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91714 (1999 TW153)
Classification: Main-belt Asteroid          SPK-ID: 2091714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238226358775291 5.4932e-08  
a 2.795842537424226 1.4675e-08 au
q 2.449653944941839 1.517e-07 au
i 7.516972762213955 4.8459e-06 deg
node 54.02792145571132 3.2264e-05 deg
peri 352.9352360526985 3.6943e-05 deg
M 127.7798007272136 1.6938e-05 deg
tp 2458394.423849047595
(2018-Oct-02.92384905)
7.9623e-05 TDB
period 1707.526644282816
4.67
1.3444e-05
3.681e-08
d
yr
n .2108312635737551 1.66e-09 deg/d
Q 3.142031129906613 1.6492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:38:48  

Additional Information
 Earth MOID = 1.45974 au 
 Jupiter MOID = 2.23513 au 
 T_jup = 3.303 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO417452  
diameter diameter 7.685 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 23.366 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.082   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91714 (1999 TW153)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TW153 = 1985 UM2 = 2001 DR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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