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JPL Small-Body Database Browser
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74606 (1999 RR12)
Classification: Main-belt Asteroid          SPK-ID: 2074606
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594608182658726 9.2228e-08  
a 2.478636131101419 1.5125e-08 au
q 2.08339078545263 2.2114e-07 au
i 5.903378328807608 4.7513e-06 deg
node 309.3040568534303 7.0716e-05 deg
peri 95.21601967171924 7.3515e-05 deg
M 322.942262553111 1.6356e-05 deg
tp 2458747.221578369353
(2019-Sep-20.72157837)
6.4584e-05 TDB
period 1425.337105069305
3.90
1.3046e-05
3.572e-08
d
yr
n .252571829302441 2.3118e-09 deg/d
Q 2.873881476750208 1.7537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      817  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-08-05  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:49:14  

Additional Information
 Earth MOID = 1.10195 au 
 Jupiter MOID = 2.53538 au 
 T_jup = 3.455 
[ 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 15.2   n/a MPO359268  

74606 (1999 RR12)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RR12 = 1991 PX27 = 2001 BX32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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