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487021 (2014 OD18)
Classification: Main-belt Asteroid          SPK-ID: 2487021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304497435219434 8.5796e-08  
a 3.152445796369241 5.9822e-08 au
q 2.741210050766045 2.4175e-07 au
i 9.731734258733827 8.8926e-06 deg
node 291.9772048211078 3.6784e-05 deg
peri 74.7000143337989 8.2711e-05 deg
M 34.96769859392986 5.8035e-05 deg
tp 2459197.920497580085
(2020-Dec-14.42049758)
0.00033387 TDB
period 2044.418813526931
5.60
5.8193e-05
1.593e-07
d
yr
n .1760891641272591 5.0123e-09 deg/d
Q 3.563681541972437 6.7626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6345 days (17.37 yr)  
   first obs. used      2003-07-24  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:19:57  

Additional Information
 Earth MOID = 1.75895 au 
 Jupiter MOID = 1.98722 au 
 T_jup = 3.172 
[ 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 16.34   n/a E2021B25  

487021 (2014 OD18)          Discovered 2014-Jun-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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