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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109197664215021 4.1867e-08  
a 2.805187766348751 1.598e-08 au
q 2.494036994536892 1.1503e-07 au
i 1.671781024365419 4.2228e-06 deg
node 281.7298690685008 0.0001802 deg
peri 165.2724001068051 0.00018192 deg
M 135.4511226310187 2.4651e-05 deg
tp 2458354.813896911569
(2018-Aug-24.31389691)
0.00011599 TDB
period 1716.095020821954
4.70
1.4664e-05
4.015e-08
d
yr
n .209778593627975 1.7926e-09 deg/d
Q 3.116338538160609 1.7753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:30:04  

Additional Information
 Earth MOID = 1.51043 au 
 Jupiter MOID = 2.06458 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119497817258851 4.1831e-08  
q 2.490997053832243 1.1506e-07 au
tp 2456640.656082870034
(2013-Dec-14.15608287)
0.00011213 TDB
node 281.7581488138993 0.0001802 deg
peri 165.6804041888592 0.00018188 deg
i 1.671946834960397 4.2232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:30:04  

Additional Information
 Jupiter MOID = 2.06458 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.749871997238916E-15 -4.77801686623318E-15 -2.248178344890176E-13 1.057751749461774E-14 -1.241073228887629E-13 2.306089059473209E-16
q -4.77801686623318E-15 1.323797053697666E-14 8.037444841050559E-13 -3.044789421654028E-14 3.924784673346241E-13 -5.721776890970593E-16
tp -2.248178344890176E-13 8.037444841050559E-13 1.257385311471313E-8 -2.901127633519743E-11 2.801233681131273E-9 -1.189624810593998E-12
node 1.057751749461774E-14 -3.044789421654028E-14 -2.901127633519743E-11 3.247058963990972E-8 -3.246314482542472E-8 7.090532781838832E-11
peri -1.241073228887629E-13 3.924784673346241E-13 2.801233681131273E-9 -3.246314482542472E-8 3.308106304831179E-8 -7.113071346262221E-11
i 2.306089059473209E-16 -5.721776890970593E-16 -1.189624810593998E-12 7.090532781838832E-11 -7.113071346262221E-11 1.783555063920377E-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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