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120615 (1995 WO27)
Classification: Main-belt Asteroid          SPK-ID: 2120615
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0755374802722313 4.8066e-08  
a 2.710155913988075 1.7114e-08 au
q 2.50543756510053 1.3144e-07 au
i 3.767965590503215 5.4667e-06 deg
node 30.21463516388749 6.9076e-05 deg
peri 16.06816200422614 7.8365e-05 deg
M 167.4651121923678 3.8978e-05 deg
tp 2458242.425853960283
(2018-May-03.92585396)		 0.00017302 TDB
period 1629.633115826592
4.46		 1.5436e-05
4.226e-08		 d
yr
n .2209086183287326 2.0925e-09 deg/d
Q 2.914874262875621 1.8407e-08 au
   Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      9897 days (27.10 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:02  

Additional Information
 Earth MOID = 1.51488 au 
 Jupiter MOID = 2.36896 au 
 T_jup = 3.356 
[ 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 MPO469250  
diameter diameter 3.920 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120615 (1995 WO27)          Discovered 1995-Nov-19 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1995 WO27 = 2002 HE16 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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