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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3348053335958157 6.124e-08  
a 2.168042701513313 1.4847e-08 au
q 1.442170441583175 1.338e-07 au
i 8.97208092714436 6.2914e-06 deg
node 33.08788650546291 3.4662e-05 deg
peri 314.7812681600999 3.6117e-05 deg
M 262.2490085082842 1.9793e-05 deg
tp 2457917.105784200429
(2017-Jun-12.60578420)
6.7052e-05 JED
period 1166.004360393766
3.19
1.1977e-05
3.279e-08
d
yr
n .3087467013231632 3.1715e-09 deg/d
Q 2.893914961443451 1.9818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      28648 days (78.43 yr)  
   first obs. used      1937-11-07  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53738  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:56:38  

Additional Information
 Earth MOID = .454211 au 
 Jupiter MOID = 2.5567 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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