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357798 (2005 TW78)
Classification: Main-belt Asteroid          SPK-ID: 2357798
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807687721067876 8.7824e-08  
a 3.107293014123018 3.7558e-08 au
q 2.545591471384001 2.6832e-07 au
i 24.41274268732746 8.8616e-06 deg
node 64.20513745002125 1.4476e-05 deg
peri 321.7773803760605 2.1482e-05 deg
M 178.1019876828953 1.9593e-05 deg
tp 2457610.721523622124
(2016-Aug-10.22152362)
0.00010063 TDB
period 2000.652862619657
5.48
3.6273e-05
9.931e-08
d
yr
n .1799412615383038 3.2624e-09 deg/d
Q 3.668994556862035 4.4347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      5430 days (14.87 yr)  
   first obs. used      2004-07-18  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59423  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:06  

Additional Information
 Earth MOID = 1.58876 au 
 Jupiter MOID = 1.82879 au 
 T_jup = 3.059 
[ 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 15.2   n/a MPO437511  
diameter diameter 5.781 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

357798 (2005 TW78)          Discovered 2005-Oct-07 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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