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65690 (1991 DG)
Classification: Apollo [NEO, PHA]          SPK-ID: 2065690
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3629691045837765 7.1841e-08  
a 1.427260930470823 5.1428e-09 au
q .9092093085304208 1.0213e-07 au
i 11.15013235054211 7.6684e-06 deg
node 180.1682709329385 2.903e-05 deg
peri 63.30882147893547 3.1178e-05 deg
M 163.1017040250689 1.2809e-05 deg
tp 2457118.330875267374
(2015-Apr-05.83087527)
2.0879e-05 JED
period 622.8070118024772
1.71
3.3662e-06
9.216e-09
d
yr
n .5780281743426706 3.1242e-09 deg/d
Q 1.945312552411226 7.0095e-09 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      9050 days (24.78 yr)  
   first obs. used      1991-02-20  
   last obs. used      2015-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63863  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:38:46  

Additional Information
 Earth MOID = .0386694 au 
 Jupiter MOID = 3.10318 au 
 T_jup = 4.603 
[ 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 19.1 mag n/a MPO359199  

65690 (1991 DG)          Discovered 1991-Feb-20 by McNaught, R. H. at Siding Spring
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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