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186548 (2002 XQ8)
Classification: Main-belt Asteroid          SPK-ID: 2186548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397930490304128 4.7765e-08  
a 2.45990056001824 1.8534e-08 au
q 2.11602356042167 1.1662e-07 au
i .8152126206618413 5.7092e-06 deg
node 209.8269254058386 0.00049952 deg
peri 243.4205223759782 0.00050058 deg
M 224.9952030941978 3.3493e-05 deg
tp 2459728.971356223471
(2022-May-29.47135622)
0.00013348 TDB
period 1409.206877094848
3.86
1.5927e-05
4.361e-08
d
yr
n .2554628464077314 2.8872e-09 deg/d
Q 2.803777559614809 2.1125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      9896 days (27.09 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-04-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:43  

Additional Information
 Earth MOID = 1.13263 au 
 Jupiter MOID = 2.36241 au 
 T_jup = 3.477 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO325746  

186548 (2002 XQ8)          Discovered 2002-Dec-02 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 XQ8 = 2000 HA74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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