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249576 (1995 FH2)
Classification: Main-belt Asteroid          SPK-ID: 2249576
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2983946035417483 6.8096e-08  
a 2.763586524859793 1.9293e-08 au
q 1.938947219420937 1.8695e-07 au
i 14.42348807878151 7.8788e-06 deg
node .5607169628598632 2.0266e-05 deg
peri 290.8499488420073 2.3775e-05 deg
M 85.89022082528992 1.2323e-05 deg
tp 2458600.141323362184
(2019-Apr-26.64132336)
5.7148e-05 TDB
period 1678.062091408384
4.59
1.7572e-05
4.811e-08
d
yr
n .2145331819622091 2.2466e-09 deg/d
Q 3.588225830298648 2.505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      9074 days (24.84 yr)  
   first obs. used      1995-03-23  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:24:55  

Additional Information
 Earth MOID = .977476 au 
 Jupiter MOID = 1.92502 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457493.5 (2016-Apr-15.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2985556962461195 6.791e-08  
q 1.937959095311068 1.8645e-07 au
tp 2456923.681784542277
(2014-Sep-23.18178454)
5.9471e-05 TDB
node .5918237315657413 2.0252e-05 deg
peri 290.9861874266671 2.3762e-05 deg
i 14.43107550149863 7.8821e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      9074 days (24.84 yr)  
   first obs. used      1995-03-23  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:24:55  

Additional Information
 Jupiter MOID = 1.92502 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.611797689551826E-15 -1.26286636390834E-14 2.142319004548234E-12 -2.380531592925226E-14 2.92399028352384E-13 -1.121955453786896E-14
q -1.26286636390834E-14 3.476445996057106E-14 -6.147133704344241E-12 6.237284014387849E-14 -8.41658172573183E-13 3.196827289102185E-14
tp 2.142319004548234E-12 -6.147133704344241E-12 3.536824414947692E-9 -1.484446167903945E-11 7.3393772468629E-10 -1.57663547016863E-11
node -2.380531592925226E-14 6.237284014387849E-14 -1.484446167903945E-11 4.101247321891434E-10 -3.990186361366271E-10 -2.523995787430807E-11
peri 2.92399028352384E-13 -8.41658172573183E-13 7.3393772468629E-10 -3.990186361366271E-10 5.646510338858926E-10 2.155120193139384E-11
i -1.121955453786896E-14 3.196827289102185E-14 -1.57663547016863E-11 -2.523995787430807E-11 2.155120193139384E-11 6.212782755458663E-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 16.1   n/a MPO494360  
diameter diameter 3.526 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249576 (1995 FH2)          Discovered 1995-Mar-23 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ 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
1966-Feb-01 22:10 00:02 Jupiter 1.95839693708706 1.95839587032493 1.95839800384939 0.283638030731268 n/a 2439158.423388303 1.94901887927762 85.8321107753796 47.4270665114465 70.3204824904736 5927505.09483531 F 11 CATAB v2.0f-lin.ifort 2020-Feb-25 10:25:08 2020-Feb-25 10:25
2026-May-24 12:59 < 00:01 Jupiter 1.91666343544249 1.91666251935031 1.9166643515458 2.24143858621552 2.03474712532448 2461185.041202311 0.57160278376562 790.959162009362 31.3740250555604 86.4415131406938 1012777.84664976 T 11 CATAB v2.0f-lin.ifort 2020-Feb-25 10:25:08 2020-Feb-25 10:25
2108-Nov-09 11:32 00:04 Jupiter 1.92069961394899 1.92069833103866 1.9207008970019 1.31299267608932 0.917581620187359 2491303.980391824 3.56489033917966 2299.03319000176 587.149045670833 43.045254815388 498949.243679111 T 11 CATAB v2.0f-lin.ifort 2020-Feb-25 10:25:08 2020-Feb-25 10:25
2169-Jan-26 10:12 00:05 Jupiter 1.9276877732811 1.92768619429069 1.9276893522713 2.88102245854744 2.72424191829765 2513296.925085096 4.89031112810345 469.769411695753 22.9399468641206 86.2936970296191 560396.636772524 T 11 CATAB v2.0f-lin.ifort 2020-Feb-25 10:25:08 2020-Feb-25 10:25

Alternate Designations
 1995 FH2 = 2009 DY125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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