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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143892109534266 2.9679e-08  
a 2.607459635706413 1.2193e-08 au
q 2.232266768199168 7.8201e-08 au
i 11.45546503221934 4.2299e-06 deg
node 187.1275187515808 1.7913e-05 deg
peri 253.6803457214562 2.3912e-05 deg
M 328.1667246413347 1.6824e-05 deg
tp 2459136.488957115844
(2020-Oct-13.98895712)
7.223e-05 TDB
period 1537.888389118511
4.21
1.0788e-05
2.954e-08
d
yr
n .2340872085043474 1.642e-09 deg/d
Q 2.982652503213657 1.3948e-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 = 1.27852 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1968-Nov-30 10:48 < 00:01 Inter 0.0334649426361534 0.0334625634370264 0.0334673222738419 6.73557283237058 6.73557276742433 2440190.950165355 0.532467542264402 230.42272780126 30.3359644451125 59.8659586282159 143092.364197844 T 24 CATAB v2.0f-lin.ifort 2019-Nov-07 06:27:27 2019-Nov-07 06:27

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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