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70251 (1999 RK84)
Classification: Main-belt Asteroid          SPK-ID: 2070251
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06465474041150715 4.3586e-08  
a 2.428142779144926 9.3875e-09 au
q 2.271151838077235 1.0445e-07 au
i 5.978165063881045 4.0958e-06 deg
node 196.9177757677692 4.0133e-05 deg
peri 290.8979492839237 5.0594e-05 deg
M 43.1175277889397 2.9252e-05 deg
tp 2458834.975948201913
(2019-Dec-17.47594820)
0.00011247 TDB
period 1382.005455855398
3.78
8.0145e-06
2.194e-08
d
yr
n .2604910121553584 1.5106e-09 deg/d
Q 2.585133720212617 9.9944e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1170  
   data-arc span      10567 days (28.93 yr)  
   first obs. used      1991-06-16  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:28  

Additional Information
 Earth MOID = 1.29372 au 
 Jupiter MOID = 2.44437 au 
 T_jup = 3.499 
[ 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 15.3   n/a MPO453106  

70251 (1999 RK84)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RK84 = 1999 UA61 = 2001 BL67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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