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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167948771214709 5.2612e-08  
a 2.422897368914364 1.1056e-08 au
q 2.139915368434076 1.2751e-07 au
i 5.905926954627666 5.3671e-06 deg
node 342.8176005649313 3.3829e-05 deg
peri 50.30761471265635 3.8642e-05 deg
M 226.0233577765107 1.9954e-05 deg
tp 2459713.157768411416
(2022-May-13.65776841)
7.8276e-05 TDB
period 1377.529646699509
3.77
9.4287e-06
2.581e-08
d
yr
n .26133738817349 1.7888e-09 deg/d
Q 2.705879369394653 1.2347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:50  

Additional Information
 Earth MOID = 1.14961 au 
 Jupiter MOID = 2.71643 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11529987815615 5.2357e-08  
q 2.143887048698293 1.266e-07 au
tp 2456956.795349083186
(2014-Oct-26.29534908)
7.0899e-05 TDB
node 342.8562687755763 3.38e-05 deg
peri 50.15334476721392 3.8774e-05 deg
i 5.908647540676111 5.366e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:50  

Additional Information
 Jupiter MOID = 2.71643 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.741261760851308E-15 -6.608359407147489E-15 -1.557861997863488E-12 2.179074118175435E-15 -5.002814918572885E-13 -1.603638561110525E-15
q -6.608359407147489E-15 1.602811366470233E-14 4.016346923318409E-12 -5.401759057929996E-15 1.269822234617259E-12 4.078654863689843E-15
tp -1.557861997863488E-12 4.016346923318409E-12 5.026651178268058E-9 -1.155285533100704E-11 1.350632894305559E-9 -1.001190548731772E-12
node 2.179074118175435E-15 -5.401759057929996E-15 -1.155285533100704E-11 1.14240631594243E-9 -1.139009259463926E-9 6.178018376521345E-11
peri -5.002814918572885E-13 1.269822234617259E-12 1.350632894305559E-9 -1.139009259463926E-9 1.503398129076336E-9 -6.167290561700234E-11
i -1.603638561110525E-15 4.078654863689843E-15 -1.001190548731772E-12 6.178018376521345E-11 -6.167290561700234E-11 2.879380775736718E-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 15.34   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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