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115121 (2003 SP46)
Classification: Outer Main-belt Asteroid          SPK-ID: 2115121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939896566514105 3.9016e-08  
a 3.209297305880017 2.1835e-08 au
q 2.586726823420056 1.3127e-07 au
i 8.968044417015673 5.4667e-06 deg
node 187.1516936060249 2.7349e-05 deg
peri 235.0403236971262 3.0543e-05 deg
M 313.4851738011853 1.3251e-05 deg
tp 2459471.832774670472
(2021-Sep-14.33277467)
7.7534e-05 TDB
period 2099.971275048189
5.75
2.1432e-05
5.868e-08
d
yr
n .171430916354672 1.7496e-09 deg/d
Q 3.831867788339979 2.6071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49261  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:07  

Additional Information
 Earth MOID = 1.61117 au 
 Jupiter MOID = 1.61898 au 
 T_jup = 3.143 
[ 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 14.73   n/a E2021B55  
diameter diameter 4.643 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.118   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115121 (2003 SP46)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 SP46 = 2000 GQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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