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103028 (1999 XJ114)
Classification: Main-belt Asteroid          SPK-ID: 2103028
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304339417023783 4.0683e-08  
a 2.52812432794507 1.2647e-08 au
q 2.198371106737519 1.0527e-07 au
i 13.7567649511264 3.6354e-06 deg
node 297.705732479866 2.3167e-05 deg
peri 165.7076156688567 3.1425e-05 deg
M 47.99803305686588 2.2071e-05 deg
tp 2459004.743131803656
(2020-Jun-04.24313180)
9.0033e-05 TDB
period 1468.236676848637
4.02
1.1017e-05
3.016e-08
d
yr
n .2451920767792624 1.8399e-09 deg/d
Q 2.857877549152622 1.4297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      7812 days (21.39 yr)  
   first obs. used      1999-11-01  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:35:27  

Additional Information
 Earth MOID = 1.21724 au 
 Jupiter MOID = 2.27603 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457672.5 (2016-Oct-11.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291671372058864 4.0551e-08  
q 2.201754252044048 1.0465e-07 au
tp 2457537.510772505855
(2016-May-29.01077251)
9.2211e-05 TDB
node 297.7963127299359 2.3175e-05 deg
peri 165.9152330432398 3.1607e-05 deg
i 13.75270670782811 3.6331e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      7812 days (21.39 yr)  
   first obs. used      1999-11-01  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:35:27  

Additional Information
 Jupiter MOID = 2.27603 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.644347119405537E-15 -4.220458079961203E-15 -1.584051175954646E-12 -3.591531706225767E-15 -3.223280739717281E-13 -7.884259742687059E-15
q -4.220458079961203E-15 1.095090454628007E-14 3.829706489462595E-12 1.003513079290029E-14 7.716277495744243E-13 2.029980276777208E-14
tp -1.584051175954646E-12 3.829706489462595E-12 8.502934067348436E-9 4.748030473239171E-11 2.023805366459749E-9 2.275227324943603E-11
node -3.591531706225767E-15 1.003513079290029E-14 4.748030473239171E-11 5.371023261610376E-10 -5.096350162977237E-10 -1.85710182335078E-11
peri -3.223280739717281E-13 7.716277495744243E-13 2.023805366459749E-9 -5.096350162977237E-10 9.989787412899023E-10 2.339295885728239E-11
i -7.884259742687059E-15 2.029980276777208E-14 2.275227324943603E-11 -1.85710182335078E-11 2.339295885728239E-11 1.319965169035343E-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 14.74   n/a MPCxxxxx  

103028 (1999 XJ114)          Discovered 1999-Dec-11 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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