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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446414272053289 3.3792e-08  
a 2.320878799004459 7.787e-09 au
q 1.753095697245418 7.7239e-08 au
i 11.2033098264196 3.7746e-06 deg
node 104.9858576865378 2.393e-05 deg
peri 222.7769143712692 2.5933e-05 deg
M 154.5136593657936 9.9107e-06 deg
tp 2458646.204317053269
(2019-Jun-11.70431705)
3.5026e-05 TDB
period 1291.44857923803
3.54
6.4996e-06
1.779e-08
d
yr
n .2787567432320102 1.4029e-09 deg/d
Q 2.888661900763499 9.692e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      9144 days (25.03 yr)  
   first obs. used      1996-01-12  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:46  

Additional Information
 Earth MOID = .756231 au 
 Jupiter MOID = 2.47911 au 
 T_jup = 3.512 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457381.5 (2015-Dec-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .245368731921975 3.3799e-08  
q 1.750897875315438 7.7297e-08 au
tp 2457355.678159894981
(2015-Nov-29.17815989)
3.452e-05 TDB
node 105.0292436880479 2.3948e-05 deg
peri 222.830221427321 2.5939e-05 deg
i 11.20099090528467 3.7736e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      9144 days (25.03 yr)  
   first obs. used      1996-01-12  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:46  

Additional Information
 Jupiter MOID = 2.47911 au 
 T_jup = 3.512 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.14237955240194E-15 -2.605459111675004E-15 3.409293725683176E-13 -4.532443599062456E-15 7.656229668589723E-14 -4.809456874177944E-15
q -2.605459111675004E-15 5.974885852499826E-15 -8.002601015145708E-13 1.12779150185713E-14 -1.823523514365149E-13 1.12440170058973E-14
tp 3.409293725683176E-13 -8.002601015145708E-13 1.191636824223117E-9 -2.344420166171626E-12 3.642460915905553E-10 -8.44308604012055E-12
node -4.532443599062456E-15 1.12779150185713E-14 -2.344420166171626E-12 5.735157763366167E-10 -5.631791276684057E-10 -1.640557560706457E-11
peri 7.656229668589723E-14 -1.823523514365149E-13 3.642460915905553E-10 -5.631791276684057E-10 6.728497618844618E-10 1.361554356423158E-11
i -4.809456874177944E-15 1.12440170058973E-14 -8.44308604012055E-12 -1.640557560706457E-11 1.361554356423158E-11 1.423970107070809E-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 14.83   n/a E2021B10  
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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