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JPL Small-Body Database Browser
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160157 (2001 RZ19)
Classification: Main-belt Asteroid          SPK-ID: 2160157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289054360133395 3.8363e-08  
a 3.042709908411506 2.5259e-08 au
q 2.346217070164462 1.1543e-07 au
i 8.652573333745215 6.406e-06 deg
node 170.2675837345614 3.2148e-05 deg
peri 108.8020290742427 3.5563e-05 deg
M 158.0863093715122 1.5005e-05 deg
tp 2457749.203182324308
(2016-Dec-26.70318232)
7.808e-05 TDB
period 1938.604649457871
5.31
2.414e-05
6.609e-08
d
yr
n .1857005759790546 2.3124e-09 deg/d
Q 3.73920274665855 3.1041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:05:15  

Additional Information
 Earth MOID = 1.34714 au 
 Jupiter MOID = 1.54361 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457128.5 (2015-Apr-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .229403095673773 3.8617e-08  
q 2.347892951473401 1.1639e-07 au
tp 2457746.645227516233
(2016-Dec-24.14522752)
7.7617e-05 TDB
node 170.3062955935203 3.2198e-05 deg
peri 108.1952939644903 3.5511e-05 deg
i 8.640943574153175 6.3965e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:05:15  

Additional Information
 Jupiter MOID = 1.54361 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.491249822114351E-15 -4.430787839565299E-15 -3.77385162823419E-13 3.064623761812049E-15 -5.169803830537537E-14 -7.063152519328812E-16
q -4.430787839565299E-15 1.35469529709054E-14 1.533864200756876E-12 -2.897019000262296E-14 2.208715960213553E-13 -3.892192789599861E-15
tp -3.77385162823419E-13 1.533864200756876E-12 6.024415288562969E-9 -5.517563005156319E-13 1.182698177392723E-9 3.691635090412478E-12
node 3.064623761812049E-15 -2.897019000262296E-14 -5.517563005156319E-13 1.036731848313431E-9 -1.024396314845946E-9 6.504205926993485E-11
peri -5.169803830537537E-14 2.208715960213553E-13 1.182698177392723E-9 -1.024396314845946E-9 1.261040785989055E-9 -6.340533573041647E-11
i -7.063152519328812E-16 -3.892192789599861E-15 3.691635090412478E-12 6.504205926993485E-11 -6.340533573041647E-11 4.091569229661769E-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 15.6   n/a MPO426991  

160157 (2001 RZ19)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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