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216960 (2000 AD51)
Classification: Main-belt Asteroid          SPK-ID: 2216960
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2509295841367578 4.014e-08  
a 3.093163898252237 2.3087e-08 au
q 2.316997567596971 1.2541e-07 au
i 12.41350015627963 4.7933e-06 deg
node 309.0903790751658 2.0894e-05 deg
peri 86.59258616135666 2.5091e-05 deg
M .2794718183101499 9.6319e-06 deg
tp 2459198.957453212311
(2020-Dec-15.45745321)
5.3173e-05 TDB
period 1987.022687746595
5.44
2.2246e-05
6.091e-08
d
yr
n .1811755860766049 2.0284e-09 deg/d
Q 3.869330228907504 2.888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      8227 days (22.52 yr)  
   first obs. used      1998-08-04  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:57  

Additional Information
 Earth MOID = 1.36257 au 
 Jupiter MOID = 1.88379 au 
 T_jup = 3.140 
[ 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 14.67   n/a MPCxxxxx  
diameter diameter 8.387 km 2.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.024   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

216960 (2000 AD51)          Discovered 2000-Jan-03 by LINEAR at Socorro
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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