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JPL Small-Body Database Browser
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52931 (1998 SN127)
Classification: Main-belt Asteroid          SPK-ID: 2052931
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03906777762032496 4.1041e-08  
a 2.248569592089931 8.5891e-09 au
q 2.160722975302337 9.4749e-08 au
i 4.776476148215654 3.8366e-06 deg
node 103.5242462426625 5.2417e-05 deg
peri 317.6517019152221 7.4185e-05 deg
M 352.7312500397447 5.2642e-05 deg
tp 2458625.366528275781
(2019-May-21.86652828)
0.00018012 TDB
period 1231.566669403871
3.37
7.0565e-06
1.932e-08
d
yr
n .292310606436154 1.6749e-09 deg/d
Q 2.336416208877525 8.9247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      7443 days (20.38 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:08:20  

Additional Information
 Earth MOID = 1.17612 au 
 Jupiter MOID = 2.76229 au 
 T_jup = 3.623 
[ 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 15.4   n/a MPO459212  
diameter diameter 2.163 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52931 (1998 SN127)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SN127 = 2000 FN16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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