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385380 (2002 RN112)
Classification: Inner Main-belt Asteroid          SPK-ID: 2385380
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06864564394008853 1.1407e-07  
a 1.915642148524806 1.1547e-08 au
q 1.784141659680546 2.1776e-07 au
i 19.76432923329896 1.0148e-05 deg
node 6.651864555673876 1.5048e-05 deg
peri 329.6922474777708 5.9131e-05 deg
M 343.1274840031601 6.3873e-05 deg
tp 2459245.888658876689
(2021-Jan-31.38865888)
0.00017199 TDB
period 968.4339430271208
2.65
8.7564e-06
2.397e-08
d
yr
n .3717341823797664 3.3611e-09 deg/d
Q 2.047142637369066 1.234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      5967 days (16.34 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:11  

Additional Information
 Earth MOID = .789736 au 
 Jupiter MOID = 3.15145 au 
 T_jup = 3.856 
[ 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 17.6   n/a MPO471962  
rotation period rot_per 4.196 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

385380 (2002 RN112)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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