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175998 (2000 QN168)
Classification: Main-belt Asteroid          SPK-ID: 2175998
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871463479579095 5.9578e-08  
a 2.173405074253085 9.8591e-09 au
q 1.766660251973431 1.3089e-07 au
i 3.149853343171908 4.5641e-06 deg
node 233.7664029356295 0.00010688 deg
peri 122.8284127010359 0.00010737 deg
M 111.425606289406 1.1772e-05 deg
tp 2458838.263718521713
(2019-Dec-20.76371852)		 3.7069e-05 TDB
period 1170.332975290096
3.20		 7.9634e-06
2.18e-08		 d
yr
n .30760476514025 2.0931e-09 deg/d
Q 2.580149896532739 1.1704e-08 au
   Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      8527 days (23.35 yr)  
   first obs. used      1997-11-06  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55233  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:42  

Additional Information
 Earth MOID = .763317 au 
 Jupiter MOID = 2.87378 au 
 T_jup = 3.662 
[ 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 17.3   n/a MPO436872  

175998 (2000 QN168)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 2000 QN168 = 1997 XZ5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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