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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511362052552497 7.8928e-08  
a 2.69693089080565 3.5683e-08 au
q 2.289326990133624 2.3106e-07 au
i 12.0494752174867 7.5439e-06 deg
node 287.4783547693263 3.0006e-05 deg
peri 287.0245308058267 4.8041e-05 deg
M 289.5060291591647 4.7995e-05 deg
tp 2457917.276260170880
(2017-Jun-12.77626017)
0.00021954 JED
period 1617.719250331358
4.43
3.2106e-05
8.79e-08
d
yr
n .2225355233463785 4.4166e-09 deg/d
Q 3.104534791477676 4.1076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1996-10-07  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53508  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:56:00  

Additional Information
 Earth MOID = 1.31572 au 
 Jupiter MOID = 2.05574 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 14.0 mag n/a MPO365613  

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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