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305583 (2008 YP46)
Classification: Main-belt Asteroid          SPK-ID: 2305583
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375818983869986 4.536e-08  
a 2.310550725308725 1.2185e-08 au
q 1.992660770201294 1.0267e-07 au
i 2.082556790439062 6.1062e-06 deg
node 20.06040270374028 0.00010854 deg
peri 142.1609948011326 0.00011038 deg
M 48.15755624103017 1.9431e-05 deg
tp 2458828.893541925067
(2019-Dec-11.39354193)
6.9049e-05 TDB
period 1282.837621530737
3.51
1.0148e-05
2.778e-08
d
yr
n .2806278783517687 2.2199e-09 deg/d
Q 2.628440680416155 1.3861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6684 days (18.30 yr)  
   first obs. used      2002-01-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54215  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:00:30  

Additional Information
 Earth MOID = 1.00113 au 
 Jupiter MOID = 2.34682 au 
 T_jup = 3.571 
[ 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 17.5   n/a MPO471209  

305583 (2008 YP46)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2008 YP46 = 2007 RE157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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