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192578 (1998 XU61)
Classification: Main-belt Asteroid          SPK-ID: 2192578
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897672986786621 4.3322e-08  
a 2.26548942568258 1.1446e-08 au
q 1.835573617185724 9.6822e-08 au
i 5.415028796575853 4.9407e-06 deg
node 80.77298855090504 7.1801e-05 deg
peri 4.232954127208938 7.4314e-05 deg
M 151.8677712903756 2.0086e-05 deg
tp 2458675.082413928436
(2019-Jul-10.58241393)
6.7544e-05 TDB
period 1245.493559157474
3.41
9.4392e-06
2.584e-08
d
yr
n .2890420406858832 2.1906e-09 deg/d
Q 2.695405234179437 1.3618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7850 days (21.49 yr)  
   first obs. used      1998-11-23  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61776  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:43  

Additional Information
 Earth MOID = .851445 au 
 Jupiter MOID = 2.52642 au 
 T_jup = 3.587 
[ 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 17.27   n/a E2021B55  

192578 (1998 XU61)          Discovered 1998-Dec-15 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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