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155373 (1991 TV16)
Classification: Main-belt Asteroid          SPK-ID: 2155373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309579727775619 5.6953e-08  
a 2.340828063344571 1.4333e-08 au
q 2.03427796554814 1.3446e-07 au
i 3.211223725763118 6.7399e-06 deg
node 134.1609718772782 8.8858e-05 deg
peri 352.3867188707113 9.1904e-05 deg
M 281.3548261622093 2.6601e-05 deg
tp 2459286.273711950150
(2021-Mar-12.77371195)
9.8281e-05 TDB
period 1308.135404649823
3.58
1.2014e-05
3.289e-08
d
yr
n .2752008689011586 2.5276e-09 deg/d
Q 2.647378161141002 1.621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      10215 days (27.97 yr)  
   first obs. used      1991-10-07  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60428  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:04:04  

Additional Information
 Earth MOID = 1.04955 au 
 Jupiter MOID = 2.39981 au 
 T_jup = 3.551 
[ 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 16.7   n/a MPO236937  
diameter diameter 2.154 km 0.435 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

155373 (1991 TV16)          Discovered 1991-Oct-07 by Lowe, A. at Palomar
Reference: 20070502/Numbers.arcLast Updated: 2007-05-02

Alternate Designations
 1991 TV16 = 2000 GR112 = 2000 GX155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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