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160648 (1999 XC71)
Classification: Main-belt Asteroid          SPK-ID: 2160648
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09007121720474097 4.3645e-08  
a 2.734452099553717 1.9475e-08 au
q 2.488156670558854 1.2792e-07 au
i 6.624283246417742 5.6982e-06 deg
node 230.9005769602947 3.6434e-05 deg
peri 118.9198139877214 4.8069e-05 deg
M 266.4951201060607 3.2646e-05 deg
tp 2459429.478654707699
(2021-Aug-02.97865471)
0.00015152 TDB
period 1651.596321710067
4.52
1.7644e-05
4.831e-08
d
yr
n .2179709383387674 2.3286e-09 deg/d
Q 2.98074752854858 2.1229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9372 days (25.66 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:25:40  

Additional Information
 Earth MOID = 1.49094 au 
 Jupiter MOID = 2.38825 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457334.5 (2015-Nov-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08952911001474832 4.3697e-08  
q 2.48908690654334 1.2788e-07 au
tp 2457781.482032826547
(2017-Jan-27.98203283)
0.00014643 TDB
node 230.9130820543185 3.6426e-05 deg
peri 119.669051955021 4.8183e-05 deg
i 6.625060257606072 5.699e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9372 days (25.66 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:25:40  

Additional Information
 Jupiter MOID = 2.38825 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.90945407338705E-15 -5.54317230920043E-15 2.396227775536619E-13 -3.486865803207251E-15 1.154067474284989E-13 -6.693959453081447E-16
q -5.54317230920043E-15 1.635339319192874E-14 8.007499769361986E-14 8.84181500961828E-15 -1.836450996078435E-13 2.881843797680353E-15
tp 2.396227775536619E-13 8.007499769361986E-14 2.144211463807687E-8 -2.629891660818525E-11 4.626297795185309E-9 8.935128382280734E-13
node -3.486865803207251E-15 8.84181500961828E-15 -2.629891660818525E-11 1.326859380977912E-9 -1.323408697890336E-9 2.053280461281387E-11
peri 1.154067474284989E-13 -1.836450996078435E-13 4.626297795185309E-9 -1.323408697890336E-9 2.321560686616933E-9 -2.019204608880916E-11
i -6.693959453081447E-16 2.881843797680353E-15 8.935128382280734E-13 2.053280461281387E-11 -2.019204608880916E-11 3.247907277645144E-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 15.5   n/a MPO433027  
diameter diameter 5.482 km 0.427 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160648 (1999 XC71)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1999 XC71 = 2003 ST105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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