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91010 (1998 CD1)
Classification: Main-belt Asteroid          SPK-ID: 2091010
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898516725413459 3.4519e-08  
a 2.467424060775251 8.5778e-09 au
q 1.99897947596831 8.6628e-08 au
i 5.117158061969843 4.7178e-06 deg
node 54.38212087358014 3.4657e-05 deg
peri 43.7464016803079 3.704e-05 deg
M 34.4817878811712 1.1117e-05 deg
tp 2459260.902589751809
(2021-Feb-15.40258975)
4.3749e-05 TDB
period 1415.676816340617
3.88
7.3822e-06
2.021e-08
d
yr
n .2542953277504142 1.3261e-09 deg/d
Q 2.935868645582192 1.0206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8432 days (23.09 yr)  
   first obs. used      1998-02-01  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:43:01  

Additional Information
 Earth MOID = 1.01954 au 
 Jupiter MOID = 2.249 au 
 T_jup = 3.456 
[ 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 15.30   n/a MPCxxxxx  
diameter diameter 5.895 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91010 (1998 CD1)          Discovered 1998-Feb-01 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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