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JPL Small-Body Database Browser
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46863 (1998 QE75)
Classification: Main-belt Asteroid          SPK-ID: 2046863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07416957831214886 4.7813e-08  
a 2.655038635643379 1.6933e-08 au
q 2.458115539635247 1.2513e-07 au
i 14.49924539671868 6.1695e-06 deg
node 317.0480395132686 1.7558e-05 deg
peri 230.9184125214729 4.1846e-05 deg
M 166.3014988342657 3.7733e-05 deg
tp 2458270.541185168596
(2018-Jun-01.04118517)
0.00016647 TDB
period 1580.173210592614
4.33
1.5117e-05
4.139e-08
d
yr
n .2278231257097372 2.1795e-09 deg/d
Q 2.851961731651511 1.8189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      847  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:58:13  

Additional Information
 Earth MOID = 1.48756 au 
 Jupiter MOID = 2.20958 au 
 T_jup = 3.339 
[ 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 14.5   n/a MPO347848  
diameter diameter 4.228 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46863 (1998 QE75)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20020921/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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