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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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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