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168842 (2000 UP)
Classification: Main-belt Asteroid          SPK-ID: 2168842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2525156822100088 4.2986e-08  
a 2.345582987648866 1.4113e-08 au
q 1.753286499342522 9.9382e-08 au
i 8.066523449722943 4.6024e-06 deg
node 63.83222885526472 3.4408e-05 deg
peri 262.221636089672 3.5792e-05 deg
M 213.6141558098706 1.048e-05 deg
tp 2459534.045194015714
(2021-Nov-15.54519402)
4.1262e-05 TDB
period 1312.12325145445
3.59
1.1842e-05
3.242e-08
d
yr
n .2743644696494408 2.4762e-09 deg/d
Q 2.93787947595521 1.7677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      7133 days (19.53 yr)  
   first obs. used      2000-09-11  
   last obs. used      2020-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6182  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 11:07:40  

Additional Information
 Earth MOID = .7641 au 
 Jupiter MOID = 2.4542 au 
 T_jup = 3.505 
[ 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 16.5   n/a MPO469799  

168842 (2000 UP)          Discovered 2000-Oct-20 by Kusnirak, P. at Ondrejov
Reference: 20071124/Numbers.arcLast Updated: 2007-11-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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