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187166 (2005 RD46)
Classification: Main-belt Asteroid          SPK-ID: 2187166
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07410585357088445 4.2182e-08  
a 2.726798450425334 1.9738e-08 au
q 2.524726723740799 1.1595e-07 au
i 9.910910838989878 4.6387e-06 deg
node 144.2602965926541 2.8862e-05 deg
peri 156.2444433660992 4.566e-05 deg
M 207.7777539192248 3.7266e-05 deg
tp 2459895.930301034603
(2022-Nov-12.43030103)
0.00017247 TDB
period 1644.667023501996
4.50
1.7857e-05
4.889e-08
d
yr
n .2188892917871307 2.3766e-09 deg/d
Q 2.928870177109868 2.12e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8394 days (22.98 yr)  
   first obs. used      1998-01-24  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:51:50  

Additional Information
 Earth MOID = 1.51094 au 
 Jupiter MOID = 2.28887 au 
 T_jup = 3.331 
[ 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 16.14   n/a E2021B55  

187166 (2005 RD46)          Discovered 2005-Sep-14 by Becker, A. C. at Apache Point
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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