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177897 (2005 RK6)
Classification: Main-belt Asteroid          SPK-ID: 2177897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034472637867763 5.0785e-08  
a 3.169796132105118 3.6065e-08 au
q 2.524909782266425 1.7071e-07 au
i 6.334917362147714 5.2256e-06 deg
node 94.13039066464803 5.6067e-05 deg
peri 210.4168776300497 5.7784e-05 deg
M 275.8245832148766 1.7817e-05 deg
tp 2459682.479090937081
(2022-Apr-12.97909094)
0.00010741 TDB
period 2061.320031004761
5.64
3.518e-05
9.632e-08
d
yr
n .1746453702409922 2.9806e-09 deg/d
Q 3.814682481943811 4.3403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7886 days (21.59 yr)  
   first obs. used      1999-08-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56154  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:15:55  

Additional Information
 Earth MOID = 1.51018 au 
 Jupiter MOID = 1.44555 au 
 T_jup = 3.161 
[ 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 15.36   n/a E2021B55  
diameter diameter 5.640 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

177897 (2005 RK6)          Discovered 2005-Sep-07 by Altschwendt at Altschwendt
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 2005 RK6 = 2004 JC36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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