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321203 (2008 YA25)
Classification: Main-belt Asteroid          SPK-ID: 2321203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225351640017704 5.052e-07  
a 2.539283734552929 4.273e-08 au
q 1.967051980501146 1.2915e-06 au
i 4.879000166361254 1.3691e-05 deg
node 145.1978913862463 0.00014366 deg
peri 237.9413956389786 0.0001582 deg
M 350.721971251231 0.00010001 deg
tp 2459038.590658982063
(2020-Jul-08.09065898)
0.00041076 TDB
period 1477.968823427276
4.05
3.7306e-05
1.021e-07
d
yr
n .2435775330938258 6.1483e-09 deg/d
Q 3.111515488604712 5.236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1996-12-17  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:10:17  

Additional Information
 Earth MOID = .975319 au 
 Jupiter MOID = 2.35499 au 
 T_jup = 3.405 
[ 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 16.2   n/a MPO446501  

321203 (2008 YA25)          Discovered 2008-Dec-28 by Lowe, A. at Mayhill
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

Alternate Designations
 2008 YA25 = 2001 AA10 = 2005 AN33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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