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193807 (2001 PM22)
Classification: Main-belt Asteroid          SPK-ID: 2193807
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221245988204873 4.2576e-08  
a 2.323168614059047 1.0742e-08 au
q 1.809176878275008 9.58e-08 au
i 9.987498865610394 3.8402e-06 deg
node 136.8285901445633 2.6173e-05 deg
peri 250.4082870548067 2.853e-05 deg
M 67.70545540965786 8.9345e-06 deg
tp 2458757.256811641511
(2019-Sep-30.75681164)
3.2569e-05 TDB
period 1293.360295403391
3.54
8.9703e-06
2.456e-08
d
yr
n .2783447128224376 1.9305e-09 deg/d
Q 2.837160349843086 1.3118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      7247 days (19.84 yr)  
   first obs. used      2000-03-25  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52016  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:09:20  

Additional Information
 Earth MOID = .840881 au 
 Jupiter MOID = 2.67574 au 
 T_jup = 3.523 
[ 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 16.5   n/a MPO503020  
diameter diameter 3.537 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193807 (2001 PM22)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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