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27053 (1998 SU21)
Classification: Main-belt Asteroid          SPK-ID: 2027053
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158536215325855 2.6233e-08  
a 2.27481102788301 6.6183e-09 au
q 2.0112659320005 6.0148e-08 au
i 3.090019090672736 3.9121e-06 deg
node 186.0611479196309 5.6268e-05 deg
peri 277.8459530301223 6.0118e-05 deg
M 17.29076437349465 1.8567e-05 deg
tp 2458940.309478501276
(2020-Mar-31.80947850)
6.4691e-05 TDB
period 1253.188538776034
3.43
5.469e-06
1.497e-08
d
yr
n .2872672298388599 1.2537e-09 deg/d
Q 2.538356123765519 7.3851e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1398  
   data-arc span      8815 days (24.13 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:17  

Additional Information
 Earth MOID = 1.03087 au 
 Jupiter MOID = 2.57475 au 
 T_jup = 3.599 
[ 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 15.3   n/a MPO452548  
diameter diameter 1.909 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.442   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27053 (1998 SU21)          Discovered 1998-Sep-17 by Visnjan at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SU21 = 1997 LA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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