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102126 (1999 RW177)
Classification: Main-belt Asteroid          SPK-ID: 2102126
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 .1637824379174162 3.1009e-08  
a 2.278277477460353 9.7493e-09 au
q 1.905135637949555 7.1549e-08 au
i 6.61224924987774 4.2687e-06 deg
node 3.910467385592503 3.1383e-05 deg
peri 269.3236188605446 3.4177e-05 deg
M 125.9042286390284 1.3054e-05 deg
tp 2458761.215208292576
(2019-Oct-04.71520829)
4.5323e-05 TDB
period 1256.054119262924
3.44
8.0624e-06
2.207e-08
d
yr
n .2866118541223802 1.8397e-09 deg/d
Q 2.651419316971151 1.1346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      8801 days (24.10 yr)  
   first obs. used      1996-12-02  
   last obs. used      2021-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:36  

Additional Information
 Earth MOID = .901436 au 
 Jupiter MOID = 2.4841 au 
 T_jup = 3.581 
[ 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  

102126 (1999 RW177)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 RW177 = 1996 XB11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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