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JPL Small-Body Database Browser
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46480 (1170 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046480
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436110219862518 2.9662e-08  
a 2.607624210518191 1.2314e-08 au
q 2.23314063268958 7.8087e-08 au
i 11.45499973153063 4.2297e-06 deg
node 187.1331945629164 1.7913e-05 deg
peri 253.644466697089 2.3934e-05 deg
M 234.5356836459574 1.6622e-05 deg
tp 2459136.523286895179
(2020-Oct-14.02328690)
7.2369e-05 TDB
period 1538.03399157522
4.21
1.0894e-05
2.983e-08
d
yr
n .2340650479585929 1.658e-09 deg/d
Q 2.982107788346801 1.4082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      17753 days (48.61 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:21  

Additional Information
 Earth MOID = 1.27919 au 
 Jupiter MOID = 2.36003 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423684165881603 2.9412e-08  
q 2.237344649023009 7.7377e-08 au
tp 2457594.348728787435
(2016-Jul-24.84872879)
7.012e-05 TDB
node 187.2204759584503 1.7874e-05 deg
peri 252.8805475768697 2.4106e-05 deg
i 11.46424807549705 4.2343e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      17753 days (48.61 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:27:21  

Additional Information
 Jupiter MOID = 2.36003 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.650618237769814E-16 -2.254482553423038E-15 3.064529548434931E-13 -7.947015010365761E-15 7.484767751356698E-14 9.970955206876134E-16
q -2.254482553423038E-15 5.987132231687716E-15 -6.055612320227421E-13 1.953858241117766E-14 -1.598849197394629E-13 -2.550515060098878E-15
tp 3.064529548434931E-13 -6.055612320227421E-13 4.916831169165559E-9 -1.791359928107528E-11 1.145301698963803E-9 -3.774048316562328E-12
node -7.947015010365761E-15 1.953858241117766E-14 -1.791359928107528E-11 3.194856108616857E-10 -3.167590503363525E-10 -1.604870671741813E-11
peri 7.484767751356698E-14 -1.598849197394629E-13 1.145301698963803E-9 -3.167590503363525E-10 5.81096324510058E-10 1.481387349783242E-11
i 9.970955206876134E-16 -2.550515060098878E-15 -3.774048316562328E-12 -1.604870671741813E-11 1.481387349783242E-11 1.792970047584067E-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 14.9   n/a MPO439410  

46480 (1170 T-2)          Discovered 1973-Sep-29 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
 1170 T-2 = 1026 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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