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70983 (1999 XB27)
Classification: Main-belt Asteroid          SPK-ID: 2070983
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04245467981456181 4.1226e-08  
a 2.83439434578332 2.0787e-08 au
q 2.714061041364885 1.1634e-07 au
i 7.279878703298778 4.5573e-06 deg
node 69.09071235002351 3.8297e-05 deg
peri 239.3180921678166 8.2434e-05 deg
M 207.0682949606492 7.6424e-05 deg
tp 2459740.929760166347
(2022-Jun-10.42976017)
0.00037157 TDB
period 1742.965682565938
4.77
1.9174e-05
5.25e-08
d
yr
n .2065445141008281 2.2721e-09 deg/d
Q 2.954727650201755 2.167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:18  

Additional Information
 Earth MOID = 1.70748 au 
 Jupiter MOID = 2.14914 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457233.5 (2015-Jul-30.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04181342968506205 4.0959e-08  
q 2.718265208390366 1.155e-07 au
tp 2457985.221662471579
(2017-Aug-19.72166247)
0.00037445 TDB
node 69.19060193689251 3.8315e-05 deg
peri 236.5360017012052 8.3466e-05 deg
i 7.276871455306498 4.5545e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:18  

Additional Information
 Jupiter MOID = 2.14914 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.677647775575328E-15 -4.659945316756091E-15 2.211813645384612E-12 -9.573075277530449E-15 4.373817657718057E-13 2.5042633809122E-15
q -4.659945316756091E-15 1.333995163758782E-14 -4.896691659101254E-12 2.819537610676553E-14 -1.002337946759027E-12 -7.035672398414837E-15
tp 2.211813645384612E-12 -4.896691659101254E-12 1.402114093138132E-7 3.291742038380045E-11 2.779156225851334E-8 1.683297116565898E-11
node -9.573075277530449E-15 2.819537610676553E-14 3.291742038380045E-11 1.468035010201841E-9 -1.44933097819174E-9 -1.216277349307576E-11
peri 4.373817657718057E-13 -1.002337946759027E-12 2.779156225851334E-8 -1.44933097819174E-9 6.966562509918862E-9 1.540231781083299E-11
i 2.5042633809122E-15 -7.035672398414837E-15 1.683297116565898E-11 -1.216277349307576E-11 1.540231781083299E-11 2.074334414770109E-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 14.9   n/a MPO417318  

70983 (1999 XB27)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XB27 = 2002 JZ28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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