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86361 (1999 XE178)
Classification: Main-belt Asteroid          SPK-ID: 2086361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2707312423527169 4.2568e-08  
a 3.195321010932908 2.4331e-08 au
q 2.330247783927303 1.4087e-07 au
i 11.71607501737773 8.2271e-06 deg
node 314.1779135593971 2.4919e-05 deg
peri 82.47521695644195 3.0922e-05 deg
M 258.3279967485839 1.6531e-05 deg
tp 2459589.708562371441
(2022-Jan-10.20856237)
0.00010007 TDB
period 2086.2683498937
5.71
2.3829e-05
6.524e-08
d
yr
n .1725569004669714 1.971e-09 deg/d
Q 4.060394237938514 3.0919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      7585 days (20.77 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:48:56  

Additional Information
 Earth MOID = 1.37197 au 
 Jupiter MOID = 1.72436 au 
 T_jup = 3.106 
[ 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 13.9   n/a MPO348046  

86361 (1999 XE178)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 XE178 = 1998 QG14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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