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46491 (5070 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046491
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309037581796472 3.9933e-08  
a 3.184699457765646 1.9287e-08 au
q 2.767810330071438 1.2751e-07 au
i 6.947341010339946 4.4535e-06 deg
node 259.7083913063773 3.4856e-05 deg
peri 28.77266864190208 3.9528e-05 deg
M 220.548943305098 2.145e-05 deg
tp 2460200.619171480315
(2023-Sep-13.11917148)
0.00012698 TDB
period 2075.874565556421
5.68
1.8858e-05
5.163e-08
d
yr
n .1734208829248337 1.5754e-09 deg/d
Q 3.601588585459853 2.1812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1641  
   data-arc span      17368 days (47.55 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:24:01  

Additional Information
 Earth MOID = 1.75367 au 
 Jupiter MOID = 1.55813 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328790301933156 4.0165e-08  
q 2.763254216818714 1.2903e-07 au
tp 2458119.268217899869
(2017-Dec-31.76821790)
0.00011734 TDB
node 259.9840121495637 3.491e-05 deg
peri 27.4941682204329 3.9388e-05 deg
i 6.940462881155313 4.4509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1641  
   data-arc span      17368 days (47.55 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:24:01  

Additional Information
 Jupiter MOID = 1.55813 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.613210680505751E-15 -5.137391464298431E-15 4.757902302321932E-13 1.568698067578327E-16 5.570299511554077E-14 6.015337465721819E-17
q -5.137391464298431E-15 1.664805274316344E-14 -7.470320624721707E-13 6.940412391216333E-15 -8.073672973715984E-14 -1.594037190438955E-15
tp 4.757902302321932E-13 -7.470320624721707E-13 1.376763608495533E-8 8.273728582693269E-14 2.161803551700837E-9 4.206651030826876E-13
node 1.568698067578327E-16 6.940412391216333E-15 8.273728582693269E-14 1.218712122366716E-9 -1.209842064953612E-9 3.470582397516619E-12
peri 5.570299511554077E-14 -8.073672973715984E-14 2.161803551700837E-9 -1.209842064953612E-9 1.551439392694791E-9 -3.409825743583702E-12
i 6.015337465721819E-17 -1.594037190438955E-15 4.206651030826876E-13 3.470582397516619E-12 -3.409825743583702E-12 1.981078644111719E-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 13.57   n/a MPCxxxxx  
diameter diameter 8.498 km 0.256 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.128   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46491 (5070 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

[ show close-approach data ]
Alternate Designations
 5070 T-2 = 2000 JE33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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