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37659 (1994 PM20)
Classification: Main-belt Asteroid          SPK-ID: 2037659
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100279522522313 3.4505e-08  
a 2.949080528313329 2.0064e-08 au
q 2.624599236756085 1.0648e-07 au
i 1.753206016040539 4.7029e-06 deg
node 173.4821105557077 0.00014198 deg
peri 210.0510587981351 0.00014401 deg
M 357.1371260822546 2.3569e-05 deg
tp 2459015.210522395041
(2020-Jun-14.71052240)
0.0001211 TDB
period 1849.815330458312
5.06
1.8877e-05
5.168e-08
d
yr
n .1946140212335715 1.986e-09 deg/d
Q 3.273561819870573 2.2271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      10016 days (27.42 yr)  
   first obs. used      1992-03-26  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57194  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:58:12  

Additional Information
 Earth MOID = 1.62812 au 
 Jupiter MOID = 2.17329 au 
 T_jup = 3.260 
[ 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 14.9   n/a MPO493114  

37659 (1994 PM20)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 PM20 = 1999 RY148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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