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JPL Small-Body Database Browser
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52871 (1998 SR27)
Classification: Main-belt Asteroid          SPK-ID: 2052871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2667416428509322 5.1818e-08  
a 2.369211935920826 1.4738e-08 au
q 1.737244451871267 1.2579e-07 au
i 23.07389707312952 9.568e-06 deg
node 269.5399759198951 1.9538e-05 deg
peri 136.8970727871589 2.9584e-05 deg
M 213.9774471940264 2.4506e-05 deg
tp 2459140.783532358774
(2020-Oct-18.28353236)
9.4339e-05 TDB
period 1332.000214429904
3.65
1.2429e-05
3.403e-08
d
yr
n .2702702267612472 2.5219e-09 deg/d
Q 3.001179419970384 1.8669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      16144 days (44.20 yr)  
   first obs. used      1975-06-08  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51173  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:21:23  

Additional Information
 Earth MOID = .799681 au 
 Jupiter MOID = 2.46934 au 
 T_jup = 3.393 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO432086  
diameter diameter 2.334 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52871 (1998 SR27)          Discovered 1998-Sep-25 by CSS at Catalina
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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