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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457032.5 (2015-Jan-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1698483303358267 4.2638e-08  
q 1.896932389525988 9.5837e-08 au
tp 2456916.452997664032
(2014-Sep-15.95299766)
7.2477e-05 TDB
node 42.42092415953697 7.9773e-05 deg
peri 241.8324035783673 8.3227e-05 deg
i 3.412561359267511 6.8381e-06 deg
  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
 Jupiter MOID = 2.47541 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.817958064276745E-15 -4.057621941834458E-15 -7.108180488943206E-13 7.107157295122703E-15 -2.337455175010918E-13 4.948645684122436E-16
q -4.057621941834458E-15 9.184688778132157E-15 1.764142627365103E-12 -1.926941959888173E-14 5.806043660668438E-13 -8.947185470035751E-16
tp -7.108180488943206E-13 1.764142627365103E-12 5.252910054098075E-9 -6.086392242587904E-11 1.733254661162356E-9 -3.43172807486597E-12
node 7.107157295122703E-15 -1.926941959888173E-14 -6.086392242587904E-11 6.363678399082956E-9 -6.371297153914542E-9 -6.505554827703151E-11
peri -2.337455175010918E-13 5.806043660668438E-13 1.733254661162356E-9 -6.371297153914542E-9 6.926786980441199E-9 6.382609882193647E-11
i 4.948645684122436E-16 -8.947185470035751E-16 -3.43172807486597E-12 -6.505554827703151E-11 6.382609882193647E-11 4.675942016918082E-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 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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