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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061332269144402 3.3266e-08  
a 2.240660648223271 8.0848e-09 au
q 2.002852103207134 7.3991e-08 au
i 4.110029649832254 4.9713e-06 deg
node 328.1596855384969 4.7626e-05 deg
peri 288.5156982849503 5.3537e-05 deg
M 131.1148933501879 2.3019e-05 deg
tp 2458554.317962390416
(2019-Mar-11.81796239)		 7.8806e-05 TDB
period 1225.074661125215
3.35		 6.6305e-06
1.815e-08		 d
yr
n .2938596409049426 1.5905e-09 deg/d
Q 2.478469193239408 8.9429e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:28  

Additional Information
 Earth MOID = .992434 au 
 Jupiter MOID = 2.57124 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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