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74813 (1999 TB7)
Classification: Main-belt Asteroid          SPK-ID: 2074813
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165752271369617 3.7115e-08  
a 2.281589731978877 8.8563e-09 au
q 2.015612890740079 8.3618e-08 au
i 4.314541890438634 4.7079e-06 deg
node 40.53970308545973 5.2428e-05 deg
peri 63.66172805591602 5.6516e-05 deg
M 173.4540571607517 2.1384e-05 deg
tp 2457993.991740867527
(2017-Aug-28.49174087)
7.3526e-05 TDB
period 1258.794270146918
3.45
7.3293e-06
2.007e-08
d
yr
n .2859879557268585 1.6652e-09 deg/d
Q 2.547566573217674 9.8888e-09 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      7302 days (19.99 yr)  
   first obs. used      1999-10-02  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:56:03  

Additional Information
 Earth MOID = 1.03698 au 
 Jupiter MOID = 2.56819 au 
 T_jup = 3.592 
[ 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 15.6   n/a MPO337822  
diameter diameter 3.584 km 0.818 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.087   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

74813 (1999 TB7)          Discovered 1999-Oct-06 by Korlevic, K., Juric, M. at Visnjan
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TB7 = 2001 FL53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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