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74105 (1998 QW35)
Classification: Main-belt Asteroid          SPK-ID: 2074105
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629413962961258 4.8457e-08  
a 2.611095410282291 1.2883e-08 au
q 2.18563987826849 1.2903e-07 au
i 4.205621622856097 5.2539e-06 deg
node 344.8499727412162 4.6043e-05 deg
peri 7.016119024204814 4.775e-05 deg
M 45.73207447189139 1.063e-05 deg
tp 2458804.727836535601
(2019-Nov-17.22783654)
4.5494e-05 TDB
period 1541.106098095374
4.22
1.1406e-05
3.123e-08
d
yr
n .2335984527249082 1.7289e-09 deg/d
Q 3.036550942296093 1.4983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      902  
   data-arc span      7787 days (21.32 yr)  
   first obs. used      1998-08-01  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:44:46  

Additional Information
 Earth MOID = 1.18006 au 
 Jupiter MOID = 2.39152 au 
 T_jup = 3.387 
[ 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 15.2   n/a MPO502605  
diameter diameter 5.485 km 1.795 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.049   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

74105 (1998 QW35)          Discovered 1998-Aug-17 by LINEAR at Socorro
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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