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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2178-Mar-09 01:26 00:36 Hygie 0.0392471306749945 0.0392386571183637 0.0392556154936028 2.46266044890133 2.46266004914991 2516625.559839326 36.1393078475208 1131.03337733614 44.6822750828732 -68.2361816499288 121477.775727378 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 13:39:35 2019-Jul-13 13:39
2179-Sep-24 23:54 00:07 Iris 0.0197333485277867 0.0196690025734767 0.0197977094106761 2.97539270597117 2.97539260806096 2517190.496012796 7.04893881186738 3317.19177072414 47.1741185876982 -14.9100544880212 16106.6727248683 T 17 CATAB v2.0e-lin.ifort 2019-Jul-13 13:39:35 2019-Jul-13 13:39

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