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118355 (1999 CA154)
Classification: Main-belt Asteroid          SPK-ID: 2118355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680267994281985 4.2587e-08  
a 2.462045099863615 1.5633e-08 au
q 2.048355541685652 1.0662e-07 au
i 6.51160585262504 5.3485e-06 deg
node 181.0342127997611 5.1517e-05 deg
peri 330.9586964750798 5.6209e-05 deg
M 184.4060518592648 2.7943e-05 deg
tp 2459688.755160003662
(2022-Apr-19.25516000)
0.00011423 TDB
period 1411.050097254684
3.86
1.3439e-05
3.679e-08
d
yr
n .2551291415523872 2.4299e-09 deg/d
Q 2.875734658041578 1.826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      7838 days (21.46 yr)  
   first obs. used      1999-02-14  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:03:04  

Additional Information
 Earth MOID = 1.06126 au 
 Jupiter MOID = 2.12852 au 
 T_jup = 3.461 
[ show covariance matrix ]

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 16.0   n/a MPO338091  
diameter diameter 3.524 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118355 (1999 CA154)          Discovered 1999-Feb-14 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 CA154 = 2001 SB247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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