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48996 (1998 QK51)
Classification: Main-belt Asteroid          SPK-ID: 2048996
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0400674638735175 4.6415e-08  
a 2.270008488322137 7.97e-09 au
q 2.179055005223712 1.0708e-07 au
i 5.630547144914391 4.8331e-06 deg
node 176.1364215845304 3.7608e-05 deg
peri 346.2301293933943 6.1428e-05 deg
M 198.6188563507102 4.8463e-05 deg
tp 2459160.502462434527
(2020-Nov-07.00246243)
0.00016832 TDB
period 1249.222070916442
3.42
6.5791e-06
1.801e-08
d
yr
n .2881793464759234 1.5177e-09 deg/d
Q 2.360961971420562 8.2894e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:36  

Additional Information
 Earth MOID = 1.18665 au 
 Jupiter MOID = 2.60483 au 
 T_jup = 3.606 
[ 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 14.8   n/a MPO347860  
diameter diameter 2.371 km 0.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.454   0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48996 (1998 QK51)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QK51 = 2000 AO141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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