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52881 (1998 SN53)
Classification: Main-belt Asteroid          SPK-ID: 2052881
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417250365400018 6.092e-08  
a 2.18033689946193 8.4358e-09 au
q 1.871328572716173 1.3218e-07 au
i 5.414788546580278 5.8594e-06 deg
node 336.9933759544336 3.2216e-05 deg
peri 357.7866846901578 3.3933e-05 deg
M 158.9218918524702 1.1374e-05 deg
tp 2458081.383229210450
(2017-Nov-23.88322921)
3.593e-05 TDB
period 1175.936400617
3.22
6.8246e-06
1.868e-08
d
yr
n .3061390053161994 1.7767e-09 deg/d
Q 2.489345226207686 9.6313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      7520 days (20.59 yr)  
   first obs. used      1998-08-23  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:08:08  

Additional Information
 Earth MOID = .86051 au 
 Jupiter MOID = 2.85096 au 
 T_jup = 3.662 
[ 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 15.7   n/a MPO302354  
diameter diameter 2.004 km 0.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.278   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52881 (1998 SN53)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SN53 = 2000 DZ28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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