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187165 (2005 RB44)
Classification: Main-belt Asteroid          SPK-ID: 2187165
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203097074766239 1.0502e-07  
a 2.542703447203937 1.4317e-08 au
q 2.236791539271028 2.7183e-07 au
i 2.290703624902093 1.0107e-05 deg
node 182.5122508136868 0.00010722 deg
peri 53.25928526595396 0.00011972 deg
M 31.00319806647199 4.8384e-05 deg
tp 2459072.960124509599
(2020-Aug-11.46012451)
0.00019873 TDB
period 1480.955451050635
4.05
1.2508e-05
3.425e-08
d
yr
n .2430863127885481 2.053e-09 deg/d
Q 2.848615355136846 1.6039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:16  

Additional Information
 Earth MOID = 1.22481 au 
 Jupiter MOID = 2.14436 au 
 T_jup = 3.433 
[ 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 17.30   n/a E2021B55  

187165 (2005 RB44)          Discovered 2005-Sep-14 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 RB44 = 2001 TC156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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