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74449 (1999 CR22)
Classification: Main-belt Asteroid          SPK-ID: 2074449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021235057673238 4.0796e-08  
a 2.963159490133166 2.3748e-08 au
q 2.660551254853051 1.2527e-07 au
i 6.957089495056689 5.427e-06 deg
node 86.76831026683641 4.9862e-05 deg
peri 41.02408025602971 6.035e-05 deg
M 352.0137084229389 3.3094e-05 deg
tp 2458641.830782700615
(2019-Jun-07.33078270)
0.00017139 TDB
period 1863.077703668917
5.10
2.2397e-05
6.132e-08
d
yr
n .193228655622393 2.3229e-09 deg/d
Q 3.265767725413281 2.6173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:26:44  

Additional Information
 Earth MOID = 1.68104 au 
 Jupiter MOID = 1.81613 au 
 T_jup = 3.246 
[ 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 14.8   n/a MPO337818  
diameter diameter 6.275 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74449 (1999 CR22)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CR22 = 2000 HM104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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