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JPL Small-Body Database Browser
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85666 (1998 QP50)
Classification: Main-belt Asteroid          SPK-ID: 2085666
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1150279581178402 5.2188e-08  
a 2.276128405826255 9.3982e-09 au
q 2.014310002890046 1.178e-07 au
i 6.703207318149318 5.7842e-06 deg
node 357.4214479310056 3.387e-05 deg
peri 10.84413551730778 3.9009e-05 deg
M 344.334398913826 2.0197e-05 deg
tp 2458655.080577637162
(2019-Jun-20.58057764)
7.0506e-05 TDB
period 1254.277307413366
3.43
7.7684e-06
2.127e-08
d
yr
n .2870178690726776 1.7777e-09 deg/d
Q 2.537946808762464 1.0479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:13:10  

Additional Information
 Earth MOID = 1.01241 au 
 Jupiter MOID = 2.91417 au 
 T_jup = 3.591 
[ 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 15.5   n/a MPO449532  

85666 (1998 QP50)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 QP50 = 2000 DJ116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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