Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
153814 (2001 WN5)
Classification: Apollo [NEO, PHA]          SPK-ID: 2153814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 172 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4670549144118712 8.0752e-09  
a 1.711795518767492 1.331e-09 au
q .9122930092589162 1.402e-08 au
i 1.91916487242699 1.9328e-06 deg
node 277.434353267167 8.9218e-05 deg
peri 44.57060653076861 9.0324e-05 deg
M 126.3547780689482 1.1768e-06 deg
tp 2458713.378692473139
(2019-Aug-17.87869247)
2.7517e-06 TDB
period 818.0432294635305
2.24
9.5411e-07
2.612e-09
d
yr
n .4400745425594276 5.1328e-10 deg/d
Q 2.511298028276067 1.9527e-09 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      8776 days (24.03 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-21 05:14:46  

Additional Information
 Earth MOID = .00163884 au 
 Jupiter MOID = 2.83689 au 
 T_jup = 4.053 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457429.5 (2016-Feb-11.0) TDB
Reference: JPL 172 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4673852153187072 8.0911e-09  
q .9117604338697924 1.4023e-08 au
tp 2457077.133128549166
(2015-Feb-23.63312855)
3.7911e-06 TDB
node 277.6062655144974 8.9088e-05 deg
peri 44.4432930825603 9.0192e-05 deg
i 1.921000060611546 1.9323e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      933  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      8776 days (24.03 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-21 05:14:46  

Additional Information
 Jupiter MOID = 2.83689 au 
 T_jup = 4.053 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.546655466569978E-17 -1.13325872670289E-16 -1.150825985468365E-14 5.833799654002812E-13 -6.004412862833527E-13 -1.234364802326163E-14
q -1.13325872670289E-16 1.966456001410176E-16 1.778722790818258E-14 -1.014326736048414E-12 1.042628532108793E-12 2.161225595671899E-14
tp -1.150825985468365E-14 1.778722790818258E-14 1.437232603290797E-11 -3.244487812375982E-11 4.252607751282116E-11 1.6366615223712E-12
node 5.833799654002812E-13 -1.014326736048414E-12 -3.244487812375982E-11 7.936589888837004E-9 -8.031256856413013E-9 -5.970957673796662E-11
peri -6.004412862833527E-13 1.042628532108793E-12 4.252607751282116E-11 -8.031256856413013E-9 8.134685098479924E-9 6.307037864679149E-11
i -1.234364802326163E-14 2.161225595671899E-14 1.6366615223712E-12 -5.970957673796662E-11 6.307037864679149E-11 3.733630102421173E-12

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 18.3   n/a MPO502910  
diameter diameter 0.932 km 0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 4.253 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]
[Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 105-120.]
geometric albedo albedo 0.097   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

153814 (2001 WN5)          Discovered 2001-Nov-20 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-26 01:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin