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103201 (1999 XB250)
Classification: Main-belt Asteroid          SPK-ID: 2103201
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 .1778500959169925 4.7608e-08  
a 2.812705648593993 1.8821e-08 au
q 2.312465679205285 1.3123e-07 au
i 6.797128914405657 4.9771e-06 deg
node 248.1480406673419 4.2584e-05 deg
peri 239.2446540367342 4.4909e-05 deg
M 149.7235533939029 1.3108e-05 deg
tp 2458483.907134716499
(2018-Dec-31.40713472)
6.242e-05 TDB
period 1722.998323606215
4.72
1.7294e-05
4.735e-08
d
yr
n .2089381022997888 2.0972e-09 deg/d
Q 3.312945617982701 2.2169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      1999-12-06  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:45:36  

Additional Information
 Earth MOID = 1.33649 au 
 Jupiter MOID = 1.82488 au 
 T_jup = 3.287 
[ 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 15.22   n/a E2021B55  
diameter diameter 5.627 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103201 (1999 XB250)          Discovered 1999-Dec-06 by LINEAR at Socorro
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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