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88161 (2000 XK18)
Classification: Main-belt Asteroid          SPK-ID: 2088161
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2548640545178298 2.8167e-08  
a 2.803000557244165 1.4843e-08 au
q 2.088616470409181 7.9262e-08 au
i 13.99931994456549 7.3907e-07 deg
node 298.0675834103906 2.8646e-06 deg
peri 72.47101122593348 3.7813e-06 deg
M 131.8391992129688 4.9771e-06 deg
tp 2458572.766568462407
(2019-Mar-30.26656846)
1.9394e-05 TDB
period 1714.088349311696
4.69
1.3615e-05
3.728e-08
d
yr
n .2100241799931494 1.6683e-09 deg/d
Q 3.517384644079149 1.8626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1755  
   data-arc span      14392 days (39.40 yr)  
   first obs. used      1981-10-23  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:12:06  

Additional Information
 Earth MOID = 1.1344 au 
 Jupiter MOID = 2.19583 au 
 T_jup = 3.234 
[ 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 13.08   n/a MPCxxxxx  
rotation period rot_per 6.806 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Durkee, R.I. (2010) Minor Planet Bull. 37, 18-19.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

88161 (2000 XK18)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2000 XK18 = 1981 US12 = 2001 XR16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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