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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2290365203501156 3.8164e-08  
a 3.042197081425028 2.497e-08 au
q 2.345422847676162 1.1508e-07 au
i 8.654171263291639 5.8084e-06 deg
node 170.2478860922827 3.0666e-05 deg
peri 108.8944923309726 3.3554e-05 deg
M 232.2670297923411 1.4527e-05 deg
tp 2459688.169804887156
(2022-Apr-18.66980489)
8.2367e-05 TDB
period 1938.114563193115
5.31
2.3862e-05
6.533e-08
d
yr
n .1857475336271592 2.2869e-09 deg/d
Q 3.738971315173894 3.0689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:15:02  

Additional Information
 Earth MOID = 1.3469 au 
 Jupiter MOID = 1.54536 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457278.5 (2015-Sep-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .228968525916001 3.825e-08  
q 2.347664698686384 1.1523e-07 au
tp 2457747.666206535240
(2016-Dec-25.16620654)
7.2466e-05 TDB
node 170.2835919516559 3.0666e-05 deg
peri 108.4146102692037 3.3531e-05 deg
i 8.651411691856337 5.8068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7212 days (19.75 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:15:02  

Additional Information
 Jupiter MOID = 1.54536 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.463025996794468E-15 -4.345685764681983E-15 -2.428756377419854E-13 6.777152462362459E-15 -2.424738216303031E-14 2.46488312539533E-16
q -4.345685764681983E-15 1.327808535451814E-14 1.160620369193939E-12 -3.133312719206955E-14 1.377359501301352E-13 -4.497756273596953E-15
tp -2.428756377419854E-13 1.160620369193939E-12 5.251296604021068E-9 -4.388514124272344E-12 1.001774200102173E-9 2.357230309349861E-12
node 6.777152462362459E-15 -3.133312719206955E-14 -4.388514124272344E-12 9.403853584345002E-10 -9.299242827829268E-10 3.929614232789408E-11
peri -2.424738216303031E-14 1.377359501301352E-13 1.001774200102173E-9 -9.299242827829268E-10 1.124354375955786E-9 -3.830505741020871E-11
i 2.46488312539533E-16 -4.497756273596953E-15 2.357230309349861E-12 3.929614232789408E-11 -3.830505741020871E-11 3.37191684522261E-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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