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173768 (2001 RB143)
Classification: Main-belt Asteroid          SPK-ID: 2173768
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08894076572363672 4.9284e-08  
a 2.983242862882287 2.8555e-08 au
q 2.717910958317962 1.4126e-07 au
i 10.1203860182422 5.3148e-06 deg
node 222.1311232110131 2.7956e-05 deg
peri 190.7262819697633 3.908e-05 deg
M 178.7148108502664 2.7596e-05 deg
tp 2458066.193463229799
(2017-Nov-08.69346323)
0.00014309 TDB
period 1882.05080282394
5.15
2.7022e-05
7.398e-08
d
yr
n .1912807026568224 2.7464e-09 deg/d
Q 3.248574767446612 3.1095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:55  

Additional Information
 Earth MOID = 1.7292 au 
 Jupiter MOID = 2.1206 au 
 T_jup = 3.229 
[ 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 15.0   n/a MPO385763  

173768 (2001 RB143)          Discovered 2001-Sep-15 by NEAT at Palomar
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2054-Feb-02 00:32 00:02 Ceres 0.0371673743228671 0.0371660552506988 0.0371686942553667 6.50327908470978 6.50327733688678 2471300.522228425 2.48356678442974 884.14481364878 62.171714641456 88.6379503203651 89119.0235921019 T 18 CATAB v2.0f-lin.ifort 2020-May-21 03:30:15 2020-May-21 03:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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