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66596 (1999 RO180)
Classification: Main-belt Asteroid          SPK-ID: 2066596
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2500399137083401 2.9386e-08  
a 2.597225766485671 1.1665e-08 au
q 1.947815659952516 7.4646e-08 au
i 5.471264344377553 4.3986e-06 deg
node 60.39973791757669 5.61e-05 deg
peri 199.1352677300199 5.7369e-05 deg
M 91.33422934594714 1.2656e-05 deg
tp 2458812.622981275438
(2019-Nov-25.12298128)
5.3186e-05 TDB
period 1528.843323481094
4.19
1.03e-05
2.82e-08
d
yr
n .2354721340446446 1.5863e-09 deg/d
Q 3.246635873018825 1.4581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      9801 days (26.83 yr)  
   first obs. used      1994-03-13  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54219  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:36  

Additional Information
 Earth MOID = .931958 au 
 Jupiter MOID = 1.83036 au 
 T_jup = 3.365 
[ 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 15.32   n/a E2021B10  

66596 (1999 RO180)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RO180 = 1994 EY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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