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243962 (2001 QD246)
Classification: Main-belt Asteroid          SPK-ID: 2243962
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2530694093037986 3.4636e-08  
a 2.76307828290817 1.3739e-08 au
q 2.063827693992445 9.6517e-08 au
i 11.75970160102311 4.5385e-06 deg
node 177.8208246137267 2.8928e-05 deg
peri 171.669108408821 3.2217e-05 deg
M 37.77512075485711 1.3699e-05 deg
tp 2458824.468020963206
(2019-Dec-06.96802096)
6.3191e-05 TDB
period 1677.599202514724
4.59
1.2513e-05
3.426e-08
d
yr
n .2145923766894735 1.6006e-09 deg/d
Q 3.462328871823895 1.7216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2001-08-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:17:38  

Additional Information
 Earth MOID = 1.05887 au 
 Jupiter MOID = 1.98972 au 
 T_jup = 3.264 
[ 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 16.3   n/a MPO440241  
diameter diameter 1.770 km 0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.170   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243962 (2001 QD246)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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