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11222 (1999 JR27)
Classification: Main-belt Asteroid          SPK-ID: 2011222
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167800497466392 4.2409e-08  
a 2.986937558575689 1.5417e-08 au
q 2.638122841895115 1.3324e-07 au
i 9.783416061406831 4.4842e-06 deg
node 213.1500073902642 1.8845e-05 deg
peri 156.5390686060198 2.4856e-05 deg
M 248.6740965155692 1.7586e-05 deg
tp 2459583.584330101724
(2022-Jan-04.08433010)
9.4421e-05 TDB
period 1885.548217140472
5.16
1.4598e-05
3.997e-08
d
yr
n .1909259051173764 1.4782e-09 deg/d
Q 3.335752275256263 1.7218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1916  
   data-arc span      16344 days (44.75 yr)  
   first obs. used      1975-11-02  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:23:05  

Additional Information
 Earth MOID = 1.64179 au 
 Jupiter MOID = 2.14495 au 
 T_jup = 3.225 
[ 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 13.1   n/a MPO473918  

11222 (1999 JR27)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JR27 = 1975 VB4 = 1985 SN = 1998 DO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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