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25888 (2000 UW109)
Classification: Main-belt Asteroid          SPK-ID: 2025888
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289351098640185 3.6238e-08  
a 2.749097563322123 1.0977e-08 au
q 2.119732610636067 9.9218e-08 au
i 9.243793954834919 3.6663e-06 deg
node 113.3089145768344 2.4752e-05 deg
peri 264.4009826419322 2.583e-05 deg
M 171.8352198424039 7.3655e-06 deg
tp 2458405.818069179952
(2018-Oct-14.31806918)
3.3506e-05 TDB
period 1664.882760109344
4.56
9.972e-06
2.73e-08
d
yr
n .2162314420123831 1.2951e-09 deg/d
Q 3.378462516008178 1.349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1995  
   data-arc span      23777 days (65.10 yr)  
   first obs. used      1955-12-12  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:16:30  

Additional Information
 Earth MOID = 1.14396 au 
 Jupiter MOID = 2.16721 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456966.5 (2014-Nov-05.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2252446591525295 3.5921e-08  
q 2.13193159010826 9.7886e-08 au
tp 2456735.025284873752
(2014-Mar-18.52528487)
3.5847e-05 TDB
node 113.5321261842321 2.4646e-05 deg
peri 263.6990658646268 2.5824e-05 deg
i 9.256926585017309 3.6728e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1995  
   data-arc span      23777 days (65.10 yr)  
   first obs. used      1955-12-12  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48078  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:16:30  

Additional Information
 Jupiter MOID = 2.16721 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.290351390580531E-15 -3.503144211419348E-15 -2.379531568660604E-13 8.493928967441823E-16 -6.926344485010341E-14 -2.203458471520352E-15
q -3.503144211419348E-15 9.581761201189412E-15 5.829102766158449E-13 -1.669416777147622E-15 1.760697519277115E-13 6.142286080655741E-15
tp -2.379531568660604E-13 5.829102766158449E-13 1.285039989043196E-9 -9.220010096416438E-13 2.960402596808501E-10 7.572923124210314E-13
node 8.493928967441823E-16 -1.669416777147622E-15 -9.220010096416438E-13 6.074041049379678E-10 -5.994825092526521E-10 1.656696453686724E-11
peri -6.926344485010341E-14 1.760697519277115E-13 2.960402596808501E-10 -5.994825092526521E-10 6.66868014427014E-10 -1.616385229281257E-11
i -2.203458471520352E-15 6.142286080655741E-15 7.572923124210314E-13 1.656696453686724E-11 -1.616385229281257E-11 1.348943511476338E-11

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 13.60   n/a E2020-QM5  
diameter diameter 12.082 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.7788 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 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25888 (2000 UW109)          Discovered 2000-Oct-31 by LINEAR at Socorro
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 UW109 = 1998 HM138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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