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JPL Small-Body Database Browser
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201115 (2002 JX12)
Classification: Main-belt Asteroid          SPK-ID: 2201115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108025002130585 4.9244e-08  
a 2.763526197814379 2.4022e-08 au
q 2.180967965910821 1.3514e-07 au
i 9.746793304013078 5.7652e-06 deg
node 69.54978707191464 3.3364e-05 deg
peri 248.5847668579804 3.657e-05 deg
M 182.7502559740786 1.8649e-05 deg
tp 2459426.684269447980
(2021-Jul-31.18426945)
9.2994e-05 TDB
period 1678.007145430779
4.59
2.1879e-05
5.99e-08
d
yr
n .2145402068044118 2.7974e-09 deg/d
Q 3.346084429717937 2.9086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      6120 days (16.76 yr)  
   first obs. used      2002-05-08  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:10:37  

Additional Information
 Earth MOID = 1.18933 au 
 Jupiter MOID = 2.02432 au 
 T_jup = 3.287 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO436979  
diameter diameter 4.552 km 1.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.17971 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 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201115 (2002 JX12)          Discovered 2002-May-08 by Yeung, W. K. Y. at Desert Eagle
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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