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120723 (1997 SA16)
Classification: Main-belt Asteroid          SPK-ID: 2120723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239699996912199 3.3675e-08  
a 2.568491319721878 9.325e-09 au
q 2.250075451609056 8.416e-08 au
i 1.214968073540169 3.8244e-06 deg
node 329.9541130366495 0.00015382 deg
peri 110.7142203681016 0.00015468 deg
M 240.0021085861439 1.6361e-05 deg
tp 2459897.671878835508
(2022-Nov-14.17187884)
6.9518e-05 TDB
period 1503.542056072741
4.12
8.188e-06
2.242e-08
d
yr
n .2394346061328817 1.3039e-09 deg/d
Q 2.886907187834701 1.0481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1997-09-27  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:54:16  

Additional Information
 Earth MOID = 1.26609 au 
 Jupiter MOID = 2.32088 au 
 T_jup = 3.420 
[ 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 15.66   n/a E2021B55  

120723 (1997 SA16)          Discovered 1997-Sep-27 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1997 SA16 = 2001 SQ163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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