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461269 (2015 XU60)
Classification: Main-belt Asteroid          SPK-ID: 2461269
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786163758050717 8.5434e-08  
a 3.147175878014917 6.189e-08 au
q 2.585038728662748 2.8369e-07 au
i 17.05223240363443 9.2029e-06 deg
node 220.71059372 1.9057e-05 deg
peri 264.6540033738971 3.6819e-05 deg
M 284.3132420022708 3.3626e-05 deg
tp 2459629.243303377443
(2022-Feb-18.74330338)
0.00019945 TDB
period 2039.294498788153
5.58
6.0155e-05
1.647e-07
d
yr
n .176531638865269 5.2073e-09 deg/d
Q 3.709313027367086 7.2945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5311 days (14.54 yr)  
   first obs. used      2006-06-01  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:50:36  

Additional Information
 Earth MOID = 1.66822 au 
 Jupiter MOID = 1.79026 au 
 T_jup = 3.116 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457962.5 (2017-Jul-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1760799329374574 8.6604e-08  
q 2.598616182503267 2.8814e-07 au
tp 2457591.196565919185
(2016-Jul-21.69656592)
0.0001651 TDB
node 220.73869587946 1.9029e-05 deg
peri 265.2568209169644 3.71e-05 deg
i 17.0495640653856 9.2037e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5311 days (14.54 yr)  
   first obs. used      2006-06-01  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53257  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:50:36  

Additional Information
 Jupiter MOID = 1.79026 au 
 T_jup = 3.116 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.500203008319522E-15 -2.458139453828374E-14 -1.689239461402896E-12 5.229876822879534E-14 2.317864443324138E-13 -1.150983823172216E-14
q -2.458139453828374E-14 8.302636558361656E-14 9.401949938669172E-12 -1.723042552847873E-13 4.129514821779802E-14 5.929956106199472E-14
tp -1.689239461402896E-12 9.401949938669172E-12 2.72585318459521E-8 -3.357487934846462E-11 5.173374156902761E-9 1.139426772839349E-10
node 5.229876822879534E-14 -1.723042552847873E-13 -3.357487934846462E-11 3.621029157007377E-10 -3.477787297113819E-10 -3.820318749516033E-12
peri 2.317864443324138E-13 4.129514821779802E-14 5.173374156902761E-9 -3.477787297113819E-10 1.376400568189034E-9 2.50080886745047E-11
i -1.150983823172216E-14 5.929956106199472E-14 1.139426772839349E-10 -3.820318749516033E-12 2.50080886745047E-11 8.47084720323045E-11

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 16.30   n/a MPCxxxxx  
diameter diameter 4.956 km 1.787 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

461269 (2015 XU60)          Discovered 2009-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-02-25

[ show close-approach data ]
Alternate Designations
 2015 XU60 = 2009 UG77 = 2010 AR127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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