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JPL Small-Body Database Browser
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27057 (1998 SP33)
Classification: Mars-crossing Asteroid          SPK-ID: 2027057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .303823613583408 3.1345e-08  
a 2.260373261108283 7.8247e-09 au
q 1.573618488871052 7.2201e-08 au
i 4.871589487730641 5.1225e-06 deg
node 346.9640608915917 4.1535e-05 deg
peri 100.5453428851411 4.2873e-05 deg
M 326.4625510651317 1.0494e-05 deg
tp 2458716.136833902123
(2019-Aug-20.63683390)
3.6579e-05 TDB
period 1241.276886790365
3.40
6.4454e-06
1.765e-08
d
yr
n .2900239292547137 1.506e-09 deg/d
Q 2.947128033345514 1.0202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      10370 days (28.39 yr)  
   first obs. used      1991-07-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52284  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:06  

Additional Information
 Earth MOID = .599128 au 
 Jupiter MOID = 2.30687 au 
 T_jup = 3.553 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO452548  
diameter diameter 2.723 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.416   0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

27057 (1998 SP33)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SP33 = 2000 JZ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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