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129749 (1999 CJ137)
Classification: Outer Main-belt Asteroid          SPK-ID: 2129749
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05330822916318354 5.7027e-08  
a 3.461027408023868 3.5832e-08 au
q 3.276526165816872 2.0185e-07 au
i 5.84985831324907 5.6964e-06 deg
node 152.4893176611779 5.8166e-05 deg
peri 315.6198378143385 8.3738e-05 deg
M 144.0121264386006 6.0507e-05 deg
tp 2458059.688652522594
(2017-Nov-02.18865252)
0.00039033 TDB
period 2351.830317818875
6.44
3.6523e-05
9.999e-08
d
yr
n .1530722677024887 2.3771e-09 deg/d
Q 3.645528650230863 3.7742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      7835 days (21.45 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:46:40  

Additional Information
 Earth MOID = 2.29658 au 
 Jupiter MOID = 1.42218 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0552823085538148 5.7294e-08  
q 3.268889063610848 2.0393e-07 au
tp 2458052.144171894017
(2017-Oct-25.64417189)
0.00037427 TDB
node 152.5436753100795 5.8178e-05 deg
peri 314.1149466637632 8.1932e-05 deg
i 5.849852430639787 5.6966e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      294  
   data-arc span      7835 days (21.45 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:46:40  

Additional Information
 Jupiter MOID = 1.42218 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.282598548151876E-15 -1.15148462340622E-14 -2.467182978595077E-12 -6.1830939565566E-15 -5.075781601873426E-13 6.521498277709348E-16
q -1.15148462340622E-14 4.158830062520394E-14 1.246277665631769E-11 4.30683318443164E-14 2.282387840553445E-12 -4.580841467647195E-17
tp -2.467182978595077E-12 1.246277665631769E-11 1.400775115339506E-7 6.041810440226993E-11 2.162189799514298E-8 -1.202517241604261E-11
node -6.1830939565566E-15 4.30683318443164E-14 6.041810440226993E-11 3.384674103564862E-9 -3.357482036670055E-9 2.70489035949555E-12
peri -5.075781601873426E-13 2.282387840553445E-12 2.162189799514298E-8 -3.357482036670055E-9 6.71284568430987E-9 -4.66937567791998E-12
i 6.521498277709348E-16 -4.580841467647195E-17 -1.202517241604261E-11 2.70489035949555E-12 -4.66937567791998E-12 3.245126163991265E-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 15.1   n/a MPO436628  

129749 (1999 CJ137)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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