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91715 (1999 TA154)
Classification: Main-belt Asteroid          SPK-ID: 2091715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1197641420120782 4.7911e-08  
a 3.084640671286847 2.2613e-08 au
q 2.715211327874617 1.5116e-07 au
i 7.099123274972897 3.5106e-06 deg
node 246.9038694741984 4.5503e-05 deg
peri 244.3521810621935 5.0198e-05 deg
M 267.9226518048093 2.5769e-05 deg
tp 2459902.622448150217
(2022-Nov-19.12244815)
0.00014555 TDB
period 1978.815473137127
5.42
2.1759e-05
5.957e-08
d
yr
n .1819270189095862 2.0005e-09 deg/d
Q 3.454070014699077 2.5321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      7721 days (21.14 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:41:16  

Additional Information
 Earth MOID = 1.74011 au 
 Jupiter MOID = 1.68831 au 
 T_jup = 3.204 
[ 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 14.18   n/a E2021B10  
diameter diameter 5.580 km 1.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 85.271 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.130   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91715 (1999 TA154)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TA154 = 2000 YD103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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