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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09986873376772712 4.5695e-08  
a 3.04611883704272 2.4245e-08 au
q 2.741906805881242 1.3937e-07 au
i 9.656143385341236 4.4104e-06 deg
node 258.6441513419891 3.3816e-05 deg
peri 60.29524330319195 4.412e-05 deg
M 243.1935645633591 3.1198e-05 deg
tp 2459630.561525504070
(2022-Feb-20.06152550)
0.00017256 TDB
period 1941.863462689947
5.32
2.3184e-05
6.347e-08
d
yr
n .1853889353792741 2.2134e-09 deg/d
Q 3.350330868204198 2.6667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8986 days (24.60 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:22:55  

Additional Information
 Earth MOID = 1.74414 au 
 Jupiter MOID = 1.91243 au 
 T_jup = 3.209 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457152.5 (2015-May-10.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09840613894811412 4.5703e-08  
q 2.746978841464278 1.3921e-07 au
tp 2457687.923284875812
(2016-Oct-26.42328488)
0.00016245 TDB
node 258.6638450298807 3.3813e-05 deg
peri 60.35675859262983 4.4381e-05 deg
i 9.655226941610115 4.4103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8986 days (24.60 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:22:55  

Additional Information
 Jupiter MOID = 1.91243 au 
 T_jup = 3.209 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.088726139027218E-15 -6.284292253753458E-15 2.538789543388557E-12 7.90606399232751E-15 4.282076257739226E-13 -1.128869154302137E-15
q -6.284292253753458E-15 1.937956540200264E-14 -6.020652546854315E-12 -3.543948153774889E-14 -1.015248630464749E-12 5.046684720866494E-15
tp 2.538789543388557E-12 -6.020652546854315E-12 2.638914613415919E-8 -1.494522414025462E-12 4.719706498874173E-9 1.113686031466105E-12
node 7.90606399232751E-15 -3.543948153774889E-14 -1.494522414025462E-12 1.143291804877778E-9 -1.127182587196899E-9 -2.58235918554104E-11
peri 4.282076257739226E-13 -1.015248630464749E-12 4.719706498874173E-9 -1.127182587196899E-9 1.969699365839175E-9 2.566737708331887E-11
i -1.128869154302137E-15 5.046684720866494E-15 1.113686031466105E-12 -2.58235918554104E-11 2.566737708331887E-11 1.945038827890528E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-28 09:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin