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20754 (2000 AD244)
Classification: Main-belt Asteroid          SPK-ID: 2020754
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07621821869389349 3.2207e-08  
a 3.090561074416465 1.9383e-08 au
q 2.855004014559756 1.0948e-07 au
i 12.93623522405237 5.1921e-06 deg
node 174.9753472928911 1.3374e-05 deg
peri 271.7546897508649 3.934e-05 deg
M 278.6783889044063 3.8675e-05 deg
tp 2459648.788807278722
(2022-Mar-10.28880728)		 0.0002148 TDB
period 1984.515166953996
5.43		 1.8669e-05
5.111e-08		 d
yr
n .1814045092699185 1.7066e-09 deg/d
Q 3.326118134273174 2.086e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1536  
   data-arc span      10837 days (29.67 yr)  
   first obs. used      1991-04-09  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51343  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:30:19  

Additional Information
 Earth MOID = 1.9087 au 
 Jupiter MOID = 1.87263 au 
 T_jup = 3.182 
[ show covariance matrix ]

[ 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 13.73   n/a E2021B10  

20754 (2000 AD244)          Discovered 2000-Jan-08 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 AD244 = 1998 WM8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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