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115177 (2003 ST87)
Classification: Main-belt Asteroid          SPK-ID: 2115177
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03183265618619439 4.4163e-08  
a 3.007099017732388 2.4834e-08 au
q 2.91137506858307 1.373e-07 au
i 8.654929583193816 5.1663e-06 deg
node 262.404711032059 3.0618e-05 deg
peri 319.0954358107056 8.7589e-05 deg
M 248.5599739145845 8.4218e-05 deg
tp 2459790.101696324995
(2022-Jul-29.60169633)
0.00044755 TDB
period 1904.67122211825
5.21
2.3594e-05
6.46e-08
d
yr
n .1890089984137166 2.3414e-09 deg/d
Q 3.102822966881706 2.5624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      2000-01-05  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:42:23  

Additional Information
 Earth MOID = 1.90486 au 
 Jupiter MOID = 1.93557 au 
 T_jup = 3.233 
[ 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 14.85   n/a MPCxxxxx  
diameter diameter 3.925 km 1.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115177 (2003 ST87)          Discovered 2003-Sep-17 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 ST87 = 2000 AM109 = 2001 FD170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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