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190821 (2001 SJ16)
Classification: Main-belt Asteroid          SPK-ID: 2190821
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 .2209585211183104 1.0425e-07  
a 2.300972742823164 9.2217e-09 au
q 1.792553208435415 2.3819e-07 au
i .7853605046012193 5.1716e-06 deg
node 59.17513099544689 0.00045304 deg
peri 321.0084481490443 0.00045341 deg
M 171.1304051445588 1.6966e-05 deg
tp 2458594.475313266198
(2019-Apr-20.97531327)
5.9809e-05 TDB
period 1274.869226423412
3.49
7.664e-06
2.098e-08
d
yr
n .2823819043855688 1.6976e-09 deg/d
Q 2.809392277210912 1.1259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      8779 days (24.04 yr)  
   first obs. used      1996-03-11  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62845  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:15  

Additional Information
 Earth MOID = .793836 au 
 Jupiter MOID = 2.65155 au 
 T_jup = 3.558 
[ 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 17.95   n/a E2021B55  

190821 (2001 SJ16)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

Alternate Designations
 2001 SJ16 = 2005 YY287 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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