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74505 (1999 EQ)
Classification: Main-belt Asteroid          SPK-ID: 2074505
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2035456890600433 4.8546e-08  
a 3.145742218798342 2.8205e-08 au
q 2.505439951267764 1.6431e-07 au
i 2.455268215095546 7.8909e-06 deg
node 334.5034293169994 0.00013549 deg
peri 101.7305053161643 0.00013732 deg
M 339.7946100332726 2.2758e-05 deg
tp 2459114.879411956071
(2020-Sep-22.37941196)
0.00012975 TDB
period 2037.901192305219
5.58
2.7408e-05
7.504e-08
d
yr
n .1766523329783117 2.3758e-09 deg/d
Q 3.78604448632892 3.3946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1997-10-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:29  

Additional Information
 Earth MOID = 1.52215 au 
 Jupiter MOID = 1.50264 au 
 T_jup = 3.175 
[ 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 15.3   n/a MPO493390  

74505 (1999 EQ)          Discovered 1999-Mar-06 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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