Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000063546043791 4.5417e-08  
a 3.045722208804023 2.4015e-08 au
q 2.741130633563935 1.3879e-07 au
i 9.656474794365717 4.3632e-06 deg
node 258.6413832352569 3.3775e-05 deg
peri 60.36294123386449 4.4049e-05 deg
M 280.2217449293132 3.1414e-05 deg
tp 2459630.745061797858
(2022-Feb-20.24506180)
0.00017234 TDB
period 1941.48420656721
5.32
2.2962e-05
6.287e-08
d
yr
n .185425149883926 2.193e-09 deg/d
Q 3.350313784044111 2.6416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      8999 days (24.64 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:39  

Additional Information
 Earth MOID = 1.74146 au 
 Jupiter MOID = 1.91221 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 14.35   n/a E2021B10  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 16:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin