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103042 (1999 XO122)
Classification: Main-belt Asteroid          SPK-ID: 2103042
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167948786421303 5.2685e-08  
a 2.42289736826874 1.108e-08 au
q 2.139915364179456 1.2772e-07 au
i 5.90592682179536 5.3831e-06 deg
node 342.8176002686191 3.385e-05 deg
peri 50.30761432467782 3.869e-05 deg
M 226.0233586131235 2.0035e-05 deg
tp 2459713.157765005231
(2022-May-13.65776501)
7.86e-05 TDB
period 1377.529646148907
3.77
9.4495e-06
2.587e-08
d
yr
n .2613373882779471 1.7927e-09 deg/d
Q 2.705879372358024 1.2374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:03  

Additional Information
 Earth MOID = 1.14961 au 
 Jupiter MOID = 2.71643 au 
 T_jup = 3.496 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.34   n/a E2021B55  
diameter diameter 2.216 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103042 (1999 XO122)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XO122 = 2001 FH10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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