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JPL Small-Body Database Browser
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243721 (2000 HL68)
Classification: Main-belt Asteroid          SPK-ID: 2243721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045065274347955 7.2192e-08  
a 2.275465716371557 1.1083e-08 au
q 1.810118124419481 1.6582e-07 au
i .4881907361912775 8.1341e-06 deg
node 216.2702961306886 0.00099401 deg
peri 356.2268510155811 0.0009948 deg
M 198.5970092420423 3.45e-05 deg
tp 2459162.599176110308
(2020-Nov-09.09917611)
0.00012064 TDB
period 1253.729577434946
3.43
9.1596e-06
2.508e-08
d
yr
n .2871432615768211 2.0978e-09 deg/d
Q 2.740813308323633 1.3349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      8822 days (24.15 yr)  
   first obs. used      1993-03-19  
   last obs. used      2017-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:14:22  

Additional Information
 Earth MOID = .80433 au 
 Jupiter MOID = 2.22633 au 
 T_jup = 3.581 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456656.5 (2013-Dec-30.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042459023626624 7.2151e-08  
q 1.810474480093296 1.6562e-07 au
tp 2456655.561164413815
(2013-Dec-29.06116441)
0.00012013 TDB
node 216.3226305639547 0.00099637 deg
peri 356.2157397906035 0.00099716 deg
i .4872579897875132 8.1317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      8822 days (24.15 yr)  
   first obs. used      1993-03-19  
   last obs. used      2017-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:14:22  

Additional Information
 Jupiter MOID = 2.22633 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.205747923446709E-15 -1.193309651751726E-14 -3.636207179722815E-12 -2.478005535662461E-13 -9.848710676018725E-13 -1.13503010266074E-15
q -1.193309651751726E-14 2.743066446948261E-14 8.236509199363738E-12 5.594342610003528E-13 2.228616144974216E-12 2.657871590283903E-15
tp -3.636207179722815E-12 8.236509199363738E-12 1.443237522315469E-8 6.087680045976756E-10 4.847516707797811E-9 1.020883571360902E-12
node -2.478005535662461E-13 5.594342610003528E-13 6.087680045976756E-10 9.927550056118212E-7 -9.924944284618574E-7 -3.700529369352655E-9
peri -9.848710676018725E-13 2.228616144974216E-12 4.847516707797811E-9 -9.924944284618574E-7 9.943291676587424E-7 3.700786642630636E-9
i -1.13503010266074E-15 2.657871590283903E-15 1.020883571360902E-12 -3.700529369352655E-9 3.700786642630636E-9 6.612496793435464E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO300152  

243721 (2000 HL68)          Discovered 2000-Apr-28 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2000 HL68 = 1993 FM59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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