node 33.20583451213721 3.9465e-05 deg
peri 314.4318574917626 4.0702e-05 deg
M 77.46824269733796 1.8159e-05 deg
tp 2456749.528364798905
(2014-Apr-02.02836480)
5.656e-05 JED
period 1166.281633951389
3.19
1.2042e-05
3.297e-08
d
yr
n .3086732994159495 3.1872e-09 deg/d
Q 2.893119734033863 1.9915e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      28223 days (77.27 yr)  
   first obs. used      1937-11-07  
   last obs. used      2015-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50837  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:36:23  

Additional Information
 Earth MOID = .456961 AU 
 T_jup = 3.602 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO266108  

30717 (1937 UD)          Discovered 1937-Oct-26 by Reinmuth, K. at Heidelberg
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1937 UD = 1999 AZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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