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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09374263742432179 3.4411e-08  
a 2.248778719451915 8.4557e-09 au
q 2.037972271306803 7.5878e-08 au
i 3.557675213349905 3.4968e-06 deg
node 261.3661075311045 6.298e-05 deg
peri 300.2498521951707 6.6069e-05 deg
M 162.7905471771325 2.0921e-05 deg
tp 2458043.512827690997
(2017-Oct-17.01282769)
7.1002e-05 TDB
period 1231.738485485032
3.37
6.9472e-06
1.902e-08
d
yr
n .2922698318208671 1.6485e-09 deg/d
Q 2.459585167597026 9.2484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1515  
   data-arc span      16572 days (45.37 yr)  
   first obs. used      1974-06-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:27  

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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