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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8735978119169018 7.4668e-06  
a 96.71813165790081 0.0059196 au
q 12.22538346886783 2.7689e-05 au
i 5.963497924437823 1.2062e-05 deg
node 184.5313647179327 0.00015684 deg
peri 172.5123059805048 0.00031 deg
M 8.194956121314695 0.00076084 deg
tp 2451487.812663641529
(1999-Nov-05.31266364)
0.008365 TDB
period 347424.3667618677
951.20
31.896
0.08733
d
yr
n .001036196750836282 9.513e-08 deg/d
Q 181.2108798469338 0.011091 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .46088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:30:08  

Additional Information
 Earth MOID = 11.2208 au 
 Jupiter MOID = 7.26867 au 
 T_jup = 4.227 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454853.5 (2009-Jan-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8735563215095178 7.4865e-06  
q 12.27092188798834 2.7648e-05 au
tp 2451479.952827472915
(1999-Oct-28.45282747)
0.0084346 TDB
node 184.6260406291401 0.0001568 deg
peri 172.5336542418796 0.00030943 deg
i 5.959406581835228 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .46088  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:30:08  

Additional Information
 Jupiter MOID = 7.26867 au 
 T_jup = 4.227 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.604725890006795E-11 1.944056185177343E-10 6.16410418274216E-8 -8.200969074992799E-12 1.942322115541858E-9 3.295833122691138E-12
q 1.944056185177343E-10 7.644144811602643E-10 2.287847396735212E-7 -3.38369085892462E-11 7.322056560035464E-9 1.105355812298014E-11
tp 6.16410418274216E-8 2.287847396735212E-7 7.114324358253146E-5 -9.889207891003961E-9 2.24741245152103E-6 3.538325392757504E-9
node -8.200969074992799E-12 -3.38369085892462E-11 -9.889207891003961E-9 2.45872555153752E-8 -2.477156835616573E-8 3.9256563135997E-10
peri 1.942322115541858E-9 7.322056560035464E-9 2.24741245152103E-6 -2.477156835616573E-8 9.574703377709355E-8 -2.795229311670794E-10
i 3.295833122691138E-12 1.105355812298014E-11 3.538325392757504E-9 3.9256563135997E-10 -2.795229311670794E-10 1.454528178937368E-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. 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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