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70525 (1999 TW112)
Classification: Main-belt Asteroid          SPK-ID: 2070525
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582231562152343 5.5224e-08  
a 2.561368193166422 1.5254e-08 au
q 2.156100433414319 1.3968e-07 au
i 14.13448689948136 5.4927e-06 deg
node 213.9992123690461 2.352e-05 deg
peri 99.98685452496044 2.8994e-05 deg
M 54.29910782606736 2.1067e-05 deg
tp 2458774.662198031312
(2019-Oct-18.16219803)
8.6406e-05 TDB
period 1497.291796564238
4.10
1.3375e-05
3.662e-08
d
yr
n .2404340962971108 2.1478e-09 deg/d
Q 2.966635952918525 1.7667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      11128 days (30.47 yr)  
   first obs. used      1990-05-30  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:43  

Additional Information
 Earth MOID = 1.1969 au 
 Jupiter MOID = 2.41974 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456670.5 (2014-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585622412763439 5.4944e-08  
q 2.155082890744882 1.3887e-07 au
tp 2457279.338188174978
(2015-Sep-13.83818818)
7.9341e-05 TDB
node 214.0308318530184 2.3503e-05 deg
peri 100.4741854261477 2.8998e-05 deg
i 14.13984866247464 5.495e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      11128 days (30.47 yr)  
   first obs. used      1990-05-30  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:43  

Additional Information
 Jupiter MOID = 2.41974 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.018897993840494E-15 -7.598955141022598E-15 2.780253926924818E-13 -1.414661215056909E-14 -1.241879589034743E-14 -5.441830943332874E-15
q -7.598955141022598E-15 1.928524540084658E-14 -2.447181006849608E-13 3.631896363104177E-14 1.152366164038799E-13 1.488497751947253E-14
tp 2.780253926924818E-13 -2.447181006849608E-13 6.29492759931744E-9 3.807091495230624E-11 1.377397605579546E-9 1.005947457145634E-12
node -1.414661215056909E-14 3.631896363104177E-14 3.807091495230624E-11 5.524040601735065E-10 -5.265339039681466E-10 7.75093088176776E-12
peri -1.241879589034743E-14 1.152366164038799E-13 1.377397605579546E-9 -5.265339039681466E-10 8.409107035702149E-10 -7.131862430393335E-12
i -5.441830943332874E-15 1.488497751947253E-14 1.005947457145634E-12 7.75093088176776E-12 -7.131862430393335E-12 3.019505813304002E-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 15.6   n/a MPO436275  

70525 (1999 TW112)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/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
1901-Jun-08 11:29 00:02 Amphi 0.0364984488010011 0.0364769019447415 0.0365199977182661 7.66249610317632 7.6624960826208 2415543.978137903 1.75636571229998 1158.28557064434 46.7748646439894 21.9633013181383 43869.0063954865 T 12 CATAB v2.0f-lin.ifort 2020-Dec-17 21:54:44 2020-Dec-17 21:54
2024-Mar-14 10:13 < 00:01 Eunom 0.0313240260670556 0.031320690454451 0.0313273618419412 7.17596036671777 7.17596030426722 2460383.925394513 0.390804980916648 203.157760644152 44.8720344510319 -36.0912242581205 64255.6103976624 T 12 CATAB v2.0f-lin.ifort 2020-Dec-17 21:54:44 2020-Dec-17 21:54
2098-Nov-26 16:51 < 00:01 David 0.0186722734730707 0.0186647791037293 0.0186797822718896 8.80497913133886 8.80497903945113 2487669.201759874 0.439564575532242 904.95507615798 43.8345719500284 -65.7371074116101 58095.3482502948 T 12 CATAB v2.0f-lin.ifort 2020-Dec-17 21:54:44 2020-Dec-17 21:54
2135-Jul-10 11:43 < 00:01 Psych 0.0460319699400122 0.0460302624728594 0.0460336890108791 4.89158214218361 4.89158208845022 2501042.988411630 0.806080111376881 1343.08559832951 43.670940807736 -86.8687058329188 157353.671902888 T 12 CATAB v2.0f-lin.ifort 2020-Dec-17 21:54:44 2020-Dec-17 21:54

Alternate Designations
 1999 TW112 = 1998 HM72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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