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JPL Small-Body Database Browser
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277019 (2005 AS56)
Classification: Main-belt Asteroid          SPK-ID: 2277019
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3225979553712717 1.1998e-07  
a 2.712511110177158 2.4352e-08 au
q 1.837460572112149 3.2078e-07 au
i 16.84668088528927 1.0069e-05 deg
node 74.35998452223181 2.4178e-05 deg
peri 302.5337470987831 2.6664e-05 deg
M 132.1620589164941 1.0183e-05 deg
tp 2458001.454223713796
(2017-Sep-04.95422371)
4.4125e-05 TDB
period 1631.757867810572
4.47
2.1974e-05
6.016e-08
d
yr
n .220620967792871 2.971e-09 deg/d
Q 3.587561648242168 3.2208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      1999-09-11  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:48:22  

Additional Information
 Earth MOID = .89731 au 
 Jupiter MOID = 2.06061 au 
 T_jup = 3.226 
[ 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 16.1   n/a MPO437261  
diameter diameter 4.127 km 0.803 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277019 (2005 AS56)          Discovered 2005-Jan-15 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 AS56 = 1999 RH257 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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