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30445 Stirling (2000 NJ2)
Classification: Main-belt Asteroid          SPK-ID: 2030445
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507416498327743 8.3385e-08  
a 2.697299674763161 4.2658e-08 AU
q 2.290704271695956 2.4473e-07 AU
i 12.0492884388504 8.5184e-06 deg
node 287.4854049375145 3.6721e-05 deg
peri 287.0715309536257 5.3615e-05 deg
M 155.9014494742299 4.6849e-05 deg
tp 2456299.787477087766
(2013-Jan-07.28747709)
0.00020351 JED
period 1618.051077133197
4.43
3.8384e-05
1.051e-07
d
yr
n .2224898861893994 5.278e-09 deg/d
Q 3.103895077830365 4.9088e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      6514 days (17.83 yr)  
   first obs. used      1996-10-07  
   last obs. used      2014-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54731  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:27:01  

Additional Information
 Earth MOID = 1.31876 AU 
 T_jup = 3.321 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO231624  

30445 Stirling           Discovered 2000 July 5 by P. G. Comba at Prescott.
James Stirling (1692-1770) was a Scottish mathematician best known for his derivation of an asymptotic formula for factorials.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 2000 NJ2 = 1999 CH115 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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