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187293 (2005 TV121)
Classification: Main-belt Asteroid          SPK-ID: 2187293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05215477307041692 4.7786e-08  
a 3.056276012059624 3.1185e-08 au
q 2.896876630210095 1.5157e-07 au
i 9.007995509060624 5.5164e-06 deg
node 195.1680676445423 2.488e-05 deg
peri 145.9684051253539 5.4803e-05 deg
M 340.5200833274001 5.1178e-05 deg
tp 2459306.101935971832
(2021-Apr-01.60193597)
0.00027827 TDB
period 1951.584166852891
5.34
2.9869e-05
8.178e-08
d
yr
n .1844655260656952 2.8233e-09 deg/d
Q 3.215675393909152 3.2811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:33:25  

Additional Information
 Earth MOID = 1.893 au 
 Jupiter MOID = 2.01665 au 
 T_jup = 3.214 
[ 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 15.4   n/a MPO436926  
diameter diameter 4.266 km 1.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187293 (2005 TV121)          Discovered 2005-Oct-07 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 TV121 = 1997 ET12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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