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103105 (1999 XB175)
Classification: Main-belt Asteroid          SPK-ID: 2103105
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09149359094475072 2.913e-08  
a 2.276031580386921 7.6839e-09 au
q 2.067789277993665 6.7149e-08 au
i 6.506902424793912 4.2492e-06 deg
node 42.91185476885421 3.4356e-05 deg
peri 48.16481730022604 4.4034e-05 deg
M 52.65540474783607 2.7854e-05 deg
tp 2459017.054819220166
(2020-Jun-16.55481922)
9.6778e-05 TDB
period 1254.197273708246
3.43
6.3513e-06
1.739e-08
d
yr
n .287036184455735 1.4536e-09 deg/d
Q 2.484273882780176 8.387e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1999-12-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:45:08  

Additional Information
 Earth MOID = 1.09005 au 
 Jupiter MOID = 2.66205 au 
 T_jup = 3.595 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457318.5 (2015-Oct-23.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09065778048941649 2.9048e-08  
q 2.069818304364444 6.6911e-08 au
tp 2457761.497661892714
(2017-Jan-07.99766189)
9.6474e-05 TDB
node 42.9344825973346 3.4338e-05 deg
peri 47.79800227131152 4.4239e-05 deg
i 6.509067874475917 4.2509e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1999-12-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49783  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:45:08  

Additional Information
 Jupiter MOID = 2.66205 au 
 T_jup = 3.595 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.437656985604986E-16 -1.933044516263535E-15 -1.158478411217779E-13 -1.174945858498066E-15 -3.115560577885144E-14 3.509452601594296E-16
q -1.933044516263535E-15 4.477065064459129E-15 4.121848914917384E-13 2.163909471416728E-15 1.091293549382148E-13 -8.108011282726731E-16
tp -1.158478411217779E-13 4.121848914917384E-13 9.30719215941727E-9 -2.093630752565594E-11 2.703763205522208E-9 -4.967359503390641E-12
node -1.174945858498066E-15 2.163909471416728E-15 -2.093630752565594E-11 1.179068046255966E-9 -1.177184803005455E-9 -4.590748136852609E-11
peri -3.115560577885144E-14 1.091293549382148E-13 2.703763205522208E-9 -1.177184803005455E-9 1.957116013266666E-9 4.422489584807496E-11
i 3.509452601594296E-16 -8.108011282726731E-16 -4.967359503390641E-12 -4.590748136852609E-11 4.422489584807496E-11 1.807023364641497E-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 15.38   n/a E2021B55  
diameter diameter 1.862 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.424   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103105 (1999 XB175)          Discovered 1999-Dec-10 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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