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210273 (2007 TD8)
Classification: Main-belt Asteroid          SPK-ID: 2210273
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607460750940763 3.6223e-08  
a 2.254710610436338 1.285e-08 au
q 1.892274729335728 8.5829e-08 au
i 4.995868760555642 4.4063e-06 deg
node 94.53103045297679 4.7289e-05 deg
peri 245.614234026785 4.9645e-05 deg
M 290.3636829251975 1.4396e-05 deg
tp 2459239.703722051590
(2021-Jan-25.20372205)
4.987e-05 TDB
period 1236.615369047594
3.39
1.0572e-05
2.894e-08
d
yr
n .2911171969965582 2.4887e-09 deg/d
Q 2.617146491536948 1.4916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      8857 days (24.25 yr)  
   first obs. used      1996-05-17  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:15:09  

Additional Information
 Earth MOID = .889929 au 
 Jupiter MOID = 2.76148 au 
 T_jup = 3.602 
[ 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 16.87   n/a E2021B55  

210273 (2007 TD8)          Discovered 2007-Oct-07 by Lowe, A. at Mayhill
Reference: 20090311/Numbers.arcLast Updated: 2009-03-12

[ 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
2154-Feb-28 00:37 00:03 Eunom 0.0468719847072607 0.0468125470975032 0.0469314245074049 5.72280339398569 5.72280334165317 2507850.525598245 3.19770742181553 3005.3018516281 45.810730790588 9.68045627503049 25824.9198144605 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 04:15:10 2020-Nov-12 04:15

Alternate Designations
 2007 TD8 = 2002 CF85 = 2004 XY127 = 2006 GK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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