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180389 (2004 AD2)
Classification: Main-belt Asteroid          SPK-ID: 2180389
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 .1500969705450872 5.0092e-08  
a 2.38549471725045 1.2396e-08 au
q 2.027439186939848 1.1816e-07 au
i 1.670463695549023 4.6807e-06 deg
node 84.59416976532675 0.00017916 deg
peri 55.77862798893285 0.00017994 deg
M 195.9988827172225 1.7099e-05 deg
tp 2459813.570503544280
(2022-Aug-22.07050354)
6.6011e-05 TDB
period 1345.75535174795
3.68
1.049e-05
2.872e-08
d
yr
n .2675077602570258 2.0852e-09 deg/d
Q 2.743550247561052 1.4257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      8537 days (23.37 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:19  

Additional Information
 Earth MOID = 1.04097 au 
 Jupiter MOID = 2.27317 au 
 T_jup = 3.520 
[ 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 17.24   n/a E2021B55  

180389 (2004 AD2)          Discovered 2004-Jan-13 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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