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213068 (1999 SU23)
Classification: Main-belt Asteroid          SPK-ID: 2213068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310077795274956 6.0209e-08  
a 2.333716563733502 1.5726e-08 au
q 1.794609882298889 1.3972e-07 au
i 2.359021075670378 7.2212e-06 deg
node 10.55366708828974 0.00016211 deg
peri 273.9740019924909 0.00016295 deg
M 33.26946388154192 1.8935e-05 deg
tp 2459080.158923640555
(2020-Aug-18.65892364)
6.7678e-05 TDB
period 1302.178707888223
3.57
1.3162e-05
3.604e-08
d
yr
n .2764597499707404 2.7945e-09 deg/d
Q 2.872823245168116 1.9359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      7548 days (20.67 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-05-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:12  

Additional Information
 Earth MOID = .77823 au 
 Jupiter MOID = 2.29634 au 
 T_jup = 3.532 
[ 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 17.99   n/a E2021B55  

213068 (1999 SU23)          Discovered 1999-Sep-30 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 SU23 = 2006 QX82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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