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441766 (2009 CR51)
Classification: Main-belt Asteroid          SPK-ID: 2441766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154157100411383 5.4775e-08  
a 2.757220695324805 3.7332e-08 au
q 2.438994111033772 1.499e-07 au
i 14.08760550869998 6.8161e-06 deg
node 127.9519698678491 2.1308e-05 deg
peri 44.53920649713262 3.5271e-05 deg
M 142.2131868424156 2.9154e-05 deg
tp 2458339.893125059191
(2018-Aug-09.39312506)
0.00013093 TDB
period 1672.267391365152
4.58
3.3963e-05
9.299e-08
d
yr
n .2152765770945966 4.3722e-09 deg/d
Q 3.075447279615839 4.1641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4731 days (12.95 yr)  
   first obs. used      2007-11-03  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:55  

Additional Information
 Earth MOID = 1.46711 au 
 Jupiter MOID = 1.97286 au 
 T_jup = 3.290 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458059.5 (2017-Nov-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136966140809481 5.4748e-08  
q 2.443928460870847 1.4942e-07 au
tp 2458338.937105570731
(2018-Aug-08.43710557)
0.00013289 TDB
node 128.0127799013015 2.1352e-05 deg
peri 44.44305294748391 3.5617e-05 deg
i 14.07047598510371 6.8089e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4731 days (12.95 yr)  
   first obs. used      2007-11-03  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52573  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:55  

Additional Information
 Jupiter MOID = 1.97286 au 
 T_jup = 3.290 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.997324788141081E-15 -7.983899375941908E-15 -1.10018998286157E-12 -1.622730425373239E-14 -3.395390343840447E-13 -2.309547916347674E-15
q -7.983899375941908E-15 2.23275027355538E-14 4.309507938563957E-12 4.317528893976522E-14 1.155065884370419E-12 6.563500820541563E-15
tp -1.10018998286157E-12 4.309507938563957E-12 1.765857416391808E-8 -8.021342808490036E-12 3.80001537602346E-9 -2.418316795118985E-11
node -1.622730425373239E-14 4.317528893976522E-14 -8.021342808490036E-12 4.559126031053104E-10 -4.429393639210236E-10 -1.582884549944587E-11
peri -3.395390343840447E-13 1.155065884370419E-12 3.80001537602346E-9 -4.429393639210236E-10 1.268570439835619E-9 1.010985888053852E-11
i -2.309547916347674E-15 6.563500820541563E-15 -2.418316795118985E-11 -1.582884549944587E-11 1.010985888053852E-11 4.636052055538212E-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 16.9   n/a MPO437717  

441766 (2009 CR51)          Discovered 2008-Dec-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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