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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .334227010504187 7.8034e-08  
a 2.168386396147886 1.7417e-08 AU
q 1.44365309334543 1.7289e-07 AU
i 8.960105736680324 7.8928e-06 deg
node 33.2058354692909 4.0231e-05 deg
peri 314.4318565613976 4.1483e-05 deg
M 77.46823976816351 1.9297e-05 deg
tp 2456749.528373586339
(2014-Apr-02.02837359)
5.9856e-05 JED
period 1166.281637214227
3.19
1.4052e-05
3.847e-08
d
yr
n .3086732985523922 3.719e-09 deg/d
Q 2.893119698950342 2.3238e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      28121 days (76.99 yr)  
   first obs. used      1937-11-07  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50779  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:57:33  

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 (024)
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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