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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8723147829208636 7.4517e-06  
a 95.69617658713619 0.0057891 au
q 12.21898708117185 2.7708e-05 au
i 5.961350706540656 1.2064e-05 deg
node 184.6277163060587 0.00015704 deg
peri 172.3270238103451 0.00031067 deg
M 7.917960191144131 0.00072715 deg
tp 2451479.923734853784
(1999-Oct-28.42373485)
0.0083934 TDB
period 341932.4409436596
936.16
31.028
0.08495
d
yr
n .001052839558032218 9.5537e-08 deg/d
Q 179.1733660931005 0.010839 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 = 11.2153 au 
 Jupiter MOID = 7.26059 au 
 T_jup = 4.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454853.5 (2009-Jan-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8735563212574874 7.4865e-06  
q 12.27092188547413 2.7648e-05 au
tp 2451479.952827115992
(1999-Oct-28.45282712)
0.0084346 TDB
node 184.6260406602044 0.0001568 deg
peri 172.5336541944615 0.00030943 deg
i 5.959406584373506 1.206e-05 deg
  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
 Jupiter MOID = 7.26059 au 
 T_jup = 4.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.604725915919526E-11 1.944056199901949E-10 6.164104217007845E-8 -8.200969386354616E-12 1.942322128994982E-9 3.295833096184134E-12
q 1.944056199901949E-10 7.644144886414954E-10 2.28784741512136E-7 -3.383690988342414E-11 7.322056628899611E-9 1.105355806571005E-11
tp 6.164104217007845E-8 2.28784741512136E-7 7.11432440188967E-5 -9.889208263114367E-9 2.247412468414578E-6 3.538325367589035E-9
node -8.200969386354616E-12 -3.383690988342414E-11 -9.889208263114367E-9 2.458725549650812E-8 -2.477156834948969E-8 3.925656329943883E-10
peri 1.942322128994982E-9 7.322056628899611E-9 2.247412468414578E-6 -2.477156834948969E-8 9.574703439327735E-8 -2.795229334475052E-10
i 3.295833096184134E-12 1.105355806571005E-11 3.538325367589035E-9 3.925656329943883E-10 -2.795229334475052E-10 1.454528179367137E-10

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-August); 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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