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JPL Small-Body Database Browser
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185749 (1999 RT53)
Classification: Main-belt Asteroid          SPK-ID: 2185749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004373411905734 7.2938e-08  
a 2.913873601846295 1.6859e-08 au
q 2.329824524526825 2.1011e-07 au
i 9.072644219124202 7.5555e-06 deg
node 164.1669488139632 2.3573e-05 deg
peri 197.5411256095501 2.6143e-05 deg
M 43.11908705242351 9.8413e-06 deg
tp 2458782.893658885208
(2019-Oct-26.39365889)
4.9375e-05 TDB
period 1816.788994305067
4.97
1.5767e-05
4.317e-08
d
yr
n .1981517948030625 1.7197e-09 deg/d
Q 3.497922679165766 2.0238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      9176 days (25.12 yr)  
   first obs. used      1994-09-01  
   last obs. used      2019-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:52:42  

Additional Information
 Earth MOID = 1.32836 au 
 Jupiter MOID = 1.95744 au 
 T_jup = 3.234 
[ 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 15.7   n/a MPO494026  

185749 (1999 RT53)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1999 RT53 = 2002 EQ107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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