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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438921321184546 2.9673e-08  
a 2.60745963475493 1.2183e-08 au
q 2.232266708497237 7.8192e-08 au
i 11.45546071152928 4.2285e-06 deg
node 187.127512325769 1.7907e-05 deg
peri 253.6803522883562 2.3898e-05 deg
M 328.1667287799509 1.6803e-05 deg
tp 2459136.488939361604
(2020-Oct-13.98893936)
7.2137e-05 TDB
period 1537.88838827673
4.21
1.0779e-05
2.951e-08
d
yr
n .2340872086324779 1.6406e-09 deg/d
Q 2.982652561012623 1.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1141  
   data-arc span      18025 days (49.35 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:22:23  

Additional Information
 Earth MOID = 1.27852 au 
 Jupiter MOID = 2.35848 au 
 T_jup = 3.369 
[ show covariance matrix ]

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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