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JPL Small-Body Database Browser
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7661 Reincken (1994 PK38)
Classification: Main-belt Asteroid          SPK-ID: 2007661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01398065168458572 5.8885e-08  
a 2.879047511308186 1.62e-08 au
q 2.838796550869213 1.6723e-07 au
i 2.469947504552435 6.5863e-06 deg
node 154.1239500477811 0.00011901 deg
peri 83.04735552379928 0.00029153 deg
M 190.6585421911961 0.00026857 deg
tp 2459839.829462260151
(2022-Sep-17.32946226)
0.0013319 TDB
period 1784.315608968057
4.89
1.506e-05
4.123e-08
d
yr
n .2017580287874087 1.7029e-09 deg/d
Q 2.919298471747159 1.6426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      14806 days (40.54 yr)  
   first obs. used      1979-06-25  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 20:56:19  

Additional Information
 Earth MOID = 1.82725 au 
 Jupiter MOID = 2.04576 au 
 T_jup = 3.293 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO350864  

7661 Reincken (1994 PK38)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1994 PK38 = 1979 OV2 = 1997 ED26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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