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129674 (1998 RQ36)
Classification: Main-belt Asteroid          SPK-ID: 2129674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641545742422447 5.1752e-08  
a 2.757828589139431 2.3014e-08 au
q 2.305118411256157 1.513e-07 au
i 9.119228323235902 6.1336e-06 deg
node 197.4664875287058 3.1464e-05 deg
peri 144.2826652950472 3.6039e-05 deg
M 271.6844630480384 1.981e-05 deg
tp 2459410.877880370393
(2021-Jul-15.37788037)
9.5045e-05 TDB
period 1672.820457556648
4.58
2.094e-05
5.733e-08
d
yr
n .2152054025725048 2.6938e-09 deg/d
Q 3.210538767022705 2.6792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:15  

Additional Information
 Earth MOID = 1.30489 au 
 Jupiter MOID = 2.25908 au 
 T_jup = 3.305 
[ 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 15.8   n/a MPO432775  

129674 (1998 RQ36)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 RQ36 = 2003 UZ237 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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