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JPL Small-Body Database Browser
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243680 (1999 XU65)
Classification: Main-belt Asteroid          SPK-ID: 2243680
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175019823706601 8.5766e-08  
a 2.417271158653369 2.3534e-08 au
q 1.994200786614805 1.9617e-07 au
i 5.72825073784715 5.9118e-06 deg
node 243.0065953612354 4.9112e-05 deg
peri 118.3894954117003 5.248e-05 deg
M 110.7458819657268 2.6104e-05 deg
tp 2458178.209250788278
(2018-Feb-28.70925079)
9.495e-05 TDB
period 1372.734290592113
3.76
2.0047e-05
5.489e-08
d
yr
n .2622503149132511 3.8298e-09 deg/d
Q 2.840341530691932 2.7653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:39:33  

Additional Information
 Earth MOID = .998522 au 
 Jupiter MOID = 2.64746 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456666.5 (2014-Jan-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1742047528910154 8.5343e-08  
q 1.996462149502051 1.9493e-07 au
tp 2456802.518793926384
(2014-May-25.01879393)
8.189e-05 TDB
node 243.1958094759624 4.9177e-05 deg
peri 117.6627970963606 5.2591e-05 deg
i 5.723116267043876 5.9076e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      6997 days (19.16 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:39:33  

Additional Information
 Jupiter MOID = 2.64746 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.283468439028543E-15 -1.658323955387873E-14 4.215054044568885E-12 2.811445260958388E-14 6.148637373902232E-13 2.041718263783173E-15
q -1.658323955387873E-14 3.799904974015628E-14 -9.200242423089626E-12 -6.245717277855728E-14 -1.304433328011982E-12 -4.616119453435112E-15
tp 4.215054044568885E-12 -9.200242423089626E-12 6.70594300375E-9 2.302931210514538E-11 1.498310141554526E-9 4.558734504614877E-13
node 2.811445260958388E-14 -6.245717277855728E-14 2.302931210514538E-11 2.418412528111462E-9 -2.401256346093281E-9 -1.206034586526052E-11
peri 6.148637373902232E-13 -1.304433328011982E-12 1.498310141554526E-9 -2.401256346093281E-9 2.765821422400287E-9 1.201207165218769E-11
i 2.041718263783173E-15 -4.616119453435112E-15 4.558734504614877E-13 -1.206034586526052E-11 1.201207165218769E-11 3.489960009339346E-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 16.2   n/a MPO413139  
diameter diameter 1.597 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243680 (1999 XU65)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 XU65 = 2006 QR10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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