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15187 (2112 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015187
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515301290815272 3.067e-08  
a 3.236811052570999 1.6476e-08 au
q 2.746336655962401 9.9414e-08 au
i .1624549192905794 3.4248e-06 deg
node 78.64384401047215 0.0012182 deg
peri 273.3637475939911 0.0012183 deg
M 65.22688544251531 1.1522e-05 deg
tp 2458815.111642723695
(2019-Nov-27.61164272)
6.8674e-05 TDB
period 2127.034085380967
5.82
1.6241e-05
4.447e-08
d
yr
n .1692497560214328 1.2923e-09 deg/d
Q 3.727285449179596 1.8973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1744  
   data-arc span      17302 days (47.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:51:39  

Additional Information
 Earth MOID = 1.73909 au 
 Jupiter MOID = 1.7069 au 
 T_jup = 3.167 
[ 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 13.93   n/a E2021B10  
diameter diameter 7.783 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15187 (2112 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2112 T-2 = 1996 RP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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