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JPL Small-Body Database Browser
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65580 (4181 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2065580
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03422714764015629 4.2293e-08  
a 3.100860323215116 2.6788e-08 au
q 2.99472671912093 1.3777e-07 au
i 11.02188328723082 7.1156e-06 deg
node 22.26121067514513 2.3894e-05 deg
peri 287.0050935076378 0.00010527 deg
M 247.8711690866637 0.00010304 deg
tp 2459621.707265269621
(2022-Feb-11.20726527)
0.00057147 TDB
period 1994.443477876883
5.46
2.5844e-05
7.076e-08
d
yr
n .180501480234088 2.339e-09 deg/d
Q 3.206993927309303 2.7705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      16939 days (46.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:12  

Additional Information
 Earth MOID = 2.00551 au 
 Jupiter MOID = 1.89227 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456828.5 (2014-Jun-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03239099008002896 4.2181e-08  
q 3.001445421532613 1.3709e-07 au
tp 2457624.942535052309
(2016-Aug-24.44253505)
0.00060337 TDB
node 22.29491309571069 2.3896e-05 deg
peri 286.7191097475927 0.00011113 deg
i 11.02047276178709 7.1144e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      16939 days (46.38 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:42:12  

Additional Information
 Jupiter MOID = 1.89227 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.779249219260075E-15 -5.68165028179767E-15 4.681092280420967E-12 1.865649046650716E-15 8.315630806057711E-13 -9.748361372736527E-17
q -5.68165028179767E-15 1.879261736967348E-14 -1.404454766967122E-11 -6.080102876776975E-15 -2.544416962388495E-12 3.415430117410568E-15
tp 4.681092280420967E-12 -1.404454766967122E-11 3.64049866340686E-7 1.181051528228724E-10 6.549000521633952E-8 -3.772247619932357E-12
node 1.865649046650716E-15 -6.080102876776975E-15 1.181051528228724E-10 5.710111012321348E-10 -5.385329207755944E-10 7.140873157247645E-12
peri 8.315630806057711E-13 -2.544416962388495E-12 6.549000521633952E-8 -5.385329207755944E-10 1.234944104303718E-8 -7.621741564486929E-12
i -9.748361372736527E-17 3.415430117410568E-15 -3.772247619932357E-12 7.140873157247645E-12 -7.621741564486929E-12 5.061469639281939E-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 14.6   n/a MPO287225  

65580 (4181 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4181 T-2 = 2001 TD34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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