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

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3630533676332317 5.539e-08  
a 1.427286038264702 4.4485e-09 au
q .9091050354968081 8.0569e-08 au
i 11.14936247222474 5.5912e-06 deg
node 180.1611448729632 2.6214e-05 deg
peri 63.32441784450869 2.7129e-05 deg
M 136.7127693009807 1.3256e-05 deg
tp 2458363.978005262491
(2018-Sep-02.47800526)
2.1949e-05 TDB
period 622.8234461262741
1.71
2.9118e-06
7.972e-09
d
yr
n .5780129220231891 2.7023e-09 deg/d
Q 1.945467041032595 6.0636e-09 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      10566 days (28.93 yr)  
   first obs. used      1991-02-20  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-26 05:59:03  

Additional Information
 Earth MOID = .0389704 au 
 Jupiter MOID = 3.10718 au 
 T_jup = 4.603 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.0   n/a MPO432209  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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