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27228 (1999 JG11)
Classification: Main-belt Asteroid          SPK-ID: 2027228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600536198376315 3.5776e-08  
a 2.75645721477717 1.3386e-08 au
q 2.315276259624528 9.7333e-08 au
i 11.32375302294699 5.217e-06 deg
node 218.1576271084363 2.0605e-05 deg
peri 69.01667432137835 2.6426e-05 deg
M 180.1026875488549 1.7363e-05 deg
tp 2459835.809624026623
(2022-Sep-13.30962403)
8.2537e-05 TDB
period 1671.572857605912
4.58
1.2176e-05
3.334e-08
d
yr
n .2153660238989554 1.5688e-09 deg/d
Q 3.197638169929811 1.5529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      9417 days (25.78 yr)  
   first obs. used      1994-04-15  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:59:40  

Additional Information
 Earth MOID = 1.32814 au 
 Jupiter MOID = 2.01252 au 
 T_jup = 3.297 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO459047  

27228 (1999 JG11)          Discovered 1999-May-09 by Korlevic, K. at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2025-Dec-06 14:46 < 00:01 Eunom 0.0175771544275313 0.0175757384422636 0.0175785706649878 6.38690121182655 6.38690108678478 2461016.115194559 0.571165265852483 199.714720414479 58.3980944116597 78.0182168791279 44111.0252075093 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 00:59:51 2020-Feb-23 00:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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