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385269 (2001 RU38)
Classification: Main-belt Asteroid          SPK-ID: 2385269
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2233807714389499 5.6683e-08  
a 2.423040365995649 7.9771e-09 au
q 1.881779739811825 1.3766e-07 au
i 2.06583449983236 6.9666e-06 deg
node 189.7855763355564 0.00010876 deg
peri 171.609270188582 0.00010986 deg
M 27.5964369452922 1.137e-05 deg
tp 2459094.893679193278
(2020-Sep-02.39367919)
4.3489e-05 TDB
period 1377.651599218707
3.77
6.8033e-06
1.863e-08
d
yr
n .2613142540568044 1.2905e-09 deg/d
Q 2.964300992179472 9.7591e-09 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      7059 days (19.33 yr)  
   first obs. used      2001-09-09  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:46  

Additional Information
 Earth MOID = .877327 au 
 Jupiter MOID = 2.49402 au 
 T_jup = 3.477 
[ 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 17.79   n/a MPCxxxxx  

385269 (2001 RU38)          Discovered 2001-Sep-09 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2001 RU38 = 2005 TG25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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