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27630 (2228 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2027630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349411754497181 4.2926e-08  
a 2.417996433395904 9.5572e-09 au
q 1.849909509100644 1.0382e-07 au
i 4.487265753179257 4.5365e-06 deg
node 244.3036418834134 6.4889e-05 deg
peri 30.02373691767631 6.5539e-05 deg
M 24.42670519796861 9.5996e-06 deg
tp 2458907.315366595049
(2020-Feb-27.81536660)
3.6427e-05 TDB
period 1373.352146918787
3.76
8.1423e-06
2.229e-08
d
yr
n .2621323313235324 1.5541e-09 deg/d
Q 2.986083357691163 1.1803e-08 au
  Orbit Determination Parameters
   # obs. used (total)      631  
   data-arc span      21861 days (59.85 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:29:52  

Additional Information
 Earth MOID = .835277 au 
 Jupiter MOID = 2.139 au 
 T_jup = 3.473 
[ 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 16.0   n/a MPO431817  

27630 (2228 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2228 P-L = 1993 FY63 = 1994 UX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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