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52911 (1998 SP97)
Classification: Main-belt Asteroid          SPK-ID: 2052911
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005498561469032 5.4651e-08  
a 2.341929629907543 1.0398e-08 au
q 2.10644894251417 1.2756e-07 au
i 6.64976463795059 6.2645e-06 deg
node 14.94211256587703 3.4213e-05 deg
peri 26.02002949742005 4.0753e-05 deg
M 239.1662491223117 2.2329e-05 deg
tp 2459039.884715022585
(2020-Jul-09.38471502)
8.1821e-05 TDB
period 1309.058903321175
3.58
8.7182e-06
2.387e-08
d
yr
n .2750067235986512 1.8315e-09 deg/d
Q 2.577410317300917 1.1444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      9679 days (26.50 yr)  
   first obs. used      1991-11-08  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58413  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:04:14  

Additional Information
 Earth MOID = 1.11534 au 
 Jupiter MOID = 2.77456 au 
 T_jup = 3.548 
[ 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 15.6   n/a MPO244618  
diameter diameter 1.821 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.369   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52911 (1998 SP97)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SP97 = 1993 FS45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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