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74451 (1999 CZ25)
Classification: Main-belt Asteroid          SPK-ID: 2074451
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07949634476750274 4.3378e-08  
a 3.142403886989003 2.8429e-08 au
q 2.892594264190184 1.468e-07 au
i 12.26525655785005 5.2404e-06 deg
node 127.1226851171407 2.4165e-05 deg
peri 298.0463699440652 4.3493e-05 deg
M .8534077435343242 3.6191e-05 deg
tp 2458995.676686281769
(2020-May-26.17668628)
0.00020454 TDB
period 2034.658053806675
5.57
2.7611e-05
7.559e-08
d
yr
n .176933907555852 2.4011e-09 deg/d
Q 3.392213509787822 3.0689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      14808 days (40.54 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:49:06  

Additional Information
 Earth MOID = 1.93168 au 
 Jupiter MOID = 1.84806 au 
 T_jup = 3.170 
[ 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 14.6   n/a MPO502607  
diameter diameter 5.495 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74451 (1999 CZ25)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CZ25 = 1979 MH1 = 2002 TF231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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