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JPL Small-Body Database Browser
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245536 (2005 SR285)
Classification: Outer Main-belt Asteroid          SPK-ID: 2245536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191852864629398 7.6864e-08  
a 3.225353721428406 3.6862e-08 au
q 2.606560370529277 2.5484e-07 au
i 17.11186550135441 8.9157e-06 deg
node 160.9945215541532 2.052e-05 deg
peri 89.28041092197184 3.3663e-05 deg
M 326.9544738820763 2.8299e-05 deg
tp 2459194.711356707204
(2020-Dec-11.21135671)
0.00016673 TDB
period 2115.750500237053
5.79
3.6271e-05
9.93e-08
d
yr
n .1701523879869885 2.917e-09 deg/d
Q 3.844147072327535 4.3935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1998-08-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:06:43  

Additional Information
 Earth MOID = 1.6643 au 
 Jupiter MOID = 1.57065 au 
 T_jup = 3.090 
[ 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 15.6   n/a MPO433608  
diameter diameter 5.151 km 1.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245536 (2005 SR285)          Discovered 2005-Sep-25 by Becker, A. C. at Apache Point
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2005 SR285 = 2004 RB120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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