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103085 (1999 XB161)
Classification: Main-belt Asteroid          SPK-ID: 2103085
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2379681974717584 4.655e-08  
a 2.767827929917108 1.7144e-08 au
q 2.109172906522745 1.3234e-07 au
i 9.538319114616396 5.8125e-06 deg
node 38.35661533003314 2.6593e-05 deg
peri 8.248495586275835 2.8651e-05 deg
M 217.01169102343 1.2798e-05 deg
tp 2459868.544030150515
(2022-Oct-16.04403015)
6.4175e-05 TDB
period 1681.926673414909
4.60
1.5627e-05
4.278e-08
d
yr
n .2140402466351712 1.9887e-09 deg/d
Q 3.426482953311471 2.1224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7566 days (20.71 yr)  
   first obs. used      1999-10-06  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:48  

Additional Information
 Earth MOID = 1.11824 au 
 Jupiter MOID = 1.99346 au 
 T_jup = 3.277 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.54   n/a E2021B55  
diameter diameter 3.779 km 0.882 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103085 (1999 XB161)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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