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66580 (1999 RE155)
Classification: Main-belt Asteroid          SPK-ID: 2066580
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .097737790730583 3.504e-08  
a 2.605655542801093 1.261e-08 au
q 2.350984526642816 9.46e-08 au
i 4.179725386774864 4.318e-06 deg
node 217.7696195784358 4.9161e-05 deg
peri 95.04817962603919 5.64e-05 deg
M 46.0093827920222 2.5056e-05 deg
tp 2459004.155907851174
(2020-Jun-03.65590785)
0.00010746 TDB
period 1536.292575214324
4.21
1.1152e-05
3.053e-08
d
yr
n .2343303650671992 1.701e-09 deg/d
Q 2.86032655895937 1.3842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      8302 days (22.73 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:30  

Additional Information
 Earth MOID = 1.33958 au 
 Jupiter MOID = 2.35641 au 
 T_jup = 3.402 
[ 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 15.37   n/a E2021B10  

66580 (1999 RE155)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RE155 = 1998 HE65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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