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216926 (1998 QR88)
Classification: Main-belt Asteroid          SPK-ID: 2216926
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258153685324207 7.9745e-08  
a 2.400803394465292 1.3581e-08 au
q 1.858665091170226 1.9155e-07 au
i 7.965118699777905 7.8708e-06 deg
node 228.213763864304 4.1321e-05 deg
peri 140.3037301156294 4.2618e-05 deg
M 344.4055237590131 1.3512e-05 deg
tp 2459259.357473239709
(2021-Feb-13.85747324)
5.1351e-05 TDB
period 1358.730491416258
3.72
1.1529e-05
3.156e-08
d
yr
n .2649532061540461 2.2482e-09 deg/d
Q 2.942941697760359 1.6647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1998-08-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:49  

Additional Information
 Earth MOID = .865318 au 
 Jupiter MOID = 2.55706 au 
 T_jup = 3.478 
[ 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 16.15   n/a MPCxxxxx  

216926 (1998 QR88)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20090806/Numbers.arcLast Updated: 2009-08-09

[ show close-approach data ]
Alternate Designations
 1998 QR88 = 2002 TO265 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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