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JPL Small-Body Database Browser
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74720 (1999 RA167)
Classification: Main-belt Asteroid          SPK-ID: 2074720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799403957780299 5.0896e-08  
a 2.289959902213381 1.1732e-08 au
q 1.877903611093287 1.2102e-07 au
i 7.835141311070123 6.218e-06 deg
node 23.74774274624797 3.7516e-05 deg
peri 277.6790952227733 4.1225e-05 deg
M 269.3526819821529 1.8513e-05 deg
tp 2458919.207806970744
(2020-Mar-10.70780697)
6.6201e-05 TDB
period 1265.727580455038
3.47
9.7268e-06
2.663e-08
d
yr
n .2844213917425876 2.1857e-09 deg/d
Q 2.702016193333475 1.3843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:14:57  

Additional Information
 Earth MOID = .881794 au 
 Jupiter MOID = 2.55972 au 
 T_jup = 3.565 
[ 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 16.0   n/a MPO432300  

74720 (1999 RA167)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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