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215549 (2002 XQ85)
Classification: Main-belt Asteroid          SPK-ID: 2215549
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843018661832165 4.0434e-08  
a 2.551038467433772 1.286e-08 au
q 2.080877317180555 1.0491e-07 au
i 6.01477430631579 6.9039e-06 deg
node 29.07957060954478 3.064e-05 deg
peri 66.46237457228703 3.7419e-05 deg
M 94.34779071017512 2.0649e-05 deg
tp 2458610.465366574713
(2019-May-06.96536657)
8.3946e-05 TDB
period 1488.243306771572
4.07
1.1253e-05
3.081e-08
d
yr
n .2418959308346856 1.8291e-09 deg/d
Q 3.021199617686989 1.523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      17016 days (46.59 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:19:39  

Additional Information
 Earth MOID = 1.10613 au 
 Jupiter MOID = 2.1897 au 
 T_jup = 3.409 
[ 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 15.8   n/a MPO321053  

215549 (2002 XQ85)          Discovered 2002-Dec-11 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2002 XQ85 = 4036 T-2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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