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26160 (1994 XR4)
Classification: Main-belt Asteroid          SPK-ID: 2026160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621190139432756 3.8916e-08  
a 2.59944624339202 1.2924e-08 au
q 2.178026581614754 1.0015e-07 au
i 23.23948512501436 5.8228e-06 deg
node 97.62898790048338 1.0529e-05 deg
peri 270.621153880403 2.1023e-05 deg
M 96.87273382576471 1.8978e-05 deg
tp 2458588.574437792292
(2019-Apr-15.07443779)
8.007e-05 TDB
period 1530.804350597712
4.19
1.1416e-05
3.126e-08
d
yr
n .2351704839742818 1.7539e-09 deg/d
Q 3.020865905169286 1.5019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      24759 days (67.79 yr)  
   first obs. used      1953-01-09  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:30:30  

Additional Information
 Earth MOID = 1.31667 au 
 Jupiter MOID = 2.61744 au 
 T_jup = 3.283 
[ 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 13.6   n/a MPO358873  
diameter diameter 11.394 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26160 (1994 XR4)          Discovered 1994-Dec-09 by Kobayashi, T. at Oizumi
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 XR4 = 1998 XL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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