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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507416375786307 8.0408e-08  
a 2.697299682232197 4.0336e-08 AU
q 2.290704311092195 2.341e-07 AU
i 12.04928943228417 8.153e-06 deg
node 287.4854050186792 3.671e-05 deg
peri 287.0715297448393 5.3536e-05 deg
M 155.9014478251538 4.6794e-05 deg
tp 2456299.787481589188
(2013-Jan-07.28748159)
0.00020345 JED
period 1618.051083853964
4.43
3.6295e-05
9.937e-08
d
yr
n .2224898852652612 4.9907e-09 deg/d
Q 3.103895053372198 4.6416e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      6624 days (18.14 yr)  
   first obs. used      1996-10-07  
   last obs. used      2014-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53851  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:23:01  

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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