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JPL Small-Body Database Browser
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59898 (1999 RE142)
Classification: Main-belt Asteroid          SPK-ID: 2059898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188784539900916 5.0403e-08  
a 2.302442968451587 1.0782e-08 au
q 1.798487811116546 1.1841e-07 au
i 2.775188490967837 6.8066e-06 deg
node 22.13016842968084 8.7818e-05 deg
peri 297.62953663 8.897e-05 deg
M 356.8954529142739 1.5297e-05 deg
tp 2459011.504682052589
(2020-Jun-11.00468205)
5.4265e-05 TDB
period 1276.091303993008
3.49
8.9636e-06
2.454e-08
d
yr
n .282111474996755 1.9816e-09 deg/d
Q 2.806398125786628 1.3142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      449  
   data-arc span      9711 days (26.59 yr)  
   first obs. used      1992-09-22  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61904  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:59  

Additional Information
 Earth MOID = .787729 au 
 Jupiter MOID = 2.5112 au 
 T_jup = 3.557 
[ 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 16.6   n/a MPO432153  

59898 (1999 RE142)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RE142 = 1992 SX20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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