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97241 (1999 XR84)
Classification: Main-belt Asteroid          SPK-ID: 2097241
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111831427305109 4.2516e-08  
a 2.805395857666316 1.7038e-08 au
q 2.493483129607818 1.1725e-07 au
i 1.671794889749626 4.8769e-06 deg
node 281.7274853809612 0.00019758 deg
peri 165.3408598949773 0.00019998 deg
M 51.44595387411324 2.8686e-05 deg
tp 2458355.233418933685
(2018-Aug-24.73341893)
0.00013667 TDB
period 1716.285976540177
4.70
1.5636e-05
4.281e-08
d
yr
n .209755253448913 1.9109e-09 deg/d
Q 3.117308585724814 1.8933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5109  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:07:30  

Additional Information
 Earth MOID = 1.50985 au 
 Jupiter MOID = 2.0647 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456745.5 (2014-Mar-29.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121027025428338 4.25e-08  
q 2.492660654987195 1.1762e-07 au
tp 2456642.448392940507
(2013-Dec-15.94839294)
0.00013569 TDB
node 281.788098324079 0.00019735 deg
peri 166.1307252113546 0.0001997 deg
i 1.672634777205604 4.8785e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      695  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5109  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:07:30  

Additional Information
 Jupiter MOID = 2.0647 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.80623095450506E-15 -4.958685748192628E-15 5.618628262724539E-14 2.958708569797519E-15 -5.20895450238802E-14 -1.022344281391107E-17
q -4.958685748192628E-15 1.38348236642217E-14 -3.925236911309148E-13 -4.85226159095801E-15 8.928100005593869E-14 1.49182164754949E-16
tp 5.618628262724539E-14 -3.925236911309148E-13 1.841223219019331E-8 -2.737471823379397E-11 4.186977178059989E-9 -1.775889117011779E-12
node 2.958708569797519E-15 -4.85226159095801E-15 -2.737471823379397E-11 3.894596941538787E-8 -3.893505221369866E-8 2.615931896754291E-10
peri -5.20895450238802E-14 8.928100005593869E-14 4.186977178059989E-9 -3.893505221369866E-8 3.98794445805118E-8 -2.618707877308864E-10
i -1.022344281391107E-17 1.49182164754949E-16 -1.775889117011779E-12 2.615931896754291E-10 -2.618707877308864E-10 2.380015228273264E-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 15.0   n/a MPO337970  
diameter diameter 3.419 km 0.563 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97241 (1999 XR84)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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