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74456 (1999 CN30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2074456
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04040629377986217 4.1363e-08  
a 3.227410251643987 2.2916e-08 au
q 3.097002564867922 1.4122e-07 au
i 8.767377226580559 3.8078e-06 deg
node 128.4889507625998 2.992e-05 deg
peri 290.557851633613 5.9128e-05 deg
M 320.1811586511153 4.9635e-05 deg
tp 2459234.742560199968
(2021-Jan-20.24256020)
0.0002917 TDB
period 2117.774370507906
5.80
2.2556e-05
6.175e-08
d
yr
n .1699897803152944 1.8105e-09 deg/d
Q 3.357817938420053 2.3842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      7958 days (21.79 yr)  
   first obs. used      1999-01-16  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:37  

Additional Information
 Earth MOID = 2.12443 au 
 Jupiter MOID = 1.80223 au 
 T_jup = 3.168 
[ 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 13.8   n/a MPO359267  

74456 (1999 CN30)          Discovered 1999-Feb-10 by LINEAR at Socorro
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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