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30727 (1979 MC9)
Classification: Main-belt Asteroid          SPK-ID: 2030727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789253706376013 3.7022e-08  
a 2.354709436056117 9.7156e-09 au
q 1.933392177465919 8.5004e-08 au
i 2.190388392538235 5.9015e-06 deg
node 187.2436118279667 0.00010422 deg
peri 78.03746171706119 0.00010596 deg
M 192.0577009799796 2.1585e-05 deg
tp 2459816.189867555111
(2022-Aug-24.68986756)
8.1068e-05 TDB
period 1319.788722753028
3.61
8.1682e-06
2.236e-08
d
yr
n .2727709320390721 1.6882e-09 deg/d
Q 2.776026694646315 1.1454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      15097 days (41.33 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-10-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:30  

Additional Information
 Earth MOID = .917316 au 
 Jupiter MOID = 2.30344 au 
 T_jup = 3.533 
[ 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 16.6   n/a MPO435976  

30727 (1979 MC9)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 MC9 = 1995 YU11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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