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29981 (1999 TD10)
Classification: TransNeptunian Object          SPK-ID: 2029981
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8729679807345582 7.4582e-06  
a 96.19698281664569 0.0058532 au
q 12.22009697444151 2.77e-05 au
i 5.962420903677833 1.2063e-05 deg
node 184.5777245122769 0.00015695 deg
peri 172.4134956773318 0.00031036 deg
M 8.060903056984676 0.00074427 deg
tp 2451483.974415186983
(1999-Nov-01.47441519)
0.0083766 TDB
period 344620.0991247037
943.52
31.453
0.08611
d
yr
n .001044628566106154 9.5341e-08 deg/d
Q 180.1738686588498 0.010963 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      1997-09-05  
   last obs. used      2016-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .46088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:08:39  

Additional Information
 Earth MOID = 11.2147 au 
 Jupiter MOID = 7.26265 au 
 T_jup = 4.226 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.7   n/a MPO181526  
rotation period rot_per 15.382 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Choi, Y.J.; Brosch, N.; Prialnik, D. (2003) Icarus 165, 101-111.]
[Ortiz, J.L.; Gutierrez, P.J.; Casanova, V.; Sota, A. (2003) Astron. Astrophys. 407, 1149-1155.]
[Rousselot, P.; Petit, J.-M.; Poulet, F.; Lacerda, P.; Ortiz, J. (2003) Astron. Astrophys. 407, 1139-1147.]
[Mueller, B.E.A.; Hergenrother, C.W.; Samarasinha, N.H.; Campins, H.; McCarthy Jr.; D.W. (2004) Icarus 171, 506-515.]
[Rabinowitz, D.L.; Schaefer, B.E.; Tourtellotte, S.W. (2007) Astron. J. 133, 26-43.]

29981 (1999 TD10)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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