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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581969385044815 5.2366e-08  
a 2.561870341755273 1.4186e-08 au
q 2.156590296844159 1.3059e-07 au
i 14.13298760464122 5.1493e-06 deg
node 213.997516156792 2.1217e-05 deg
peri 100.0600723946963 2.7128e-05 deg
M 102.3106803843789 2.114e-05 deg
tp 2458774.850019442691
(2019-Oct-18.35001944)
8.5799e-05 TDB
period 1497.732127525051
4.10
1.244e-05
3.406e-08
d
yr
n .2403634090395638 1.9964e-09 deg/d
Q 2.967150386666387 1.643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      11210 days (30.69 yr)  
   first obs. used      1990-05-30  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56571  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:50:15  

Additional Information
 Earth MOID = 1.19558 au 
 Jupiter MOID = 2.41881 au 
 T_jup = 3.375 
[ show covariance matrix ]

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 15.61   n/a MPCxxxxx  

70525 (1999 TW112)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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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 15 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:17 2021-Apr-13 12:50
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 15 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:17 2021-Apr-13 12:50
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 15 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:17 2021-Apr-13 12:50
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 15 CATAB v2.0f-lin.ifort 2021-Apr-13 12:50:17 2021-Apr-13 12:50

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