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160814 (2000 WA42)
Classification: Main-belt Asteroid          SPK-ID: 2160814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09886522622353137 4.4968e-08  
a 2.514699014934116 1.4305e-08 au
q 2.266082727938563 1.1062e-07 au
i 13.61880808948052 5.0138e-06 deg
node 45.95790733557794 1.6993e-05 deg
peri 200.1274684780061 3.2133e-05 deg
M 169.0464988630461 3.0873e-05 deg
tp 2458516.539337844764
(2019-Feb-02.03933784)
0.00012365 TDB
period 1456.556864720198
3.99
1.2429e-05
3.403e-08
d
yr
n .2471582186179565 2.109e-09 deg/d
Q 2.763315301929668 1.572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      7396 days (20.25 yr)  
   first obs. used      2000-11-01  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:54  

Additional Information
 Earth MOID = 1.25656 au 
 Jupiter MOID = 2.24503 au 
 T_jup = 3.414 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457602.5 (2016-Aug-02.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09867485779125242 4.4932e-08  
q 2.267004915204135 1.1053e-07 au
tp 2457061.688307323488
(2015-Feb-08.18830732)
0.00012246 TDB
node 45.97289892809863 1.6981e-05 deg
peri 200.6050919253156 3.2214e-05 deg
i 13.62365300818904 5.0152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      7396 days (20.25 yr)  
   first obs. used      2000-11-01  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54798  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:54  

Additional Information
 Jupiter MOID = 2.24503 au 
 T_jup = 3.414 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.018884797563794E-15 -4.93422613980781E-15 -1.152055353384489E-12 3.424062613529229E-15 -2.378789764814394E-13 -1.753869744714862E-16
q -4.93422613980781E-15 1.221669496192028E-14 3.028399706057607E-12 -9.377227532266726E-15 6.401306609800305E-13 1.057995002330098E-15
tp -1.152055353384489E-12 3.028399706057607E-12 1.499729743445324E-8 2.878149802953942E-11 3.364830945732224E-9 1.749140394544488E-11
node 3.424062613529229E-15 -9.377227532266726E-15 2.878149802953942E-11 2.883412648910192E-10 -2.73420457465366E-10 -1.771351039926815E-12
peri -2.378789764814394E-13 6.401306609800305E-13 3.364830945732224E-9 -2.73420457465366E-10 1.037758582660081E-9 5.764639162752762E-12
i -1.753869744714862E-16 1.057995002330098E-15 1.749140394544488E-11 -1.771351039926815E-12 5.764639162752762E-12 2.515240875752938E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.11   n/a E2021B55  
diameter diameter 2.623 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160814 (2000 WA42)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2000 WA42 = 2000 VZ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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