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186970 (2004 RR176)
Classification: Outer Main-belt Asteroid          SPK-ID: 2186970
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 .02607343330256709 4.7705e-08  
a 3.220926157039479 3.4781e-08 au
q 3.136945553711417 1.7064e-07 au
i 8.209044625659166 4.4275e-06 deg
node 268.7914627643713 3.2932e-05 deg
peri 56.42183693310194 8.8953e-05 deg
M 316.5996593849728 8.1528e-05 deg
tp 2459455.042447996505
(2021-Aug-28.54244800)
0.00047801 TDB
period 2111.395440224118
5.78
3.42e-05
9.363e-08
d
yr
n .1705033520209683 2.7618e-09 deg/d
Q 3.304906760367542 3.5688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:28  

Additional Information
 Earth MOID = 2.12993 au 
 Jupiter MOID = 1.83279 au 
 T_jup = 3.172 
[ 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 14.86   n/a MPCxxxxx  

186970 (2004 RR176)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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