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101367 (1998 UB1)
Classification: Main-belt Asteroid          SPK-ID: 2101367
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221115363871992 6.4498e-08  
a 2.84498583318043 1.5513e-08 au
q 2.215915755466077 1.8555e-07 au
i .5042656841473094 6.159e-06 deg
node 202.0332813599879 0.00057188 deg
peri 151.51371253 0.00057198 deg
M 287.9930563888886 1.003e-05 deg
tp 2459747.082687286399
(2022-Jun-16.58268729)
5.019e-05 TDB
period 1752.744403438729
4.80
1.4336e-05
3.925e-08
d
yr
n .2053921834203047 1.6799e-09 deg/d
Q 3.474055910894783 1.8943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      10117 days (27.70 yr)  
   first obs. used      1993-09-18  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52443  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:01:17  

Additional Information
 Earth MOID = 1.21005 au 
 Jupiter MOID = 1.97103 au 
 T_jup = 3.271 
[ 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 16.07   n/a E2021B55  
diameter diameter 4.849 km 0.998 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101367 (1998 UB1)          Discovered 1998-Oct-16 by Pravec, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 UB1 = 1993 SW10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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