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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582231433651749 5.8042e-08  
a 2.561368197216093 1.6235e-08 au
q 2.156100469736971 1.4851e-07 au
i 14.13448696085158 5.6266e-06 deg
node 213.9992124605288 2.5413e-05 deg
peri 99.98685413266875 3.047e-05 deg
M 54.29910587329128 2.1237e-05 deg
tp 2458774.662205617595
(2019-Oct-18.16220562)
8.7033e-05 TDB
period 1497.291800115195
4.10
1.4236e-05
3.898e-08
d
yr
n .2404340957269005 2.2859e-09 deg/d
Q 2.966635924695214 1.8804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      11110 days (30.42 yr)  
   first obs. used      1990-05-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:16  

Additional Information
 Earth MOID = 1.1969 au 
 Jupiter MOID = 2.41974 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456419.5 (2013-May-07.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157974226221215 5.7728e-08  
q 2.157676121444559 1.4768e-07 au
tp 2455781.805498508754
(2011-Aug-08.30549851)
7.4627e-05 TDB
node 214.0574213741209 2.5389e-05 deg
peri 100.4790532344664 3.0511e-05 deg
i 14.13887960577072 5.6289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      11110 days (30.42 yr)  
   first obs. used      1990-05-30  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59412  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:16  

Additional Information
 Jupiter MOID = 2.41974 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.332474340905869E-15 -8.488747705188542E-15 1.319950950753094E-13 -1.316145638055858E-14 -4.435407295477399E-15 -6.609316172585407E-15
q -8.488747705188542E-15 2.180834015495036E-14 -4.885492639363869E-14 3.341014765541751E-14 8.977512263620161E-14 1.764621291629984E-14
tp 1.319950950753094E-13 -4.885492639363869E-14 5.569188707440582E-9 3.807416090431487E-11 1.304664943842373E-9 6.056864270262727E-13
node -1.316145638055858E-14 3.341014765541751E-14 3.807416090431487E-11 6.446009099760303E-10 -6.161616573393113E-10 -3.911070488965577E-12
peri -4.435407295477399E-15 8.977512263620161E-14 1.304664943842373E-9 -6.161616573393113E-10 9.308989087347722E-10 4.203259673103617E-12
i -6.609316172585407E-15 1.764621291629984E-14 6.056864270262727E-13 -3.911070488965577E-12 4.203259673103617E-12 3.16840460876553E-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 11 CATAB v2.0f-lin.ifort 2020-Nov-12 22:00:18 2020-Nov-12 22:00
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 11 CATAB v2.0f-lin.ifort 2020-Nov-12 22:00:18 2020-Nov-12 22:00
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 11 CATAB v2.0f-lin.ifort 2020-Nov-12 22:00:18 2020-Nov-12 22:00
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 11 CATAB v2.0f-lin.ifort 2020-Nov-12 22:00:18 2020-Nov-12 22:00

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