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26315 (1998 UF4)
Classification: Main-belt Asteroid          SPK-ID: 2026315
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446079459447792 3.3825e-08  
a 2.32070369596868 7.9864e-09 au
q 1.753041131751323 7.7383e-08 au
i 11.20377899554659 3.9646e-06 deg
node 104.9863659110056 2.6938e-05 deg
peri 222.7479402357978 2.951e-05 deg
M 98.8029315887962 1.1104e-05 deg
tp 2458646.098706970434
(2019-Jun-11.59870697)
3.9746e-05 TDB
period 1291.302428369556
3.54
6.6658e-06
1.825e-08
d
yr
n .2787882931921292 1.4391e-09 deg/d
Q 2.888366260186035 9.94e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   data-arc span      9073 days (24.84 yr)  
   first obs. used      1996-01-12  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:50:37  

Additional Information
 Earth MOID = .758067 au 
 Jupiter MOID = 2.47925 au 
 T_jup = 3.513 
[ 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 14.8   n/a MPO502354  
diameter diameter 5.118 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.107   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26315 (1998 UF4)          Discovered 1998-Oct-21 by Korlevic, K. at Visnjan
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UF4 = 2000 EO167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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