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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649171675266352 6.455e-08  
a 2.291027568406714 7.2737e-09 au
q 1.913197791099644 1.4573e-07 au
i 1.842830195506482 4.2389e-06 deg
node 317.3595523370115 0.00016667 deg
peri 35.7998264519764 0.00016706 deg
M 147.1436255425473 1.2887e-05 deg
tp 2458682.794413419550
(2019-Jul-18.29441342)
4.4302e-05 TDB
period 1266.612878959348
3.47
6.032e-06
1.651e-08
d
yr
n .2842225955382491 1.3535e-09 deg/d
Q 2.668857345713784 8.4732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1998-07-18  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:44  

Additional Information
 Earth MOID = .906483 au 
 Jupiter MOID = 2.76082 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 16.23   n/a E2021B55  
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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