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101989 (1999 RK65)
Classification: Main-belt Asteroid          SPK-ID: 2101989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000531068133158 3.7139e-08  
a 2.267296147709917 1.0173e-08 au
q 2.040446124065677 8.2867e-08 au
i 6.457265544200937 4.0165e-06 deg
node 314.9587168092929 3.9938e-05 deg
peri 310.6412056584361 4.6074e-05 deg
M 148.4145500583473 2.4556e-05 deg
tp 2458686.415178862522
(2019-Jul-21.91517886)
8.4459e-05 TDB
period 1246.983773064932
3.41
8.3921e-06
2.298e-08
d
yr
n .2886966196161194 1.9429e-09 deg/d
Q 2.494146171354157 1.119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      8349 days (22.86 yr)  
   first obs. used      1998-03-04  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:46  

Additional Information
 Earth MOID = 1.02945 au 
 Jupiter MOID = 2.5945 au 
 T_jup = 3.600 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.35   n/a E2021B55  

101989 (1999 RK65)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RK65 = 2003 WV19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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