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186969 (2004 RN161)
Classification: Main-belt Asteroid          SPK-ID: 2186969
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2266038768488566 4.6975e-08  
a 3.060414079580326 1.8151e-08 au
q 2.366912384384599 1.464e-07 au
i 1.855435788793785 5.3318e-06 deg
node 132.6086769158619 0.00021189 deg
peri 179.231152081074 0.00021261 deg
M 46.30280973230994 1.6648e-05 deg
tp 2458948.979401038599
(2020-Apr-09.47940104)
9.0809e-05 TDB
period 1955.549050901776
5.35
1.7397e-05
4.763e-08
d
yr
n .1840915214241191 1.6377e-09 deg/d
Q 3.753915774776052 2.2264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      6902 days (18.90 yr)  
   first obs. used      2002-02-13  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:28  

Additional Information
 Earth MOID = 1.35071 au 
 Jupiter MOID = 1.54028 au 
 T_jup = 3.193 
[ 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 16.08   n/a E2021B55  

186969 (2004 RN161)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 RN161 = 2004 RV344 = 2005 WO208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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