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28018 (1998 AG)
Classification: Main-belt Asteroid          SPK-ID: 2028018
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08005209581607019 5.5285e-08  
a 3.004016986849563 3.0046e-08 au
q 2.763539131185179 1.6935e-07 au
i 11.12924409806886 5.7023e-06 deg
node 140.2562101683099 2.6373e-05 deg
peri 212.6593443035897 4.3496e-05 deg
M 272.7683320998012 3.8404e-05 deg
tp 2457861.311892541098
(2017-Apr-17.81189254)
0.00020694 JED
period 1901.743773884866
5.21
2.8532e-05
7.812e-08
d
yr
n .1892999493115706 2.84e-09 deg/d
Q 3.244494842513946 3.2451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      1997-12-27  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5349  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:41:52  

Additional Information
 Earth MOID = 1.76135 au 
 Jupiter MOID = 2.13753 au 
 T_jup = 3.218 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a MPO299158  

28018 (1998 AG)          Discovered 1998-Jan-04 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 AG = 1970 UC = 1999 GO38 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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