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74437 (1999 CR)
Classification: Main-belt Asteroid          SPK-ID: 2074437
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2122456519253109 5.2635e-08  
a 3.135658846253781 2.5053e-08 au
q 2.470128890215279 1.6548e-07 au
i 18.18970745687285 5.6795e-06 deg
node 333.2283189862665 1.5214e-05 deg
peri 212.319279477618 1.8059e-05 deg
M 275.6001425879637 1.1673e-05 deg
tp 2459475.978460919742
(2021-Sep-18.47846092)
6.912e-05 TDB
period 2028.110605631144
5.55
2.4306e-05
6.655e-08
d
yr
n .1775051119009206 2.1273e-09 deg/d
Q 3.801188802292283 3.037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7670 days (21.00 yr)  
   first obs. used      1999-02-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:16:16  

Additional Information
 Earth MOID = 1.4926 au 
 Jupiter MOID = 1.29648 au 
 T_jup = 3.101 
[ 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 14.1   n/a MPO417339  
diameter diameter 4.095 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74437 (1999 CR)          Discovered 1999-Feb-05 by Kobayashi, T. at Oizumi
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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