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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618606088623112 4.1886e-08  
a 2.598925315503939 1.4661e-08 au
q 2.178261681548797 1.1024e-07 au
i 23.23926511871278 5.8819e-06 deg
node 97.62966841800281 1.2036e-05 deg
peri 270.6072067101053 2.2489e-05 deg
M 2.825726981467425 2.0629e-05 deg
tp 2458588.487958503075
(2019-Apr-14.98795850)
8.766e-05 TDB
period 1530.344214870809
4.19
1.2949e-05
3.545e-08
d
yr
n .2352411937796563 1.9905e-09 deg/d
Q 3.01958894945908 1.7034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      24398 days (66.80 yr)  
   first obs. used      1953-01-09  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:31  

Additional Information
 Earth MOID = 1.31615 au 
 Jupiter MOID = 2.61549 au 
 T_jup = 3.284 
[ 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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