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118296 (1998 SL122)
Classification: Main-belt Asteroid          SPK-ID: 2118296
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2456815335515052 5.8104e-08  
a 2.349131333467963 8.3748e-09 au
q 1.771993144947661 1.3478e-07 au
i 4.504457066567857 6.4786e-06 deg
node 208.3103679838562 5.2765e-05 deg
peri 152.5559078012325 5.3549e-05 deg
M 14.2713964456412 9.1441e-06 deg
tp 2458948.365724430561
(2020-Apr-08.86572443)
3.3266e-05 TDB
period 1315.101803561099
3.60
7.0326e-06
1.925e-08
d
yr
n .2737430661452777 1.4639e-09 deg/d
Q 2.926269521988265 1.0432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      7544 days (20.65 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55742  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:29:38  

Additional Information
 Earth MOID = .770728 au 
 Jupiter MOID = 2.54038 au 
 T_jup = 3.514 
[ 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 16.2   n/a MPO436568  
diameter diameter 3.682 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118296 (1998 SL122)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 SL122 = 2005 OY7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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