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37660 (1994 PG22)
Classification: Main-belt Asteroid          SPK-ID: 2037660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105336055624378 3.6542e-08  
a 2.778692043325536 1.6622e-08 au
q 2.485995583686781 1.0371e-07 au
i 12.4098062599031 4.3649e-06 deg
node 340.9712852149187 1.8054e-05 deg
peri 274.191256218754 2.876e-05 deg
M 276.4048294792819 2.4424e-05 deg
tp 2459393.359934894964
(2021-Jun-27.85993489)
0.00011591 TDB
period 1691.839082105053
4.63
1.5181e-05
4.156e-08
d
yr
n .2127861945073841 1.9093e-09 deg/d
Q 3.071388502964291 1.8373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      9391 days (25.71 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:27:23  

Additional Information
 Earth MOID = 1.51012 au 
 Jupiter MOID = 2.11681 au 
 T_jup = 3.292 
[ 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 14.1   n/a MPO385055  
diameter diameter 4.839 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37660 (1994 PG22)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PG22 = 1999 RE210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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