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JPL Small-Body Database Browser
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27260 (1999 XF164)
Classification: Main-belt Asteroid          SPK-ID: 2027260
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001617396647743 3.4725e-08  
a 2.397709762204184 1.0237e-08 au
q 1.917780004990182 8.5785e-08 au
i 24.00715592335606 4.3014e-06 deg
node 125.8959376361518 1.2109e-05 deg
peri 158.5482314535019 1.8006e-05 deg
M 50.96103941912592 1.3519e-05 deg
tp 2458808.531875998874
(2019-Nov-21.03187600)
5.0837e-05 TDB
period 1356.105083964766
3.71
8.6849e-06
2.378e-08
d
yr
n .2654661532183692 1.7001e-09 deg/d
Q 2.877639519418186 1.2286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1560  
   data-arc span      12104 days (33.14 yr)  
   first obs. used      1986-07-29  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:44:04  

Additional Information
 Earth MOID = .913622 au 
 Jupiter MOID = 2.39631 au 
 T_jup = 3.385 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456834.5 (2014-Jun-26.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .199578217936725 3.472e-08  
q 1.920942656099125 8.5689e-08 au
tp 2457451.525886609761
(2016-Mar-04.02588661)
5.1396e-05 TDB
node 125.9261618240377 1.2108e-05 deg
peri 158.3558727013195 1.8025e-05 deg
i 24.00033171823217 4.2988e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1560  
   data-arc span      12104 days (33.14 yr)  
   first obs. used      1986-07-29  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:44:04  

Additional Information
 Jupiter MOID = 2.39631 au 
 T_jup = 3.385 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.205469761584379E-15 -2.962467637418712E-15 1.5651870608663E-13 7.225193028608447E-15 6.304154403596943E-14 -1.13521697920965E-15
q -2.962467637418712E-15 7.342659128290207E-15 -4.12804206440455E-13 -1.784604075765065E-14 -1.706044874318338E-13 3.407541160831211E-15
tp 1.5651870608663E-13 -4.12804206440455E-13 2.641554031936131E-9 9.293896055364387E-12 7.105572868348741E-10 4.545458488422299E-12
node 7.225193028608447E-15 -1.784604075765065E-14 9.293896055364387E-12 1.46595266288577E-10 -1.310943013892655E-10 9.78442296230968E-12
peri 6.304154403596943E-14 -1.706044874318338E-13 7.105572868348741E-10 -1.310943013892655E-10 3.249113432142003E-10 -8.088242184535714E-12
i -1.13521697920965E-15 3.407541160831211E-15 4.545458488422299E-12 9.78442296230968E-12 -8.088242184535714E-12 1.848010413717449E-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 13.7   n/a MPO384981  
diameter diameter 4.865 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.297   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27260 (1999 XF164)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XF164 = 1986 OC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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