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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457352.5 (2015-Nov-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08957511953470544 4.9282e-08  
q 2.716258503030086 1.4142e-07 au
tp 2458069.683460641840
(2017-Nov-12.18346064)
0.00014208 TDB
node 222.1494653827877 2.7955e-05 deg
peri 191.4571715058889 3.8938e-05 deg
i 10.12044952518577 5.315e-06 deg
  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
 Jupiter MOID = 2.1206 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.42871231829221E-15 -6.859855963230452E-15 -3.691193980982084E-15 8.941436467780834E-15 -3.25988255097336E-14 1.651456973469529E-15
q -6.859855963230452E-15 1.999872360150054E-14 1.138414351069965E-13 -2.655452146002432E-14 6.338261279780622E-14 -3.280816746781097E-15
tp -3.691193980982084E-15 1.138414351069965E-13 2.018766368534911E-8 -1.166367446761179E-11 3.870236446372456E-9 6.765304557085397E-12
node 8.941436467780834E-15 -2.655452146002432E-14 -1.166367446761179E-11 7.815044184478629E-10 -7.711947840891958E-10 6.098069517467793E-12
peri -3.25988255097336E-14 6.338261279780622E-14 3.870236446372456E-9 -7.711947840891958E-10 1.516138315756098E-9 -4.771919719409553E-12
i 1.651456973469529E-15 -3.280816746781097E-15 6.765304557085397E-12 6.098069517467793E-12 -4.771919719409553E-12 2.824918905835215E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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