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300261 (2007 HS25)
Classification: Main-belt Asteroid          SPK-ID: 2300261
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693601851263428 4.2761e-08  
a 2.285142143266285 1.3978e-08 au
q 1.898130046842699 9.6087e-08 au
i 3.41194318701256 6.8388e-06 deg
node 42.40390045167227 7.9769e-05 deg
peri 241.7716798426796 8.3235e-05 deg
M 234.7103462530617 2.2323e-05 deg
tp 2459439.617721976381
(2021-Aug-13.11772198)
7.9934e-05 TDB
period 1261.735308414164
3.45
1.1577e-05
3.17e-08
d
yr
n .2853213329287526 2.618e-09 deg/d
Q 2.672154239689871 1.6346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9812 days (26.86 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:18:48  

Additional Information
 Earth MOID = .884659 au 
 Jupiter MOID = 2.47541 au 
 T_jup = 3.581 
[ 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 17.5   n/a MPO455216  

300261 (2007 HS25)          Discovered 2007-Apr-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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