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18299 (1979 MT8)
Classification: Main-belt Asteroid          SPK-ID: 2018299
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086857334940365 3.2245e-08  
a 2.880282136411312 1.3623e-08 au
q 2.567236559745679 9.666e-08 au
i 4.808240367629756 4.0697e-06 deg
node 224.3575293962479 4.3675e-05 deg
peri 248.7578762847416 4.8729e-05 deg
M 358.5143657180858 2.011e-05 deg
tp 2459207.868182681805
(2020-Dec-24.36818268)
9.9731e-05 TDB
period 1785.463487038007
4.89
1.2667e-05
3.468e-08
d
yr
n .2016283181445629 1.4305e-09 deg/d
Q 3.193327713076946 1.5104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1763  
   data-arc span      15240 days (41.72 yr)  
   first obs. used      1979-06-23  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:26:14  

Additional Information
 Earth MOID = 1.58854 au 
 Jupiter MOID = 1.93302 au 
 T_jup = 3.281 
[ 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 13.89   n/a E2021B10  

18299 (1979 MT8)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1979 MT8 = 1999 RR132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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