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120155 (2003 HS8)
Classification: Main-belt Asteroid          SPK-ID: 2120155
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132909593492937 5.2777e-08  
a 3.096051888024442 2.7837e-08 au
q 2.745297199434961 1.6705e-07 au
i 1.621063804426344 4.2483e-06 deg
node 111.5763724407321 0.00023261 deg
peri 138.4125862965773 0.00023394 deg
M 16.5272495641148 2.6588e-05 deg
tp 2458909.149935769366
(2020-Feb-29.64993577)
0.00014659 TDB
period 1989.806168016772
5.45
2.6836e-05
7.347e-08
d
yr
n .1809221449739548 2.44e-09 deg/d
Q 3.446806576613922 3.0991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      6343 days (17.37 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:08  

Additional Information
 Earth MOID = 1.73146 au 
 Jupiter MOID = 1.58089 au 
 T_jup = 3.213 
[ 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 15.5   n/a MPO432703  
diameter diameter 5.710 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120155 (2003 HS8)          Discovered 2003-Apr-24 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ 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
1930-Aug-23 15:56 00:04 Jupiter 1.80232463581588 1.80232262938132 1.80232664224849 2.34963680499766 2.14029690996283 2426212.164000588 3.83225251734555 75.527614250006 32.0044243311097 -67.3426678327801 889816.450937112 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
1940-Jun-28 00:13 00:03 Jupiter 1.60303045398695 1.60302957713059 1.60303133084631 1.87633195100148 1.56966398190087 2429808.509112617 3.43157486288485 203.733526798552 34.0820389884407 77.0693907462005 1577394.73667318 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2001-Jan-22 00:41 < 00:01 Jupiter 1.63489465492148 1.6348940962113 1.63489521363111 1.82471376523389 1.51439769990912 2451931.528271458 0.706616044807029 58.8473631160522 36.6768917422157 85.5484173195561 1744030.35496313 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2010-Nov-25 11:43 < 00:01 Jupiter 1.74448711462244 1.74448658840359 1.74448764084108 2.51969838568439 2.31900735041935 2455525.988154844 0.323220089375678 51.6706932963436 7.58945572202379 -88.8883306543546 2104253.10008129 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2061-Aug-11 08:10 00:02 Jupiter 1.9057753286604 1.90577429109897 1.90577636622163 2.6753515362285 2.50371826255262 2474047.840483589 2.00167473556337 73.550076354233 25.5272377636389 -76.7499804609938 1632079.99730818 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2071-Jun-22 21:49 00:03 Jupiter 1.58454865444727 1.58454806870436 1.58454924018963 1.7537840751192 1.41656486496334 2477650.408783920 2.58627454131159 125.117639519788 53.6818383381539 75.8858809839942 1565587.03763313 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2081-May-04 16:58 00:03 Jupiter 1.95000896307665 1.95000737012101 1.95001055603451 3.47388639598746 3.34651305741921 2481254.206780105 2.90637676977339 141.009349307276 23.6583625962669 -65.2703469311431 2221094.18922022 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2132-Jan-18 03:52 00:05 Jupiter 1.71083387324203 1.71083180883164 1.71083593764892 2.02223883786664 1.76047242751178 2499773.660784649 5.30256733946864 67.0322088996486 14.4821015824825 -89.292772403927 748601.528448593 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59
2141-Nov-21 08:18 00:06 Jupiter 1.67149374633483 1.67149176945717 1.67149572322949 2.18536714279087 1.93967467708233 2503368.845930903 5.84906155540066 329.578830118683 7.0476352728089 88.7052126775125 1735319.78791235 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:59:09 2020-Nov-12 17:59

Alternate Designations
 2003 HS8 = 2002 CO287 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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