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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03760312086386235 4.0456e-08  
a 2.602060344409862 1.4656e-08 au
q 2.504214754783955 9.9981e-08 au
i 14.3169492757811 5.0007e-06 deg
node 169.7828563383078 1.5105e-05 deg
peri 88.60420790717374 7.474e-05 deg
M 139.7608702436329 7.104e-05 deg
tp 2458405.307337798497
(2018-Oct-13.80733780)
0.00030355 TDB
period 1533.114082783144
4.20
1.2953e-05
3.546e-08
d
yr
n .2348161849420056 1.9839e-09 deg/d
Q 2.699905934035769 1.5207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      17225 days (47.16 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:41  

Additional Information
 Earth MOID = 1.54003 au 
 Jupiter MOID = 2.33077 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457005.5 (2014-Dec-14.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03782681254137647 3.9625e-08  
q 2.504143612604278 9.7854e-08 au
tp 2456880.102332498099
(2014-Aug-10.60233250)
0.0003096 TDB
node 169.8474316889165 1.5091e-05 deg
peri 90.51501025198371 7.5417e-05 deg
i 14.32265197628629 5.0032e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      17225 days (47.16 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:41  

Additional Information
 Jupiter MOID = 2.33077 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.570171959369197E-15 -3.843941538479865E-15 -4.715355622560022E-12 -1.366466822099215E-15 -1.167085228382143E-12 -5.863233857595614E-15
q -3.843941538479865E-15 9.575322414208656E-15 1.105572667513088E-11 2.034046324430444E-15 2.742763697899734E-12 1.514204641107992E-14
tp -4.715355622560022E-12 1.105572667513088E-11 9.585228753940478E-8 6.131996399575369E-11 2.288692995522057E-8 3.467246540894539E-11
node -1.366466822099215E-15 2.034046324430444E-15 6.131996399575369E-11 2.277261228780352E-10 -2.05555185854695E-10 1.640200820682778E-11
peri -1.167085228382143E-12 2.742763697899734E-12 2.288692995522057E-8 -2.05555185854695E-10 5.687754538141812E-9 -7.438351910997674E-12
i -5.863233857595614E-15 1.514204641107992E-14 3.467246540894539E-11 1.640200820682778E-11 -7.438351910997674E-12 2.50324400499867E-11

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

[ 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
1991-Mar-09 19:07 < 00:01 David 0.0260983804468028 0.0260954672431317 0.0261012937190115 5.71604798618469 5.71604788491637 2448325.296574973 0.544703924732311 160.679407376779 35.7665929625022 -26.0474015727973 52644.0943235142 T 26 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:42 2020-Dec-17 21:22
2076-Jun-16 19:58 < 00:01 Juno 0.014244484772058 0.0142405578012075 0.0142484181098005 5.52938329920276 5.52938314474045 2479471.331675557 0.637370414349708 531.52013645965 54.425310229019 69.1508537590036 36596.8610115947 T 26 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:42 2020-Dec-17 21:22

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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