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46471 (1160 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2046471
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2759877948290227 3.2045e-08  
a 3.160856784691356 2.1803e-08 au
q 2.288498890914034 1.0422e-07 au
i 24.89306345486295 5.846e-06 deg
node 187.545396095394 9.215e-06 deg
peri 264.7240461774635 1.4569e-05 deg
M 312.1909817274789 1.2582e-05 deg
tp 2459273.091920987938
(2021-Feb-27.59192099)
7.3538e-05 TDB
period 2052.606288551654
5.62
2.1238e-05
5.815e-08
d
yr
n .1753867763184243 1.8147e-09 deg/d
Q 4.033214678468679 2.7821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      17764 days (48.64 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:28:35  

Additional Information
 Earth MOID = 1.45268 au 
 Jupiter MOID = 1.9318 au 
 T_jup = 3.005 
[ 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 13.6   n/a MPO412495  
diameter diameter 11.510 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46471 (1160 T-1)          Discovered 1971-Mar-25 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
 1160 T-1 = 1999 DR5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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