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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844785926356136 5.161e-08  
a 2.551722815172984 1.5e-08 au
q 2.080984581433686 1.3704e-07 au
i 6.014457539033417 7.2908e-06 deg
node 29.08571990992187 3.5049e-05 deg
peri 66.52070997904706 4.1857e-05 deg
M 357.5403802581065 2.2713e-05 deg
tp 2458610.672182454967
(2019-May-07.17218246)
9.3987e-05 TDB
period 1488.842206547314
4.08
1.3128e-05
3.594e-08
d
yr
n .241798626084664 2.1321e-09 deg/d
Q 3.022461048912283 1.7767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      16546 days (45.30 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:58:47  

Additional Information
 Earth MOID = 1.10631 au 
 Jupiter MOID = 2.18927 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839151288325904 5.1328e-08  
q 2.082266732262273 1.3599e-07 au
tp 2457123.452166032913
(2015-Apr-10.95216603)
8.7438e-05 TDB
node 29.11056081626971 3.5071e-05 deg
peri 66.86657712696247 4.1929e-05 deg
i 6.013112427550516 7.2873e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      16546 days (45.30 yr)  
   first obs. used      1973-09-24  
   last obs. used      2019-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:58:47  

Additional Information
 Jupiter MOID = 2.18927 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.634599780848483E-15 -6.956714359193265E-15 -3.272130765660162E-12 4.096241933460367E-14 -8.375597924858199E-13 -3.109284173118539E-15
q -6.956714359193265E-15 1.849372739491721E-14 8.835276963234551E-12 -1.096788486008904E-13 2.261632769971521E-12 8.384323441787851E-15
tp -3.272130765660162E-12 8.835276963234551E-12 7.645425856075073E-9 -7.331897198677513E-11 2.017751112360298E-9 8.287546386269996E-12
node 4.096241933460367E-14 -1.096788486008904E-13 -7.331897198677513E-11 1.22997963058856E-9 -1.24103709514046E-9 7.271673022999398E-11
peri -8.375597924858199E-13 2.261632769971521E-12 2.017751112360298E-9 -1.24103709514046E-9 1.758013391456332E-9 -7.023456302985993E-11
i -3.109284173118539E-15 8.384323441787851E-15 8.287546386269996E-12 7.271673022999398E-11 -7.023456302985993E-11 5.310437953888073E-11

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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