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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8713325627539726 2.6318e-05  
a 95.07803179865483 0.019933 au
q 12.23344668992921 6.4133e-05 au
i 5.959717065438364 4.0808e-05 deg
node 184.7166458861072 0.00016973 deg
peri 172.2514315458905 0.00054042 deg
M 7.576836961815358 0.0023989 deg
tp 2451473.542932946765
(1999-Oct-22.04293295)
0.016413 TDB
period 338624.7529238691
927.10
106.49
0.2916
d
yr
n .001063123699291223 3.3433e-07 deg/d
Q 177.9226169073804 0.037302 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      4408 days (12.07 yr)  
   first obs. used      1997-09-05  
   last obs. used      2009-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .44792  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-05 21:28:09  

Additional Information
 Earth MOID = 11.2288 au 
 Jupiter MOID = 7.27363 au 
 T_jup = 4.227 
[ 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. 2019-January); 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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