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27217 (1999 CC154)
Classification: Main-belt Asteroid          SPK-ID: 2027217
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08065059365753674 4.6798e-08  
a 3.006721122744124 1.6277e-08 au
q 2.764227279232155 1.3839e-07 au
i 1.939001626750792 4.8954e-06 deg
node 190.9338854598302 0.0001174 deg
peri 169.7997864760335 0.00012005 deg
M 191.0786572738135 2.4815e-05 deg
tp 2459894.052705047754
(2022-Nov-10.55270505)
0.00013227 TDB
period 1904.31220013813
5.21
1.5463e-05
4.234e-08
d
yr
n .1890446324787959 1.5351e-09 deg/d
Q 3.249214966256093 1.7589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1972  
   data-arc span      10323 days (28.26 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:47:02  

Additional Information
 Earth MOID = 1.76093 au 
 Jupiter MOID = 2.15522 au 
 T_jup = 3.245 
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Orbital Elements at Epoch 2455974.5 (2012-Feb-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07517450772377968 4.6698e-08  
q 2.781610973434005 1.3703e-07 au
tp 2456085.671458898694
(2012-Jun-07.17145890)
0.00014139 TDB
node 191.2487198800389 0.00011751 deg
peri 170.2715774192893 0.00012058 deg
i 1.936550861787127 4.8939e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1972  
   data-arc span      10323 days (28.26 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:47:02  

Additional Information
 Jupiter MOID = 2.15522 au 
 T_jup = 3.245 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.180660907956507E-15 -6.362091680815558E-15 2.812684892899243E-13 9.888783316494006E-16 1.699070536262902E-16 2.980526313159355E-16
q -6.362091680815558E-15 1.877753347657198E-14 -1.01651952900787E-12 -3.195787255032825E-15 -3.918803982479406E-14 -8.215404482426471E-16
tp 2.812684892899243E-13 -1.01651952900787E-12 1.998991390211189E-8 -1.272396055983308E-11 3.83804036978125E-9 -1.38674854929327E-12
node 9.888783316494006E-16 -3.195787255032825E-15 -1.272396055983308E-11 1.380815019686984E-8 -1.380205452976971E-8 -1.500964924441693E-11
peri 1.699070536262902E-16 -3.918803982479406E-14 3.83804036978125E-9 -1.380205452976971E-8 1.453910004110794E-8 1.472943457509281E-11
i 2.980526313159355E-16 -8.215404482426471E-16 -1.38674854929327E-12 -1.500964924441693E-11 1.472943457509281E-11 2.394988717997123E-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 13.0   n/a MPO502361  
diameter diameter 6.723 km 0.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27217 (1999 CC154)          Discovered 1999-Feb-14 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 CC154 = 2000 JM78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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