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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224435141718824 3.894e-08  
a 2.804634910567448 1.5629e-08 au
q 2.175176276944681 1.081e-07 au
i 8.68413534611026 4.0727e-06 deg
node 125.4818228419156 2.8769e-05 deg
peri 296.1184375946179 3.0179e-05 deg
M 307.6954811315898 1.191e-05 deg
tp 2459645.758307064963
(2022-Mar-07.25830706)
5.808e-05 TDB
period 1715.587725204785
4.70
1.4341e-05
3.926e-08
d
yr
n .2098406247089624 1.7541e-09 deg/d
Q 3.434093544190214 1.9137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      25511 days (69.85 yr)  
   first obs. used      1951-08-31  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:21:07  

Additional Information
 Earth MOID = 1.20452 au 
 Jupiter MOID = 1.95579 au 
 T_jup = 3.270 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2067-Apr-13 18:04 00:01 Jupiter 1.95508119076217 1.95508084283069 1.95508153869365 2.315202440666 2.1198299774203 2476119.253086428 1.28011236398459 97.0281031531815 26.1383325572573 -88.692312601977 2143483.79205919 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 14:21:10 2021-Jul-09 14:21
2090-Jul-17 02:13 00:02 Jupiter 1.95395285661703 1.9539523818631 1.95395333137096 1.95426833030981 1.7181912400412 2484614.592436743 1.90191556296825 105.669193575468 58.5153478987901 79.2256802776851 1898166.72300337 T 29 CATAB v2.0g-lin.ifort 2021-Jul-09 14:21:10 2021-Jul-09 14:21

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