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66728 (1999 TN110)
Classification: Main-belt Asteroid          SPK-ID: 2066728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020793455444403 5.1241e-08  
a 2.63770620090049 1.4725e-08 au
q 2.104680258084007 1.3923e-07 au
i 8.420977733194473 6.0001e-06 deg
node 202.1903718121304 3.2341e-05 deg
peri 111.6865971064332 3.5165e-05 deg
M 59.86230538284403 1.2389e-05 deg
tp 2459136.310962416704
(2020-Oct-13.81096242)
5.3461e-05 TDB
period 1564.72512929365
4.28
1.3103e-05
3.587e-08
d
yr
n .2300723579243031 1.9266e-09 deg/d
Q 3.170732143716973 1.7701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:33  

Additional Information
 Earth MOID = 1.10827 au 
 Jupiter MOID = 2.20333 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012057944930645 5.1232e-08  
q 2.107936596192189 1.3917e-07 au
tp 2457572.380587469753
(2016-Jul-02.88058747)
5.3436e-05 TDB
node 202.2511794180724 3.2345e-05 deg
peri 111.9227967496876 3.5177e-05 deg
i 8.418534472423893 5.9975e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:33  

Additional Information
 Jupiter MOID = 2.20333 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.624675197859032E-15 -7.106766927277648E-15 1.255919421260415E-12 1.165888282564985E-14 3.235000792675867E-13 -1.38539882021488E-14
q -7.106766927277648E-15 1.936902034223816E-14 -3.380918296887568E-12 -3.43906780185983E-14 -8.829399352177302E-13 3.908583976858529E-14
tp 1.255919421260415E-12 -3.380918296887568E-12 2.855405057840366E-9 7.961278561850381E-12 7.576610349861193E-10 -7.593333894123061E-12
node 1.165888282564985E-14 -3.43906780185983E-14 7.961278561850381E-12 1.046202836110758E-9 -1.032288493520226E-9 -8.0813315563489E-11
peri 3.235000792675867E-13 -8.829399352177302E-13 7.576610349861193E-10 -1.032288493520226E-9 1.237448146308211E-9 7.798370351022485E-11
i -1.38539882021488E-14 3.908583976858529E-14 -7.593333894123061E-12 -8.0813315563489E-11 7.798370351022485E-11 3.597000478472401E-11

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 15.37   n/a E2021B10  

66728 (1999 TN110)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Feb-16 18:11 00:02 Europ 0.0443736459367786 0.0443543126254226 0.0443929824727457 5.30493206710232 5.30493202195138 2417258.257908945 2.12540393090489 1133.98926358313 65.198190502305 31.8597871364497 53949.7093304639 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 12:24:37 2021-Apr-13 12:24
1954-Dec-29 01:32 00:04 Hygie 0.0351947916696881 0.0351864658291851 0.0352031185681364 3.11423094886051 3.11423059634905 2435105.563697424 3.88819064319366 514.265660919091 45.6524814341147 -36.5669340768627 68992.8700050139 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 12:24:37 2021-Apr-13 12:24

Alternate Designations
 1999 TN110 = 2002 GJ172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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