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JPL Small-Body Database Browser
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74996 (1999 TV271)
Classification: Main-belt Asteroid          SPK-ID: 2074996
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139715167498786 4.4342e-08  
a 2.412654000493597 1.3898e-08 au
q 2.075569642698018 1.0506e-07 au
i 5.761342924288872 4.761e-06 deg
node 289.6595320455218 4.7828e-05 deg
peri 24.03729840446555 5.1392e-05 deg
M 129.7826511535172 2.1346e-05 deg
tp 2458107.036387545581
(2017-Dec-19.53638755)
7.9156e-05 TDB
period 1368.803140517264
3.75
1.1827e-05
3.238e-08
d
yr
n .2630034877505891 2.2725e-09 deg/d
Q 2.749738358289175 1.584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      7096 days (19.43 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57516  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:39:11  

Additional Information
 Earth MOID = 1.06206 au 
 Jupiter MOID = 2.50097 au 
 T_jup = 3.498 
[ 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 15.4   n/a MPO266276  
diameter diameter 2.036 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74996 (1999 TV271)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TV271 = 2002 JL111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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