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115201 (2003 SM111)
Classification: Main-belt Asteroid          SPK-ID: 2115201
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547276907443268 6.8135e-08  
a 2.613109353415626 1.4247e-08 au
q 2.208788977499225 1.8564e-07 au
i 22.5497789817412 4.4874e-06 deg
node 342.7859703298319 1.0313e-05 deg
peri 152.9983701811787 1.9004e-05 deg
M 289.309407932184 1.9302e-05 deg
tp 2459503.466020125679
(2021-Oct-15.96602013)
8.4035e-05 TDB
period 1542.889429198893
4.22
1.2618e-05
3.455e-08
d
yr
n .2333284506245669 1.9082e-09 deg/d
Q 3.017429729332027 1.6451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1999-10-18  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:17  

Additional Information
 Earth MOID = 1.23529 au 
 Jupiter MOID = 2.0165 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457880.5 (2017-May-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533657909231257 6.8146e-08  
q 2.212789811037061 1.8551e-07 au
tp 2457960.725937101440
(2017-Jul-26.22593710)
7.8595e-05 TDB
node 342.8728812366978 1.0305e-05 deg
peri 153.0447452982145 1.9131e-05 deg
i 22.54870652354116 4.4897e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1999-10-18  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:17  

Additional Information
 Jupiter MOID = 2.0165 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.643849764601422E-15 -1.262513413854478E-14 -1.894603146317137E-12 3.361104321277321E-15 -5.232456887349865E-14 -1.053761623288061E-14
q -1.262513413854478E-14 3.441570057731979E-14 5.33651853576965E-12 -8.306769089999942E-15 1.796220478321884E-13 3.06275827505278E-14
tp -1.894603146317137E-12 5.33651853576965E-12 6.177223349596025E-9 -4.144828445302085E-12 1.222940731288529E-9 3.156524230875835E-11
node 3.361104321277321E-15 -8.306769089999942E-15 -4.144828445302085E-12 1.061984023823318E-10 -9.857274024343705E-11 1.724943312735783E-11
peri -5.232456887349865E-14 1.796220478321884E-13 1.222940731288529E-9 -9.857274024343705E-11 3.660080305386456E-10 -9.901039314804825E-12
i -1.053761623288061E-14 3.06275827505278E-14 3.156524230875835E-11 1.724943312735783E-11 -9.901039314804825E-12 2.015732870761807E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.45   n/a MPCxxxxx  
diameter diameter 3.937 km 1.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115201 (2003 SM111)          Discovered 2003-Sep-19 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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