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192225 (2007 WT20)
Classification: Main-belt Asteroid          SPK-ID: 2192225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645370309105306 5.6278e-08  
a 2.80073901831862 2.4163e-08 au
q 2.3399137358892 1.4765e-07 au
i 8.245570132031578 4.7809e-06 deg
node 306.894297713093 5.2332e-05 deg
peri 10.70558115489339 5.712e-05 deg
M 80.0703071831562 2.5432e-05 deg
tp 2458819.718023831964
(2019-Dec-02.21802383)
0.00011877 TDB
period 1712.014306463531
4.69
2.2156e-05
6.066e-08
d
yr
n .2102786166218691 2.7213e-09 deg/d
Q 3.261564300748041 2.8139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7051 days (19.30 yr)  
   first obs. used      2001-09-19  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:15:13  

Additional Information
 Earth MOID = 1.32499 au 
 Jupiter MOID = 2.0363 au 
 T_jup = 3.290 
[ 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 15.73   n/a E2021B55  

192225 (2007 WT20)          Discovered 2007-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2007 WT20 = 2008 AZ61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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