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66112 (1998 SP45)
Classification: Main-belt Asteroid          SPK-ID: 2066112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213893358267452 3.4643e-08  
a 2.199613440976557 9.2877e-09 au
q 1.932603826300831 7.8699e-08 au
i 4.064734417749706 4.012e-06 deg
node 175.0417428176888 5.2387e-05 deg
peri 206.2346231698205 5.7113e-05 deg
M 282.5761981162183 2.6758e-05 deg
tp 2459456.765396156211
(2021-Aug-30.26539616)
8.9696e-05 TDB
period 1191.5656474054
3.26
7.547e-06
2.066e-08
d
yr
n .3021235135335511 1.9135e-09 deg/d
Q 2.466623055652283 1.0415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7987 days (21.87 yr)  
   first obs. used      1998-09-02  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:34  

Additional Information
 Earth MOID = .934509 au 
 Jupiter MOID = 2.98253 au 
 T_jup = 3.653 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.68   n/a E2021B10  

66112 (1998 SP45)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 SP45 = 2000 EU59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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