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153814 (2001 WN5)
Classification: Apollo [NEO, PHA]          SPK-ID: 2153814
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 181 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4671178852687114 7.269e-09  
a 1.71174855317374 1.3167e-09 au
q .912160188903446 1.2675e-08 au
i 1.918987309286571 1.7721e-06 deg
node 277.4301010623183 8.3752e-05 deg
peri 44.58350892807622 8.4558e-05 deg
M 214.3488121280643 1.066e-06 deg
tp 2459531.455734995463
(2021-Nov-12.95573500)
2.4252e-06 TDB
period 818.0095633900675
2.24
9.4381e-07
2.584e-09
d
yr
n .4400926543059671 5.0778e-10 deg/d
Q 2.511336917444034 1.9317e-09 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      9198 days (25.18 yr)  
   first obs. used      1996-02-10  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:26:28  

Additional Information
 Earth MOID = .00188071 au 
 Jupiter MOID = 2.83704 au 
 T_jup = 4.054 
[ 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 18.33   n/a E2021B55  
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 ]
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