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134471 (1998 UW41)
Classification: Main-belt Asteroid          SPK-ID: 2134471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2719166510679024 4.9129e-08  
a 2.545761839184087 1.0975e-08 au
q 1.853526805456686 1.2847e-07 au
i 6.550721898893532 3.5287e-06 deg
node 55.35391231647826 5.723e-05 deg
peri 321.1585428913419 5.8568e-05 deg
M 168.443068443407 1.5214e-05 deg
tp 2458506.314195505873
(2019-Jan-22.81419551)
5.9506e-05 TDB
period 1483.628218883038
4.06
9.594e-06
2.627e-08
d
yr
n .2426483908960891 1.5691e-09 deg/d
Q 3.237996872911487 1.3959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      9247 days (25.32 yr)  
   first obs. used      1995-01-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58011  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:31  

Additional Information
 Earth MOID = .859637 au 
 Jupiter MOID = 2.23357 au 
 T_jup = 3.381 
[ 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 16.28   n/a E2021B55  
diameter diameter 3.022 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 105.453 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.070   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134471 (1998 UW41)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 UW41 = 2002 TW173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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