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91263 (1999 CD104)
Classification: Main-belt Asteroid          SPK-ID: 2091263
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410839392707115 3.2322e-08  
a 2.277714080077389 8.017e-09 au
q 1.956365205127706 7.6087e-08 au
i 3.687129800457102 4.2325e-06 deg
node 156.5174973429017 5.5641e-05 deg
peri 284.3553717563804 5.7926e-05 deg
M 121.72024195625 1.5216e-05 deg
tp 2458575.970823946305
(2019-Apr-02.47082395)
5.2855e-05 TDB
period 1255.588231859268
3.44
6.629e-06
1.815e-08
d
yr
n .2867182017681976 1.5138e-09 deg/d
Q 2.599062955027072 9.148e-09 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:26:33  

Additional Information
 Earth MOID = .97602 au 
 Jupiter MOID = 2.61526 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456773.5 (2014-Apr-26.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14035476713473 3.2332e-08  
q 1.958723217979946 7.6121e-08 au
tp 2457320.295924560016
(2015-Oct-24.79592456)
5.3256e-05 TDB
node 156.5375881786613 5.5623e-05 deg
peri 284.4496791341712 5.7935e-05 deg
i 3.686653314222129 4.2332e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      7656 days (20.96 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:26:33  

Additional Information
 Jupiter MOID = 2.61526 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.045374518611173E-15 -2.452015848250769E-15 4.88426363610199E-14 -5.131469406861359E-17 2.807204402871161E-14 -8.239510142940471E-16
q -2.452015848250769E-15 5.794389600666831E-15 -1.331060060532911E-13 4.22481212086291E-17 -7.811837253222502E-14 2.034392815283019E-15
tp 4.88426363610199E-14 -1.331060060532911E-13 2.836180596086063E-9 -4.571907725804791E-12 8.705263664100012E-10 7.991533815613801E-14
node -5.131469406861359E-17 4.22481212086291E-17 -4.571907725804791E-12 3.093878249860854E-9 -3.088441833330747E-9 1.920066573044688E-11
peri 2.807204402871161E-14 -7.811837253222502E-14 8.705263664100012E-10 -3.088441833330747E-9 3.356462436155499E-9 -1.915923245939558E-11
i -8.239510142940471E-16 2.034392815283019E-15 7.991533815613801E-14 1.920066573044688E-11 -1.915923245939558E-11 1.791956547386703E-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 16.2   n/a MPO366274  

91263 (1999 CD104)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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