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277506 (2005 WP163)
Classification: Outer Main-belt Asteroid          SPK-ID: 2277506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05139259609010419 4.5996e-08  
a 3.227509325999193 4.6759e-08 au
q 3.061639242831073 1.4752e-07 au
i 5.031958880490092 6.3912e-06 deg
node 52.28427783607391 5.932e-05 deg
peri 260.9879415493053 8.7024e-05 deg
M 297.1193471872593 6.3561e-05 deg
tp 2459370.425463541019
(2021-Jun-04.92546354)
0.00037491 TDB
period 2117.871887738795
5.80
4.6025e-05
1.26e-07
d
yr
n .1699819531503221 3.694e-09 deg/d
Q 3.393379409167315 4.9162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      8436 days (23.10 yr)  
   first obs. used      1996-03-19  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57279  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:25  

Additional Information
 Earth MOID = 2.05304 au 
 Jupiter MOID = 1.7628 au 
 T_jup = 3.179 
[ 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 15.9   n/a MPO433795  
diameter diameter 4.521 km 1.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.28 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.050   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277506 (2005 WP163)          Discovered 2005-Nov-29 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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