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52865 (1998 SH22)
Classification: Main-belt Asteroid          SPK-ID: 2052865
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842166255616515 3.8401e-08  
a 2.271136053502785 8.6641e-09 au
q 1.852755033535096 8.8154e-08 au
i 6.305430656127268 6.0236e-06 deg
node 350.0412223952295 3.6972e-05 deg
peri 59.39064177615881 4.1436e-05 deg
M 329.5566316871081 1.8162e-05 deg
tp 2458706.219075217957
(2019-Aug-10.71907522)
6.3356e-05 TDB
period 1250.152962290568
3.42
7.1537e-06
1.959e-08
d
yr
n .2879647618003457 1.6478e-09 deg/d
Q 2.689517073470475 1.026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      13920 days (38.11 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:06:24  

Additional Information
 Earth MOID = .87121 au 
 Jupiter MOID = 2.71653 au 
 T_jup = 3.582 
[ 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 15.6   n/a MPO359099  
diameter diameter 2.214 km 0.688 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52865 (1998 SH22)          Discovered 1998-Sep-23 by Visnjan at Visnjan
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SH22 = 1981 UP27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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