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85324 (1995 HX2)
Classification: Main-belt Asteroid          SPK-ID: 2085324
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096855581138178 7.8437e-08  
a 3.065540525826424 2.7792e-08 au
q 2.729295002330626 2.5702e-07 au
i 13.2686335176311 4.1985e-06 deg
node 49.18842634089103 2.1213e-05 deg
peri 170.672728383995 3.4106e-05 deg
M 315.0135780552389 3.1873e-05 deg
tp 2459641.484140899671
(2022-Mar-02.98414090)
0.00017599 TDB
period 1960.4646671428
5.37
2.666e-05
7.299e-08
d
yr
n .1836299353074634 2.4971e-09 deg/d
Q 3.401786049322222 3.084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      9577 days (26.22 yr)  
   first obs. used      1995-03-26  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:47  

Additional Information
 Earth MOID = 1.72221 au 
 Jupiter MOID = 1.57582 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457967.5 (2017-Aug-02.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107051933322639 7.8537e-08  
q 2.724261655706781 2.5724e-07 au
tp 2457680.074282824178
(2016-Oct-18.57428282)
0.00015559 TDB
node 49.20728287031636 2.1208e-05 deg
peri 170.3857540184447 3.3851e-05 deg
i 13.27341264498638 4.2e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      9577 days (26.22 yr)  
   first obs. used      1995-03-26  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:47  

Additional Information
 Jupiter MOID = 1.57582 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.168007371445603E-15 -2.014844732160509E-14 -7.502174897234609E-12 -1.868052416028105E-14 -1.007936040202933E-12 -1.914087248893719E-14
q -2.014844732160509E-14 6.617227447920818E-14 2.54805510046289E-11 6.226163674805566E-14 3.479230174442203E-12 6.449631626109848E-14
tp -7.502174897234609E-12 2.54805510046289E-11 2.420844834329516E-8 1.524936024776708E-11 4.094841749213947E-9 4.760379910368533E-11
node -1.868052416028105E-14 6.226163674805566E-14 1.524936024776708E-11 4.497853989368532E-10 -4.357506696407319E-10 -1.540308939830869E-11
peri -1.007936040202933E-12 3.479230174442203E-12 4.094841749213947E-9 -4.357506696407319E-10 1.14589683730979E-9 2.279315952143645E-11
i -1.914087248893719E-14 6.449631626109848E-14 4.760379910368533E-11 -1.540308939830869E-11 2.279315952143645E-11 1.763998147175876E-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 14.87   n/a MPCxxxxx  
diameter diameter 4.188 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85324 (1995 HX2)          Discovered 1995-Apr-25 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1995 HX2 = 2000 FX31 = 2003 UN313 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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