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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2290403290808052 3.7776e-08  
a 3.041660716860521 2.4599e-08 au
q 2.34499774531863 1.143e-07 au
i 8.655463747578436 5.8035e-06 deg
node 170.2439462027195 3.0217e-05 deg
peri 108.9486085611 3.3137e-05 deg
M 269.3572880228942 1.4729e-05 deg
tp 2459688.359729127484
(2022-Apr-18.85972913)
8.2252e-05 TDB
period 1937.602027289894
5.30
2.3505e-05
6.435e-08
d
yr
n .185796667700399 2.2539e-09 deg/d
Q 3.738323688402413 3.0233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      2000-05-04  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:46:11  

Additional Information
 Earth MOID = 1.34463 au 
 Jupiter MOID = 1.54545 au 
 T_jup = 3.182 
[ 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 15.74   n/a E2021B55  

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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