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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158062725781643 2.6607e-08  
a 2.274404984753424 6.6798e-09 au
q 2.011014621135934 6.0841e-08 au
i 3.090268410222465 4.0783e-06 deg
node 186.0677549917036 5.6435e-05 deg
peri 277.9571338266081 6.031e-05 deg
M 262.2645052319771 1.8891e-05 deg
tp 2458940.633916414679
(2020-Apr-01.13391641)
6.5436e-05 TDB
period 1252.853021309379
3.43
5.5194e-06
1.511e-08
d
yr
n .2873441607889148 1.2659e-09 deg/d
Q 2.537795348370915 7.4534e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1334  
   data-arc span      8759 days (23.98 yr)  
   first obs. used      1995-12-14  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52068  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:34:06  

Additional Information
 Earth MOID = 1.03079 au 
 Jupiter MOID = 2.57632 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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