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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456802.5 (2014-May-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126877547552185 3.5109e-08  
q 2.61757936445549 1.084e-07 au
tp 2457152.103984053571
(2015-May-09.60398405)
0.00011795 TDB
node 173.5805675673675 0.00014156 deg
peri 207.8429262379439 0.00014344 deg
i 1.752327845236792 4.7178e-06 deg
  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
 Jupiter MOID = 2.17329 au 
 T_jup = 3.260 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.232640238018216E-15 -3.756639545271596E-15 -8.356196183180762E-13 -3.567116843081576E-15 -1.323827065776698E-13 -3.290882140359293E-16
q -3.756639545271596E-15 1.175047367703172E-14 2.125884352009842E-12 1.112238370997249E-14 3.087692528957075E-13 1.069940107848266E-15
tp -8.356196183180762E-13 2.125884352009842E-12 1.39117263983394E-8 5.048909013920987E-11 2.752976920189472E-9 8.852088275675392E-14
node -3.567116843081576E-15 1.112238370997249E-14 5.048909013920987E-11 2.003807509606624E-8 -2.001833692556685E-8 -2.308819561977773E-10
peri -1.323827065776698E-13 3.087692528957075E-13 2.752976920189472E-9 -2.001833692556685E-8 2.057404840396542E-8 2.307799520172998E-10
i -3.290882140359293E-16 1.069940107848266E-15 8.852088275675392E-14 -2.308819561977773E-10 2.307799520172998E-10 2.225793204050801E-11

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

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