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101495 (1998 XJ3)
Classification: Main-belt Asteroid          SPK-ID: 2101495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112313456920916 3.5496e-08  
a 2.926832144010495 1.9904e-08 au
q 2.601276666017338 1.0055e-07 au
i 7.738674609782287 9.1616e-06 deg
node 173.7643108400913 3.3576e-05 deg
peri 279.3209983809325 5.6282e-05 deg
M 143.9235579410269 4.6597e-05 deg
tp 2458469.319607328288
(2018-Dec-16.81960733)
0.00023572 TDB
period 1828.921860517606
5.01
1.8657e-05
5.108e-08
d
yr
n .1968372776178179 2.0079e-09 deg/d
Q 3.252387622003652 2.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      10121 days (27.71 yr)  
   first obs. used      1992-09-23  
   last obs. used      2020-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:02  

Additional Information
 Earth MOID = 1.6317 au 
 Jupiter MOID = 1.94849 au 
 T_jup = 3.255 
[ 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 15.04   n/a E2021B55  
diameter diameter 3.539 km 0.732 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101495 (1998 XJ3)          Discovered 1998-Dec-10 by Sarounova, L. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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