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JPL Small-Body Database Browser
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52477 (1995 SG77)
Classification: Main-belt Asteroid          SPK-ID: 2052477
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09943908310959404 5.1532e-08  
a 3.047358409108329 2.6661e-08 au
q 2.744331883000286 1.5296e-07 au
i 9.656197541682683 5.1527e-06 deg
node 258.6471790619547 3.3984e-05 deg
peri 60.20598913184349 4.4787e-05 deg
M 169.1427721578319 3.0943e-05 deg
tp 2457687.575895548454
(2016-Oct-26.07589555)
0.00016191 TDB
period 1943.048901290806
5.32
2.5499e-05
6.981e-08
d
yr
n .1852758310719019 2.4314e-09 deg/d
Q 3.350384935216373 2.9312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      8556 days (23.43 yr)  
   first obs. used      1995-09-21  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:06:17  

Additional Information
 Earth MOID = 1.74568 au 
 Jupiter MOID = 1.91 au 
 T_jup = 3.209 
[ 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 14.3   n/a MPO385153  
diameter diameter 4.122 km 0.379 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.217   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

52477 (1995 SG77)          Discovered 1995-Sep-21 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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