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213821 (2003 QO52)
Classification: Main-belt Asteroid          SPK-ID: 2213821
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336782124263891 2.8714e-08  
a 2.294392383557109 8.5145e-09 au
q 1.758242872762762 6.7894e-08 au
i 4.550682245553811 4.8611e-06 deg
node 4.968671145907931 4.0137e-05 deg
peri 295.5219122750704 4.2096e-05 deg
M 11.92518368202227 1.0746e-05 deg
tp 2459158.450334855881
(2020-Nov-04.95033486)
3.7841e-05 TDB
period 1269.404300640161
3.48
7.0662e-06
1.935e-08
d
yr
n .283597589687109 1.5787e-09 deg/d
Q 2.830541894351457 1.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1999-03-14  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:14  

Additional Information
 Earth MOID = .746902 au 
 Jupiter MOID = 2.41894 au 
 T_jup = 3.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457672.5 (2016-Oct-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2329711064883253 2.8728e-08  
q 1.760022342147886 6.7823e-08 au
tp 2457889.071949671213
(2017-May-15.57194967)
3.7121e-05 TDB
node 5.005090891689188 4.0131e-05 deg
peri 295.4677666040569 4.2102e-05 deg
i 4.550576393084644 4.8609e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7772 days (21.28 yr)  
   first obs. used      1999-03-14  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:14  

Additional Information
 Jupiter MOID = 2.41894 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.252698370881321E-16 -1.940017884658533E-15 3.354053196457053E-13 -5.410069996711338E-15 1.253894088960191E-13 4.320503570916034E-16
q -1.940017884658533E-15 4.599971388486022E-15 -7.596780735871195E-13 1.156603636450066E-14 -2.863616116225735E-13 -7.29167838777603E-16
tp 3.354053196457053E-13 -7.596780735871195E-13 1.377971016220061E-9 -2.520348679731264E-11 4.783909720727921E-10 2.071108987344287E-12
node -5.410069996711338E-15 1.156603636450066E-14 -2.520348679731264E-11 1.610530835551417E-9 -1.613260120906818E-9 2.714866949345864E-11
peri 1.253894088960191E-13 -2.863616116225735E-13 4.783909720727921E-10 -1.613260120906818E-9 1.772563059385009E-9 -2.643199459241253E-11
i 4.320503570916034E-16 -7.29167838777603E-16 2.071108987344287E-12 2.714866949345864E-11 -2.643199459241253E-11 2.362794456105699E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.11   n/a E2021B55  

213821 (2003 QO52)          Discovered 2003-Aug-23 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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