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101690 (1999 CA120)
Classification: Main-belt Asteroid          SPK-ID: 2101690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968035706525939 4.2032e-08  
a 2.367744145427584 1.098e-08 au
q 1.901763643215661 1.0175e-07 au
i 10.70684148387222 5.6228e-06 deg
node 40.13713867168035 2.6147e-05 deg
peri 25.11182228865967 2.9848e-05 deg
M 354.1333396014886 1.6223e-05 deg
tp 2459022.186478316357
(2020-Jun-21.68647832)
6.0045e-05 TDB
period 1330.762591246856
3.64
9.2569e-06
2.534e-08
d
yr
n .2705215809100093 1.8818e-09 deg/d
Q 2.833724647639507 1.3141e-08 au
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1999-01-09  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:48  

Additional Information
 Earth MOID = .919875 au 
 Jupiter MOID = 2.52996 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456578.5 (2013-Oct-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967799023292088 4.2097e-08  
q 1.901825090355103 1.0198e-07 au
tp 2456357.775201773394
(2013-Mar-06.27520177)
5.3041e-05 TDB
node 40.18876043729547 2.6106e-05 deg
peri 24.55904775972848 2.9849e-05 deg
i 10.71725024598528 5.6291e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      654  
   data-arc span      7977 days (21.84 yr)  
   first obs. used      1999-01-09  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:48  

Additional Information
 Jupiter MOID = 2.52996 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.772189640229396E-15 -4.277354909102132E-15 -5.155842090932262E-13 3.707585641622056E-16 -1.718665639642387E-13 -3.103011252122981E-15
q -4.277354909102132E-15 1.039942676546086E-14 1.334047323206658E-12 -1.667989495322909E-15 4.375934362294046E-13 8.073232835856006E-15
tp -5.155842090932262E-13 1.334047323206658E-12 2.81330607214045E-9 5.392759047550096E-12 7.864620890815517E-10 -9.235856852150186E-13
node 3.707585641622056E-16 -1.667989495322909E-15 5.392759047550096E-12 6.815119036417795E-10 -6.677880708296494E-10 -3.899328096387065E-11
peri -1.718665639642387E-13 4.375934362294046E-13 7.864620890815517E-10 -6.677880708296494E-10 8.909616303852223E-10 3.805466739651393E-11
i -3.103011252122981E-15 8.073232835856006E-15 -9.235856852150186E-13 -3.899328096387065E-11 3.805466739651393E-11 3.16863521838916E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO449616  
diameter diameter 4.503 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101690 (1999 CA120)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 CA120 = 2001 QY108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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