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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244351414430294 3.8416e-08  
a 2.804634910413426 1.5232e-08 au
q 2.175176277598731 1.0704e-07 au
i 8.684135186402775 4.0558e-06 deg
node 125.4818240035738 2.8645e-05 deg
peri 296.1184364131577 3.0041e-05 deg
M 307.6954812194906 1.1637e-05 deg
tp 2459645.758306625537
(2022-Mar-07.25830663)
5.6707e-05 TDB
period 1715.587725063463
4.70
1.3976e-05
3.826e-08
d
yr
n .2098406247262481 1.7095e-09 deg/d
Q 3.434093543228121 1.865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1070  
   data-arc span      25545 days (69.94 yr)  
   first obs. used      1951-08-31  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:52:46  

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 14.48   n/a MPO636722  
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

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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 1.95508119196514 1.95508084769474 1.95508153623555 2.31520227134325 2.11982979261781 2476119.253067315 1.24576542496444 96.4792897854458 25.6635191976266 -88.8453626540867 2153261.52877774 T 30 CATAB v2.0g-lin.ifort 2021-Aug-25 00:52:49 2021-Aug-25 00:52
2090-Jul-17 02:13 00:02 Jupiter 1.95395285833913 1.95395239696817 1.95395331971009 1.95426827401117 1.71819117622957 2484614.592428588 1.85201901417259 104.869225229835 57.7699104476081 79.9072237045551 1904044.85122873 T 30 CATAB v2.0g-lin.ifort 2021-Aug-25 00:52:49 2021-Aug-25 00:52

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