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376886 (2001 XR46)
Classification: Main-belt Asteroid          SPK-ID: 2376886
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2156970384116827 4.8698e-08  
a 2.550786515853096 1.586e-08 au
q 2.000589418763128 1.27e-07 au
i 12.73098492954566 9.7318e-06 deg
node 68.95239716056807 1.7865e-05 deg
peri 63.5012850475089 3.1065e-05 deg
M 173.3087438775807 2.6215e-05 deg
tp 2458284.146199284416
(2018-Jun-14.64619928)
0.00010429 TDB
period 1488.022834207217
4.07
1.3878e-05
3.8e-08
d
yr
n .2419317712901896 2.2564e-09 deg/d
Q 3.100983612943063 1.9281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6456 days (17.68 yr)  
   first obs. used      2001-11-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:49:22  

Additional Information
 Earth MOID = 1.05119 au 
 Jupiter MOID = 2.09931 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457634.5 (2016-Sep-03.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2147469663109512 4.8834e-08  
q 2.002531219581182 1.279e-07 au
tp 2458281.898683491189
(2018-Jun-12.39868349)
0.00010511 TDB
node 69.01116689258097 1.7825e-05 deg
peri 63.07461984628857 3.1229e-05 deg
i 12.74639407082807 9.7408e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      6456 days (17.68 yr)  
   first obs. used      2001-11-24  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:49:22  

Additional Information
 Jupiter MOID = 2.09931 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.384794383195146E-15 -6.216358594180142E-15 -3.172649486071547E-12 1.374741956234909E-15 -8.103783138201649E-13 -3.567506867402415E-15
q -6.216358594180142E-15 1.635913480189562E-14 8.948533569797914E-12 -4.212473189881962E-15 2.257536015760141E-12 1.07545089708372E-14
tp -3.172649486071547E-12 8.948533569797914E-12 1.104764982687582E-8 -1.021992995643291E-12 2.693299770612531E-9 1.467701928988571E-11
node 1.374741956234909E-15 -4.212473189881962E-15 -1.021992995643291E-12 3.177249843841172E-10 -3.095276251008378E-10 9.194929353636924E-12
peri -8.103783138201649E-13 2.257536015760141E-12 2.693299770612531E-9 -3.095276251008378E-10 9.75261337087398E-10 -5.415715726449482E-12
i -3.567506867402415E-15 1.07545089708372E-14 1.467701928988571E-11 9.194929353636924E-12 -5.415715726449482E-12 9.488226420556958E-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 15.8   n/a MPO342091  
diameter diameter 3.456 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

376886 (2001 XR46)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

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