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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3342270308176385 6.5531e-08  
a 2.168386391782041 1.4905e-08 AU
q 1.443653046391357 1.4253e-07 AU
i 8.960105717330416 6.3953e-06 deg
node 33.20583450396606 3.9465e-05 deg
peri 314.4318575340373 4.0702e-05 deg
M 77.46824292845315 1.8151e-05 deg
tp 2456749.528364106001
(2014-Apr-02.02836411)
5.6538e-05 JED
period 1166.281633691928
3.19
1.2025e-05
3.292e-08
d
yr
n .3086732994846197 3.1826e-09 deg/d
Q 2.893119737172726 1.9887e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      28249 days (77.34 yr)  
   first obs. used      1937-11-07  
   last obs. used      2015-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:33:07  

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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