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362639 (2011 SJ181)
Classification: Main-belt Asteroid          SPK-ID: 2362639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07808361896803456 1.2658e-07  
a 2.444360251781973 2.3996e-08 au
q 2.25349575726122 3.0491e-07 au
i 6.234515824349188 8.4498e-06 deg
node 228.0340539011687 5.8408e-05 deg
peri 136.7400044740147 7.6411e-05 deg
M 163.9777810880502 5.8102e-05 deg
tp 2458564.687955256820
(2019-Mar-22.18795526)
0.00021944 TDB
period 1395.874090921123
3.82
2.0555e-05
5.628e-08
d
yr
n .2579029171337651 3.7977e-09 deg/d
Q 2.635224746302725 2.587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      6462 days (17.69 yr)  
   first obs. used      2003-08-22  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:18:22  

Additional Information
 Earth MOID = 1.25536 au 
 Jupiter MOID = 2.69608 au 
 T_jup = 3.487 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO528258  

362639 (2011 SJ181)          Discovered 2006-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

Alternate Designations
 2011 SJ181 = 2006 HQ95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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