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48946 (1998 QF14)
Classification: Main-belt Asteroid          SPK-ID: 2048946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0937426322354666 3.2545e-08  
a 2.248778717989061 7.7904e-09 au
q 2.037972281649668 7.257e-08 au
i 3.557675298428704 3.4608e-06 deg
node 261.366112155614 5.8609e-05 deg
peri 300.2498501190885 6.1676e-05 deg
M 162.7905456187933 2.0648e-05 deg
tp 2458043.512833566337
(2017-Oct-17.01283357)
6.9851e-05 TDB
period 1231.738484283145
3.37
6.4007e-06
1.752e-08
d
yr
n .2922698321060538 1.5188e-09 deg/d
Q 2.459585154328454 8.5207e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      16606 days (45.46 yr)  
   first obs. used      1974-06-17  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49277  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:16:14  

Additional Information
 Earth MOID = 1.03741 au 
 Jupiter MOID = 2.5124 au 
 T_jup = 3.620 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO347859  
diameter diameter 2.627 km 0.794 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.445   0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48946 (1998 QF14)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QF14 = 1974 MQ = 1999 XB77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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