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35662 (1998 QW40)
Classification: Main-belt Asteroid          SPK-ID: 2035662
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182937299091011 3.5974e-08  
a 2.16294980123452 6.2875e-09 au
q 1.767265606527238 7.6974e-08 au
i 2.720021756494554 3.2218e-06 deg
node 235.8304326010421 0.00010058 deg
peri 38.3355742965313 0.00010126 deg
M 350.3828638619518 1.2149e-05 deg
tp 2459031.539259395456
(2020-Jul-01.03925940)
3.9246e-05 TDB
period 1161.898222294699
3.18
5.0663e-06
1.387e-08
d
yr
n .309837809450311 1.351e-09 deg/d
Q 2.558633995941802 7.4377e-09 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      8667 days (23.73 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:09:55  

Additional Information
 Earth MOID = .751966 au 
 Jupiter MOID = 2.54853 au 
 T_jup = 3.672 
[ 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 16.0   n/a MPO309430  
diameter diameter 1.656 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.308   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35662 (1998 QW40)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020227/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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