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JPL Small-Body Database Browser
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59840 (1999 RD49)
Classification: Main-belt Asteroid          SPK-ID: 2059840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07361175418695078 4.2602e-08  
a 3.093392263571979 1.8755e-08 au
q 2.865682232662104 1.3149e-07 au
i 8.250478418513518 4.6604e-06 deg
node 331.3792630052762 2.7783e-05 deg
peri 71.29468257973896 4.1884e-05 deg
M 221.7800809997958 3.2056e-05 deg
tp 2459763.490363337772
(2022-Jul-02.99036334)
0.00017982 TDB
period 1987.24274177293
5.44
1.8073e-05
4.948e-08
d
yr
n .1811555238988187 1.6475e-09 deg/d
Q 3.321102294481855 2.0136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1662  
   data-arc span      7287 days (19.95 yr)  
   first obs. used      1999-07-14  
   last obs. used      2019-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:55:27  

Additional Information
 Earth MOID = 1.88698 au 
 Jupiter MOID = 1.9969 au 
 T_jup = 3.204 
[ 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 12.9   n/a MPO385201  

59840 (1999 RD49)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RD49 = 2000 QO151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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