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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843018639853066 3.9167e-08  
a 2.551038468039207 1.2623e-08 au
q 2.08087732328136 1.0121e-07 au
i 6.014774633166879 6.8924e-06 deg
node 29.07958049455936 2.957e-05 deg
peri 66.46236480764199 3.6433e-05 deg
M 94.34779031860958 2.0427e-05 deg
tp 2458610.465368054599
(2019-May-06.96536805)
8.3093e-05 TDB
period 1488.243307301376
4.07
1.1047e-05
3.025e-08
d
yr
n .2418959307485724 1.7955e-09 deg/d
Q 3.021199612797054 1.495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      17062 days (46.71 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51063  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:41:18  

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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