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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09986873531948429 4.842e-08  
a 3.046118838000348 2.5293e-08 au
q 2.741906802016397 1.4564e-07 au
i 9.656144968526101 4.7835e-06 deg
node 258.64415395 3.3929e-05 deg
peri 60.29523977724162 4.4395e-05 deg
M 243.1935651372174 3.1215e-05 deg
tp 2459630.561522705755
(2022-Feb-20.06152271)
0.0001726 TDB
period 1941.863463605661
5.32
2.4186e-05
6.622e-08
d
yr
n .1853889352918512 2.309e-09 deg/d
Q 3.3503308739843 2.7819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      8895 days (24.35 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:29:18  

Additional Information
 Earth MOID = 1.74414 au 
 Jupiter MOID = 1.91243 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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