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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07985923438111442 6.0072e-08  
a 3.004004742643011 3.2894e-08 AU
q 2.764107223818303 1.7927e-07 AU
i 11.12921951818277 6.7145e-06 deg
node 140.2582145213659 2.6779e-05 deg
peri 212.7812210710118 4.4948e-05 deg
M 196.8942084348883 3.8361e-05 deg
tp 2457862.120908743288
(2017-Apr-18.62090874)
0.00020922 JED
period 1901.732146793566
5.21
3.1236e-05
8.552e-08
d
yr
n .1893011066816016 3.1093e-09 deg/d
Q 3.243902261467718 3.5521e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      6020 days (16.48 yr)  
   first obs. used      1997-12-27  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53999  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:58:07  

Additional Information
 Earth MOID = 1.76435 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 (327)
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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