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66594 (1999 RO176)
Classification: Main-belt Asteroid          SPK-ID: 2066594
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955608157959041 3.577e-08  
a 2.607919655190543 1.0931e-08 au
q 2.097912759891307 9.2236e-08 au
i 13.26495885595194 5.9363e-06 deg
node 179.0853423982861 1.2113e-05 deg
peri 122.2149129442631 2.2503e-05 deg
M 51.9587822587663 1.544e-05 deg
tp 2458978.477902371368
(2020-May-08.97790237)
6.6117e-05 TDB
period 1538.295388607235
4.21
9.6715e-06
2.648e-08
d
yr
n .2340252741223792 1.4714e-09 deg/d
Q 3.117926550489778 1.3069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      8360 days (22.89 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:35  

Additional Information
 Earth MOID = 1.11488 au 
 Jupiter MOID = 2.29655 au 
 T_jup = 3.347 
[ 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 15.41   n/a E2021B10  

66594 (1999 RO176)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RO176 = 1998 HE131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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