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101001 (1998 QD46)
Classification: Main-belt Asteroid          SPK-ID: 2101001
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 .1648218523826456 6.4645e-08  
a 2.290997741954554 7.3517e-09 au
q 1.913391250321146 1.4599e-07 au
i 1.842811263326336 4.2754e-06 deg
node 317.3595076203665 0.00018537 deg
peri 35.77916596590513 0.0001858 deg
M 90.33337723460862 1.3488e-05 deg
tp 2458682.680042653898
(2019-Jul-18.18004265)
4.6939e-05 TDB
period 1266.58814435161
3.47
6.0966e-06
1.669e-08
d
yr
n .2842281459884427 1.3681e-09 deg/d
Q 2.668604233587963 8.5634e-09 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      7901 days (21.63 yr)  
   first obs. used      1998-07-18  
   last obs. used      2020-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:00  

Additional Information
 Earth MOID = .908401 au 
 Jupiter MOID = 2.7605 au 
 T_jup = 3.579 
[ 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 16.2   n/a MPO257474  
diameter diameter 2.592 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101001 (1998 QD46)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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