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102127 (1999 RY177)
Classification: Main-belt Asteroid          SPK-ID: 2102127
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184484800833874 2.7649e-08  
a 2.271248526392553 8.0741e-09 au
q 1.775097737910466 6.4117e-08 au
i 9.828639457127947 3.2639e-06 deg
node 161.2521198743464 2.2188e-05 deg
peri 147.879574757764 2.392e-05 deg
M 103.7573641339166 9.1377e-06 deg
tp 2458840.160522680951
(2019-Dec-22.66052268)		 3.0992e-05 TDB
period 1250.245829948309
3.42		 6.6668e-06
1.825e-08		 d
yr
n .2879433719166125 1.5354e-09 deg/d
Q 2.767399314874639 9.8379e-09 au
   Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      8325 days (22.79 yr)  
   first obs. used      1998-04-03  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:37  

Additional Information
 Earth MOID = .767663 au 
 Jupiter MOID = 2.54932 au 
 T_jup = 3.561 
[ 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 16.3   n/a MPO432548  

102127 (1999 RY177)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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