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46228 (2001 HZ2)
Classification: Main-belt Asteroid          SPK-ID: 2046228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518737194764386 3.8486e-08  
a 3.186010743072515 2.0238e-08 au
q 2.7021394412302 1.1769e-07 au
i 1.133671651161005 4.5745e-06 deg
node 40.48082583262469 0.00021155 deg
peri 218.6100366989306 0.00021213 deg
M 95.76551269990563 1.6085e-05 deg
tp 2458447.944484864573
(2018-Nov-25.44448486)
9.2418e-05 TDB
period 2077.15679518259
5.69
1.9791e-05
5.418e-08
d
yr
n .1733138301523138 1.6514e-09 deg/d
Q 3.669882044914829 2.3311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:11  

Additional Information
 Earth MOID = 1.68702 au 
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524229700150219 3.8095e-08  
q 2.700507691412403 1.1646e-07 au
tp 2456375.346941742247
(2013-Mar-23.84694174)
9.4471e-05 TDB
node 40.51165224404843 0.00021099 deg
peri 219.5263004644081 0.00021157 deg
i 1.136390855339215 4.5776e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:11  

Additional Information
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.451222542153217E-15 -4.393370950061448E-15 -3.57953238853366E-13 -1.721520135306261E-15 -8.281810372401814E-14 -4.078561720654058E-17
q -4.393370950061448E-15 1.356197439495482E-14 8.146399912251645E-13 4.432782166096398E-15 2.285678290581363E-13 1.676523854519209E-16
tp -3.57953238853366E-13 8.146399912251645E-13 8.924694420962863E-9 5.035856607237169E-12 1.50427314404016E-9 -9.081740820577078E-13
node -1.721520135306261E-15 4.432782166096398E-15 5.035856607237169E-12 4.45152145492126E-8 -4.450528224157465E-8 -1.993124603784268E-10
peri -8.281810372401814E-14 2.285678290581363E-13 1.50427314404016E-9 -4.450528224157465E-8 4.476244429209839E-8 1.991274139505663E-10
i -4.078561720654058E-17 1.676523854519209E-16 -9.081740820577078E-13 -1.993124603784268E-10 1.991274139505663E-10 2.095449187186149E-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 14.6   n/a MPO235030  
diameter diameter 5.809 km 1.786 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46228 (2001 HZ2)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20020822/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
1907-Oct-01 08:02 00:05 Jupiter 1.88161297160205 1.88161002702766 1.88161591617461 2.67074365816672 2.49650883088222 2417849.835011321 5.0258961170436 126.793206397 33.5574337332196 -48.0584404415729 1018982.1355863 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
1918-Nov-04 03:08 00:04 Jupiter 1.6429963517002 1.64299421154577 1.64299849184941 1.86954688257731 1.56975637263286 2421901.630736312 4.19790707051832 62.2737847326163 40.2786804928007 74.0917059721645 652281.206411473 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
1929-Dec-29 18:49 00:03 Jupiter 1.4863047145165 1.48630371324677 1.4863057157837 1.44378302655036 0.971977242195819 2425975.284080524 3.21674602621798 206.423777140135 97.4193419706676 8.96150559697796 1279759.31879747 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
1941-Mar-10 10:03 00:02 Jupiter 1.45530267746627 1.45530231365946 1.45530304127266 1.43774475740896 0.950294702644098 2430063.918963841 2.44643016779791 170.704906665431 116.606295498215 19.3680386188633 2096657.26069029 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
1952-May-04 17:22 00:02 Jupiter 1.55263172920529 1.5526310178928 1.55263244051929 1.87560482370816 1.55782338839652 2434137.223715901 1.96710192636234 132.787876145133 27.6282524435987 76.1620103927321 2213548.50473398 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
1963-May-27 13:09 00:02 Jupiter 1.76698731426527 1.76698644083852 1.76698818769282 2.83522323050045 2.66078397449234 2438177.047581382 1.5797306940027 90.7287312404126 12.8828505654449 -76.5850228355169 2569779.19839974 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
2074-Jan-04 16:37 00:02 Jupiter 1.84505592131773 1.84505482346942 1.84505701916573 2.47182137239129 2.278540571722 2478577.192052151 1.88458310110108 63.6811223045781 20.023421604001 -73.8235412974382 1609280.06563955 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
2085-Feb-14 16:45 00:02 Jupiter 1.6294382014729 1.62943721315198 1.62943918979244 1.78438445244754 1.46436952859274 2482636.197820752 2.30554731746032 64.1783667149173 38.7172732145007 84.8715580076379 1311476.27500656 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
2096-Apr-17 22:55 00:03 Jupiter 1.50062916561889 1.50062863895766 1.50062969227935 1.46038304463422 1.00191256526197 2486716.454758827 2.82075797082923 120.863157002158 97.7579393247378 1.47204914449877 2097748.07676912 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
2107-Jun-26 19:15 00:04 Jupiter 1.48640401754867 1.4864033006565 1.48640473443923 1.51772855402414 1.07879860980974 2490802.302418805 3.64391859343069 211.520839806945 86.6066224030812 17.826634323685 1265542.42063704 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
2118-Aug-14 04:17 00:05 Jupiter 1.59768006472646 1.59767805419083 1.59768207526845 2.03484716796429 1.75507476693837 2494868.678258196 4.76084059312387 245.122139627434 15.4482059747684 79.4807705891983 2006104.82634139 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
2129-Aug-31 16:01 00:06 Jupiter 1.81012813017552 1.81012506735078 1.8101311930123 3.05956527327011 2.90259701478512 2498904.167411270 5.69234000198378 290.255391649432 16.0769481517193 -70.1749998495123 2452917.90881794 T 23 CATAB v2.0f-lin.ifort 2020-Dec-17 21:22:13 2020-Dec-17 21:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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