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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 
[ 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

[ 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
1927-Feb-26 15:07 00:02 Amphi 0.0197548366337516 0.0197389714842393 0.0197707040344974 4.25146806256732 4.25146799411933 2424938.129756500 1.51370022722935 859.165993909076 110.096712944346 -23.203759444464 11032.587436132 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
1972-Jan-23 15:13 00:01 Amphi 0.0155826564519858 0.0155773867667114 0.015587927838806 4.07887582407206 4.0788757336257 2441340.134045888 1.21002685073173 385.665866862842 109.576756504864 49.7869082169244 16698.8983479513 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
2016-Dec-25 10:54 00:01 Amphi 0.0214499461102156 0.02144614056775 0.0214537517344828 4.208560300125 4.2085602364435 2457747.954411696 1.10294716324734 205.916858605428 107.432104916498 -27.137607374873 19430.7438812952 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
2020-Feb-08 21:04 00:01 David 0.0231836534375241 0.0231788468335803 0.0231884601065067 6.25473049173872 6.25473038755676 2458888.377680775 1.07913731589761 247.944675840645 67.0854144981114 15.4947232987864 19290.2905514864 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
2061-Nov-28 07:44 00:02 Amphi 0.0335698341595685 0.0335590686215101 0.0335806011018036 4.33525511537538 4.33525507587428 2474156.822358493 1.58742574588002 640.393498771544 108.082192039727 -33.6123685313038 26525.1440137762 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
2106-Oct-26 16:43 00:03 Amphi 0.0261940208037685 0.0261796337378205 0.0262084191369636 4.21599609257822 4.21599604052223 2490559.196532574 2.65616589862304 1124.69402963117 107.89168627424 -50.6874950695374 28173.1898858006 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
2151-Sep-30 12:21 00:03 Amphi 0.0497561885052808 0.0497276800982052 0.0497847016135446 4.39978884479251 4.39978881853254 2506969.014402099 2.75513163605109 1613.89061541181 107.294119513604 -28.3507483918866 33177.7070086467 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
2196-Aug-28 16:15 00:04 Amphi 0.0474087399095366 0.0473747904039992 0.0474427024791406 4.39297210530054 4.39297207769755 2523373.176783180 3.66950792945425 2100.11385150979 106.923772224405 -36.3485098592551 39389.8905755376 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 17:18:50 2020-Feb-25 17:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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