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102922 (1999 XA30)
Classification: Main-belt Asteroid          SPK-ID: 2102922
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0727157590370479 3.4345e-08  
a 2.433111304946974 1.0717e-08 au
q 2.256185769586132 7.9804e-08 au
i 6.573314589309459 3.1062e-06 deg
node 116.7387890206035 3.521e-05 deg
peri 49.09823833388139 4.4415e-05 deg
M 111.916946555591 2.6855e-05 deg
tp 2458769.542201773062
(2019-Oct-13.04220177)		 0.00010319 TDB
period 1386.249465666353
3.80		 9.1592e-06
2.508e-08		 d
yr
n .2596935175927751 1.7158e-09 deg/d
Q 2.610036840307815 1.1497e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:49  

Additional Information
 Earth MOID = 1.27012 au 
 Jupiter MOID = 2.3725 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457433.5 (2016-Feb-15.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07366017153005315 3.426e-08  
q 2.253516249963305 7.9782e-08 au
tp 2457382.839212756930
(2015-Dec-26.33921276)		 0.00010182 TDB
node 116.7633976904618 3.5216e-05 deg
peri 48.69503307736726 4.423e-05 deg
i 6.57310685140417 3.1064e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1039  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51842  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:49  

Additional Information
 Jupiter MOID = 2.3725 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.173754358976649E-15 -2.715718893974374E-15 8.97638297093299E-13 5.121913754834528E-15 2.0955584206317E-13 -2.145197260080663E-15
q -2.715718893974374E-15 6.365245291766648E-15 -2.210084304916295E-12 -1.151543946418735E-14 -5.200027841018107E-13 5.075480037409241E-15
tp 8.97638297093299E-13 -2.210084304916295E-12 1.03670785995676E-8 6.210589221680268E-12 2.742690073754108E-9 -6.22188574731732E-12
node 5.121913754834528E-15 -1.151543946418735E-14 6.210589221680268E-12 1.240139254558524E-9 -1.23037996054507E-9 -1.696378748051706E-11
peri 2.0955584206317E-13 -5.200027841018107E-13 2.742690073754108E-9 -1.23037996054507E-9 1.956255174961274E-9 1.525073887965348E-11
i -2.145197260080663E-15 5.075480037409241E-15 -6.22188574731732E-12 -1.696378748051706E-11 1.525073887965348E-11 9.649480208466968E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.48   n/a E2021B55  

102922 (1999 XA30)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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