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101966 (1999 RO43)
Classification: Main-belt Asteroid          SPK-ID: 2101966
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105947896423683 3.3264e-08  
a 2.24107375017863 7.8135e-09 au
q 2.003636700616869 7.4012e-08 au
i 4.110031988656548 4.7927e-06 deg
node 328.1571923830724 4.7429e-05 deg
peri 288.5569128629396 5.2654e-05 deg
M 189.8385903783699 2.1863e-05 deg
tp 2459779.716898482052
(2022-Jul-19.21689848)		 7.4191e-05 TDB
period 1225.413470170459
3.35		 6.4086e-06
1.755e-08		 d
yr
n .2937783929777782 1.5364e-09 deg/d
Q 2.47851079974039 8.6413e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      8409 days (23.02 yr)  
   first obs. used      1998-03-03  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:40  

Additional Information
 Earth MOID = .99155 au 
 Jupiter MOID = 2.57012 au 
 T_jup = 3.624 
[ 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 15.6   n/a MPO337995  

101966 (1999 RO43)          Discovered 1999-Sep-14 by Galad, A., Koleny, P. at Modra
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 RO43 = 1998 EE15 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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