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74812 (1999 TN5)
Classification: Main-belt Asteroid          SPK-ID: 2074812
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0902953052146573 4.2147e-08  
a 2.37739238895083 9.7242e-09 au
q 2.162725017575512 1.0289e-07 au
i 2.276196718220753 4.9335e-06 deg
node 173.6913158266548 9.123e-05 deg
peri 198.7535140344257 9.4009e-05 deg
M 126.0132359517839 2.3734e-05 deg
tp 2458131.834060341673
(2018-Jan-13.33406034)
8.7365e-05 TDB
period 1338.904893622084
3.67
8.2148e-06
2.249e-08
d
yr
n .268876453969861 1.6497e-09 deg/d
Q 2.592059760326149 1.0602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      8147 days (22.31 yr)  
   first obs. used      1996-12-12  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57959  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:33:48  

Additional Information
 Earth MOID = 1.16189 au 
 Jupiter MOID = 2.79322 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO366106  
diameter diameter 2.076 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74812 (1999 TN5)          Discovered 1999-Oct-01 by Korlevic, K., Juric, M. at Visnjan
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TN5 = 2001 DF69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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