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JPL Small-Body Database Browser
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48196 (2001 JU1)
Classification: Main-belt Asteroid          SPK-ID: 2048196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2934170627458992 3.7962e-08  
a 2.74375000564888 1.5573e-08 au
q 1.938686938082341 1.0816e-07 au
i 9.974728837692327 5.3682e-06 deg
node 75.2959248392773 2.4102e-05 deg
peri 264.8613249739136 2.5601e-05 deg
M 272.1662845187325 1.0064e-05 deg
tp 2459005.517686115857
(2020-Jun-05.01768612)
4.8465e-05 TDB
period 1660.027316421618
4.54
1.4133e-05
3.869e-08
d
yr
n .216863901237494 1.8463e-09 deg/d
Q 3.548813073215419 2.0143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      9311 days (25.49 yr)  
   first obs. used      1993-11-13  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48462  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:37:15  

Additional Information
 Earth MOID = .960024 au 
 Jupiter MOID = 1.97026 au 
 T_jup = 3.264 
[ 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 13.7   n/a MPO436119  
diameter diameter 4.814 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.69035 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.159   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48196 (2001 JU1)          Discovered 2001-May-11 by NEAT at Haleakala
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 JU1 = 2000 GK162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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