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385540 (2004 RT145)
Classification: Inner Main-belt Asteroid          SPK-ID: 2385540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06179051421307435 9.172e-08  
a 1.951298068409892 1.157e-08 au
q 1.830726357379866 1.7596e-07 au
i 19.00420993535567 1.112e-05 deg
node 341.6876225959334 1.5298e-05 deg
peri 339.4507198139985 6.6132e-05 deg
M .1600747685600515 6.654e-05 deg
tp 2459200.057305393707
(2020-Dec-16.55730539)
0.00018402 TDB
period 995.5976179064282
2.73
8.855e-06
2.424e-08
d
yr
n .3615918655540966 3.2161e-09 deg/d
Q 2.071869779439917 1.2285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      5231 days (14.32 yr)  
   first obs. used      2004-07-25  
   last obs. used      2018-11-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:45  

Additional Information
 Earth MOID = .823921 au 
 Jupiter MOID = 3.12821 au 
 T_jup = 3.822 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO455756  

385540 (2004 RT145)          Discovered 2004-Sep-09 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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