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115098 (2003 SN18)
Classification: Main-belt Asteroid          SPK-ID: 2115098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1702882496461482 3.9456e-08  
a 2.685915412178909 2.3223e-08 au
q 2.22853557794135 1.042e-07 au
i 11.4284108754317 5.2675e-06 deg
node 179.9359652379478 2.2677e-05 deg
peri 255.6621919490531 2.8232e-05 deg
M 267.8532643869166 2.0052e-05 deg
tp 2459612.042202512773
(2022-Feb-01.54220251)
9.2567e-05 TDB
period 1607.818138308119
4.40
2.0853e-05
5.709e-08
d
yr
n .2239059203417261 2.9039e-09 deg/d
Q 3.143295246416468 2.7178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7539 days (20.64 yr)  
   first obs. used      1999-10-31  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62237  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:01  

Additional Information
 Earth MOID = 1.27455 au 
 Jupiter MOID = 2.25576 au 
 T_jup = 3.325 
[ 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 16.08   n/a E2021B55  
diameter diameter 3.753 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115098 (2003 SN18)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 SN18 = 1999 UN52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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