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JPL Small-Body Database Browser
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193806 (2001 PO21)
Classification: Main-belt Asteroid          SPK-ID: 2193806
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148595376064719 4.2777e-08  
a 2.168340936014827 8.8493e-09 au
q 1.846135499191179 9.0743e-08 au
i 2.417069446036685 3.8156e-06 deg
node 46.02473777284401 0.00014283 deg
peri 231.595088599034 0.00014425 deg
M 354.0196549367953 2.2899e-05 deg
tp 2459019.873742483388
(2020-Jun-19.37374248)
7.4242e-05 TDB
period 1166.244960835457
3.19
7.1394e-06
1.955e-08
d
yr
n .3086830057916037 1.8897e-09 deg/d
Q 2.490546372838475 1.0164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      9084 days (24.87 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60528  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:52:51  

Additional Information
 Earth MOID = .830939 au 
 Jupiter MOID = 2.61841 au 
 T_jup = 3.675 
[ 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 17.1   n/a MPO367236  

193806 (2001 PO21)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 PO21 = 2007 GG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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