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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752929667806644 6.7567e-08  
a 2.416678302253945 1.899e-08 au
q 1.993051592897392 1.5798e-07 au
i 5.728308835132802 5.2052e-06 deg
node 243.0023154622983 4.5727e-05 deg
peri 118.3379866838034 4.9252e-05 deg
M 215.7344250507047 2.5913e-05 deg
tp 2459550.404028540475
(2021-Dec-01.90402854)		 0.0001039 TDB
period 1372.229309342505
3.76		 1.6174e-05
4.428e-08		 d
yr
n .2623468231942165 3.0922e-09 deg/d
Q 2.840305011610498 2.2319e-08 au
   Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:54:59  

Additional Information
 Earth MOID = .998231 au 
 Jupiter MOID = 2.651 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457225.5 (2015-Jul-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174011803465377 6.7146e-08  
q 1.997441218120339 1.5668e-07 au
tp 2456802.881956214509
(2014-May-25.38195621)		 8.0744e-05 TDB
node 243.1728477216324 4.5806e-05 deg
peri 117.8342437917037 4.9384e-05 deg
i 5.721454394462215 5.1979e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:54:59  

Additional Information
 Jupiter MOID = 2.651 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.508574350444439E-15 -1.047423745213181E-14 3.515336015239715E-12 3.302398603515429E-14 6.848246145525953E-13 3.40985587238918E-15
q -1.047423745213181E-14 2.454787178475756E-14 -7.662457779266275E-12 -7.288930516604985E-14 -1.459074653923111E-12 -8.021525046809578E-15
tp 3.515336015239715E-12 -7.662457779266275E-12 6.519620534813121E-9 3.637567454287538E-11 1.500994627445403E-9 2.648303214140112E-12
node 3.302398603515429E-14 -7.288930516604985E-14 3.637567454287538E-11 2.098167380082986E-9 -2.078983788736797E-9 -6.100119038849053E-11
peri 6.848246145525953E-13 -1.459074653923111E-12 1.500994627445403E-9 -2.078983788736797E-9 2.438748259542217E-9 6.123621859035627E-11
i 3.40985587238918E-15 -8.021525046809578E-15 2.648303214140112E-12 -6.100119038849053E-11 6.123621859035627E-11 2.701815959505198E-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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