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129681 (1998 RB60)
Classification: Main-belt Asteroid          SPK-ID: 2129681
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2461189221271642 5.5617e-08  
a 2.715805142264554 1.3539e-08 au
q 2.047394107942992 1.4924e-07 au
i 9.652212137716386 6.561e-06 deg
node 193.7761791139766 2.443e-05 deg
peri 166.5813300224886 2.6481e-05 deg
M 307.5759256703211 1.1417e-05 deg
tp 2459238.553519275433
(2021-Jan-24.05351928)
5.3051e-05 TDB
period 1634.731142799384
4.48
1.2224e-05
3.347e-08
d
yr
n .2202196988695771 1.6467e-09 deg/d
Q 3.384216176586116 1.6871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1997-05-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:50  

Additional Information
 Earth MOID = 1.04612 au 
 Jupiter MOID = 2.08858 au 
 T_jup = 3.297 
[ 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 15.4   n/a MPO401142  

129681 (1998 RB60)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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