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JPL Small-Body Database Browser
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46487 (3322 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046487
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03785637715124431 4.1287e-08  
a 2.602048541236134 1.5164e-08 au
q 2.503544410293254 1.0178e-07 au
i 14.31704940257086 5.0688e-06 deg
node 169.7865581940779 1.5233e-05 deg
peri 88.56283217874591 7.6886e-05 deg
M 45.84426044157953 7.3024e-05 deg
tp 2458405.266658129285
(2018-Oct-13.76665813)
0.0003114 TDB
period 1533.103651285245
4.20
1.3402e-05
3.669e-08
d
yr
n .2348177826712509 2.0527e-09 deg/d
Q 2.700552672179015 1.5738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      16844 days (46.12 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:17:07  

Additional Information
 Earth MOID = 1.53888 au 
 Jupiter MOID = 2.33172 au 
 T_jup = 3.369 
[ 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 15.1   n/a MPO412495  
diameter diameter 2.464 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.383   0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46487 (3322 T-2)          Discovered 1973-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 3322 T-2 = 1998 QK33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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