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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457145.5 (2015-May-03.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798248822922691 4.7722e-08  
q 2.303121750116781 1.319e-07 au
tp 2456763.238231602307
(2014-Apr-15.73823160)
6.423e-05 TDB
node 248.2015506869712 4.2519e-05 deg
peri 238.7235777888213 4.4787e-05 deg
i 6.806740525344412 4.9833e-06 deg
  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
 Jupiter MOID = 1.82488 au 
 T_jup = 3.287 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.277351386684717E-15 -6.251032210827037E-15 -2.352232992760061E-13 7.293114756868654E-15 -1.033082731240663E-13 -2.527321820987723E-15
q -6.251032210827037E-15 1.739645625807565E-14 3.590468152327718E-13 -1.779003782404621E-14 2.314759335483797E-13 7.377055648495616E-15
tp -2.352232992760061E-13 3.590468152327718E-13 4.125467159642371E-9 -6.55739263006726E-12 9.295311914490212E-10 -1.091655455373594E-12
node 7.293114756868654E-15 -1.779003782404621E-14 -6.55739263006726E-12 1.807873301756957E-9 -1.7960847713248E-9 1.865487901764142E-11
peri -1.033082731240663E-13 2.314759335483797E-13 9.295311914490212E-10 -1.7960847713248E-9 2.005850588342218E-9 -1.867149753183513E-11
i -2.527321820987723E-15 7.377055648495616E-15 -1.091655455373594E-12 1.865487901764142E-11 -1.867149753183513E-11 2.483360054721921E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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