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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445716216878625 3.4158e-08  
a 2.320401974692376 8.1005e-09 au
q 1.752897500774143 7.8248e-08 au
i 11.20354039059498 4.0297e-06 deg
node 104.9871539144102 2.7552e-05 deg
peri 222.6986046030999 3.0167e-05 deg
M 347.3171818746508 1.1206e-05 deg
tp 2458645.983777911780
(2019-Jun-11.48377791)
4.0191e-05 TDB
period 1291.050607712637
3.53
6.7606e-06
1.851e-08
d
yr
n .278842671115592 1.4602e-09 deg/d
Q 2.887906448610608 1.0082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8720 days (23.87 yr)  
   first obs. used      1996-01-12  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:51:37  

Additional Information
 Earth MOID = .757046 au 
 Jupiter MOID = 2.47651 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2452571574445379 3.4184e-08  
q 1.750857093959461 7.8394e-08 au
tp 2457355.769022502189
(2015-Nov-29.26902250)
4.0493e-05 TDB
node 105.0296822386251 2.7571e-05 deg
peri 222.8637023653654 3.0168e-05 deg
i 11.20143044733809 4.0283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8720 days (23.87 yr)  
   first obs. used      1996-01-12  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:51:37  

Additional Information
 Jupiter MOID = 2.47651 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.168525492840718E-15 -2.67193520859428E-15 3.846640804674279E-13 -2.873707105861203E-15 9.323442687084137E-14 -5.605306686930142E-15
q -2.67193520859428E-15 6.145675365947757E-15 -9.342654700439244E-13 7.651810274639457E-15 -2.336236360446315E-13 1.332138362113986E-14
tp 3.846640804674279E-13 -9.342654700439244E-13 1.639716496028476E-9 1.413313344779466E-12 5.237327660121621E-10 -1.249504546657599E-11
node -2.873707105861203E-15 7.651810274639457E-15 1.413313344779466E-12 7.601591317015693E-10 -7.452078691177685E-10 -2.942766503601511E-11
peri 9.323442687084137E-14 -2.336236360446315E-13 5.237327660121621E-10 -7.452078691177685E-10 9.101125213890257E-10 2.497100831845569E-11
i -5.605306686930142E-15 1.332138362113986E-14 -1.249504546657599E-11 -2.942766503601511E-11 2.497100831845569E-11 1.622697477483507E-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 14.7   n/a MPO347719  
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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