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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419122070644298 4.03e-08  
a 2.180366680952171 7.5527e-09 au
q 1.870946033048503 9.0426e-08 au
i 5.415125977967863 4.1093e-06 deg
node 336.9912371850082 3.0696e-05 deg
peri 357.7203769909088 3.2429e-05 deg
M 281.4738082999898 1.166e-05 deg
tp 2459257.010275529188
(2021-Feb-11.51027553)
3.8802e-05 TDB
period 1175.960494089461
3.22
6.1102e-06
1.673e-08
d
yr
n .3061327330377249 1.5907e-09 deg/d
Q 2.48978732885584 8.6245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      7969 days (21.82 yr)  
   first obs. used      1998-08-23  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:06:07  

Additional Information
 Earth MOID = .861025 au 
 Jupiter MOID = 2.85294 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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