Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
65690 (1991 DG)
Classification: Apollo [NEO, PHA]          SPK-ID: 2065690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 157 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3632474267540489 1.2343e-08  
a 1.427857346996701 1.2328e-09 au
q .9091918399282864 1.7949e-08 au
i 11.14295242655903 3.548e-06 deg
node 180.1329287628615 7.5053e-06 deg
peri 63.33478778880161 8.976e-06 deg
M 7.905113920679185 3.3401e-06 deg
tp 2458986.815425765574
(2020-May-17.31542577)
5.7788e-06 TDB
period 623.1974357138976
1.71
8.0709e-07
2.21e-09
d
yr
n .5776660483007373 7.4812e-10 deg/d
Q 1.946522854065116 1.6806e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      10835 days (29.66 yr)  
   first obs. used      1991-02-20  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-21 07:44:16  

Additional Information
 Earth MOID = .0388277 au 
 Jupiter MOID = 3.10596 au 
 T_jup = 4.602 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-22 04:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin