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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3342346968999609 8.265e-08  
a 2.168023733362458 1.867e-08 AU
q 1.443394977970135 1.8462e-07 AU
i 8.960791482179983 8.4467e-06 deg
node 33.21193499479679 4.188e-05 deg
peri 314.3944291046567 4.3165e-05 deg
M 15.74999050507946 1.9431e-05 deg
tp 2456749.488009447128
(2014-Apr-01.98800945)
6.2366e-05 JED
period 1165.989058413172
3.19
1.5062e-05
4.124e-08
d
yr
n .3087507531931168 3.9883e-09 deg/d
Q 2.892652488754781 2.4911e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      27632 days (75.65 yr)  
   first obs. used      1937-11-07  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53195  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-21 10:39:15  

Additional Information
 Earth MOID = .455235 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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