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46512 (1951 QD)
Classification: Main-belt Asteroid          SPK-ID: 2046512
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251115611173702 4.0088e-08  
a 2.806828818138457 1.5896e-08 au
q 2.174979201098086 1.1102e-07 au
i 8.684708021443395 4.0922e-06 deg
node 125.4842142154035 2.9014e-05 deg
peri 295.9658813439457 3.0421e-05 deg
M 266.8184151890117 1.2021e-05 deg
tp 2459645.079987121632
(2022-Mar-06.57998712)
5.9852e-05 TDB
period 1717.601129970414
4.70
1.4591e-05
3.995e-08
d
yr
n .2095946455311199 1.7805e-09 deg/d
Q 3.438678435178828 1.9474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1026  
   data-arc span      25156 days (68.87 yr)  
   first obs. used      1951-08-31  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:41  

Additional Information
 Earth MOID = 1.20404 au 
 Jupiter MOID = 1.95172 au 
 T_jup = 3.269 
[ 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 14.47   n/a E2021B10  
diameter diameter 8.239 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46512 (1951 QD)          Discovered 1951-Aug-31 by Cunningham, L. E. at Mount Wilson
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1951 QD = 1998 XF90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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