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39462 (5175 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704030395399223 3.6904e-08  
a 2.44025883757709 8.003e-09 au
q 2.024431314389797 8.8044e-08 au
i 11.03963069309698 3.0413e-06 deg
node 102.8183573840629 2.2024e-05 deg
peri 50.01408188943577 2.4604e-05 deg
M 52.94339736049258 1.0253e-05 deg
tp 2459191.732242620454
(2020-Dec-08.23224262)
3.9451e-05 TDB
period 1392.362340382132
3.81
6.8495e-06
1.875e-08
d
yr
n .2585533876915965 1.2719e-09 deg/d
Q 2.856086360764384 9.3668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1711  
   data-arc span      15961 days (43.70 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:29:27  

Additional Information
 Earth MOID = 1.05579 au 
 Jupiter MOID = 2.204 au 
 T_jup = 3.457 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457703.5 (2016-Nov-11.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703338891785657 3.7044e-08  
q 2.024612024789347 8.8432e-08 au
tp 2457800.599420139635
(2017-Feb-16.09942014)
3.8638e-05 TDB
node 102.8548141227932 2.2035e-05 deg
peri 50.36283746686891 2.4598e-05 deg
i 11.03700231398521 3.0405e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1711  
   data-arc span      15961 days (43.70 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:29:27  

Additional Information
 Jupiter MOID = 2.204 au 
 T_jup = 3.457 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.37226527180616E-15 -3.267668356691269E-15 4.161519828356632E-13 7.133550255072627E-15 1.036505591271838E-13 -6.285858098816737E-15
q -3.267668356691269E-15 7.820135512830361E-15 -1.015608568823693E-12 -1.61848108477543E-14 -2.553993013167208E-13 1.512785619606516E-14
tp 4.161519828356632E-13 -1.015608568823693E-12 1.492920446942705E-9 2.181401080963583E-13 4.42342249352508E-10 -3.60798127243556E-12
node 7.133550255072627E-15 -1.61848108477543E-14 2.181401080963583E-13 4.855226200960107E-10 -4.763589050349528E-10 4.401274578044444E-12
peri 1.036505591271838E-13 -2.553993013167208E-13 4.42342249352508E-10 -4.763589050349528E-10 6.050596921360301E-10 -5.423043505235639E-12
i -6.285858098816737E-15 1.512785619606516E-14 -3.60798127243556E-12 4.401274578044444E-12 -5.423043505235639E-12 9.244832961990833E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.87   n/a MPCxxxxx  
diameter diameter 5.337 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39462 (5175 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 5175 T-3 = 1989 YK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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