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JPL Small-Body Database Browser
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48195 (2001 HJ65)
Classification: Main-belt Asteroid          SPK-ID: 2048195
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04861139075575358 4.3233e-08  
a 2.51810828954468 1.6221e-08 au
q 2.395699543516321 1.1293e-07 au
i 13.36249798418928 4.747e-06 deg
node 215.5300659279354 2.0577e-05 deg
peri 240.5029289664959 5.5088e-05 deg
M 37.89500753430184 5.0951e-05 deg
tp 2458846.865225283829
(2019-Dec-29.36522528)
0.00020683 TDB
period 1459.51993406407
4.00
1.4102e-05
3.861e-08
d
yr
n .2466564461353884 2.3833e-09 deg/d
Q 2.640517035573038 1.7009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8340 days (22.83 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:01:49  

Additional Information
 Earth MOID = 1.43566 au 
 Jupiter MOID = 2.48832 au 
 T_jup = 3.418 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457178.5 (2015-Jun-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04731223512978688 4.3243e-08  
q 2.398677039075978 1.128e-07 au
tp 2457389.069493399919
(2016-Jan-01.56949340)
0.00021578 TDB
node 215.5598083866459 2.0592e-05 deg
peri 240.9386253488309 5.6435e-05 deg
i 13.35655207487556 4.7461e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8340 days (22.83 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:01:49  

Additional Information
 Jupiter MOID = 2.48832 au 
 T_jup = 3.418 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.869947728224118E-15 -4.833890134941234E-15 4.941973684302782E-13 2.65704413284084E-14 9.513574425213831E-14 -3.435021554535898E-15
q -4.833890134941234E-15 1.272422603698773E-14 -2.071243297987431E-12 -6.980919143404818E-14 -4.475704061001326E-13 9.177221843824661E-15
tp 4.941973684302782E-13 -2.071243297987431E-12 4.656049545622023E-8 2.196881157900504E-11 1.136168878047528E-8 3.263621898395261E-11
node 2.65704413284084E-14 -6.980919143404818E-14 2.196881157900504E-11 4.240122192833245E-10 -4.066337532464002E-10 -6.211986163809843E-12
peri 9.513574425213831E-14 -4.475704061001326E-13 1.136168878047528E-8 -4.066337532464002E-10 3.184854019408773E-9 1.386516658361429E-11
i -3.435021554535898E-15 9.177221843824661E-15 3.263621898395261E-11 -6.211986163809843E-12 1.386516658361429E-11 2.252543678322755E-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 15.3   n/a MPO452827  
diameter diameter 2.336 km 0.705 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48195 (2001 HJ65)          Discovered 2001-Apr-30 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ 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
2139-Jan-13 13:32 < 00:01 Thisb 0.00531992815545143 0.00530634144937312 0.00533370768706038 5.26450820407849 5.2645079606277 2502326.063904548 0.795398718291296 1742.01626137273 60.3526841558959 67.0287392095356 12136.4986379158 T 20 CATAB v2.0f-lin.ifort 2020-Feb-23 09:02:02 2020-Feb-23 09:02

Alternate Designations
 2001 HJ65 = 1997 HT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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