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85915 (1999 CU97)
Classification: Main-belt Asteroid          SPK-ID: 2085915
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08344339887341848 3.8333e-08  
a 2.566036866841499 1.1043e-08 au
q 2.351918029037747 9.7886e-08 au
i 11.81082032088021 4.1809e-06 deg
node 93.7977207157564 2.1506e-05 deg
peri 12.64744028169985 3.8568e-05 deg
M 96.51743420632869 3.0858e-05 deg
tp 2458597.972058929587
(2019-Apr-24.47205893)
0.00012843 TDB
period 1501.387391583258
4.11
9.6921e-06
2.654e-08
d
yr
n .2397782224748599 1.5479e-09 deg/d
Q 2.780155704645252 1.1965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7779 days (21.30 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Earth MOID = 1.37003 au 
 Jupiter MOID = 2.35766 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08367562874206125 3.7983e-08  
q 2.352360687350448 9.6946e-08 au
tp 2457099.808607416569
(2015-Mar-18.30860742)
0.00012823 TDB
node 93.8549503155342 2.1496e-05 deg
peri 13.54381973049627 3.8597e-05 deg
i 11.8124985531406 4.1803e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7779 days (21.30 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:18:18  

Additional Information
 Jupiter MOID = 2.35766 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.442682132353744E-15 -3.662330614660781E-15 -2.330285202941492E-12 -7.998470042549824E-15 -6.154573404939847E-13 4.58892359200318E-15
q -3.662330614660781E-15 9.398528367251214E-15 5.963978293350345E-12 2.082243901876874E-14 1.574291980423584E-12 -1.148901092058607E-14
tp -2.330285202941492E-12 5.963978293350345E-12 1.644358715145656E-8 4.366118189578004E-12 4.132964238465677E-9 -2.210851851689889E-11
node -7.998470042549824E-15 2.082243901876874E-14 4.366118189578004E-12 4.620901576258743E-10 -4.507379483195034E-10 -3.696827307180772E-11
peri -6.154573404939847E-13 1.574291980423584E-12 4.132964238465677E-9 -4.507379483195034E-10 1.489742908530191E-9 3.061000801232392E-11
i 4.58892359200318E-15 -1.148901092058607E-14 -2.210851851689889E-11 -3.696827307180772E-11 3.061000801232392E-11 1.747504270015946E-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 14.9   n/a MPO453290  
diameter diameter 6.797 km 1.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.046   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

85915 (1999 CU97)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 CU97 = 2001 OE12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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