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186957 (2004 RS77)
Classification: Main-belt Asteroid          SPK-ID: 2186957
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08298064273860548 5.5982e-08  
a 3.107803152915766 2.5811e-08 au
q 2.849915649781751 1.8192e-07 au
i 11.28474910400054 5.607e-06 deg
node 153.8280530056079 1.9293e-05 deg
peri 176.3245752335739 4.3257e-05 deg
M 22.88526339353577 3.4357e-05 deg
tp 2459073.286823878745
(2020-Aug-11.78682388)
0.00019166 TDB
period 2001.145567613939
5.48
2.493e-05
6.825e-08
d
yr
n .1798969579355715 2.2411e-09 deg/d
Q 3.365690656049781 2.7953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8180 days (22.40 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51843  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:23  

Additional Information
 Earth MOID = 1.83731 au 
 Jupiter MOID = 2.00271 au 
 T_jup = 3.185 
[ 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 15.09   n/a E2021B55  

186957 (2004 RS77)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2004 RS77 = 2002 GR156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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