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187859 (2000 HL69)
Classification: Inner Main-belt Asteroid          SPK-ID: 2187859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08270180021391152 2.7874e-08  
a 1.904158019377949 5.4162e-09 au
q 1.746680723283636 5.4106e-08 au
i 20.46349795794361 4.7646e-06 deg
node 222.7581946078362 9.3986e-06 deg
peri 76.51623692398684 3.2205e-05 deg
M 304.3547687427979 2.9996e-05 deg
tp 2459544.846859560650
(2021-Nov-26.34685956)
8.0065e-05 TDB
period 959.7384759708743
2.63
4.0948e-06
1.121e-08
d
yr
n .3751021856613834 1.6004e-09 deg/d
Q 2.061635315472261 5.8641e-09 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:47:23  

Additional Information
 Earth MOID = .810268 au 
 Jupiter MOID = 3.04863 au 
 T_jup = 3.862 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457803.5 (2017-Feb-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08276100950376143 2.784e-08  
q 1.746739949820102 5.4051e-08 au
tp 2457625.086595501784
(2016-Aug-24.58659550)
7.9204e-05 TDB
node 222.7722596287905 9.3962e-06 deg
peri 76.48743912439849 3.2215e-05 deg
i 20.46549985273054 4.7653e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:47:23  

Additional Information
 Jupiter MOID = 3.04863 au 
 T_jup = 3.862 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.75081164552494E-16 -1.498603813553578E-15 2.630413612686718E-14 2.134009861058804E-15 -6.421520417724561E-15 -3.958194193229536E-15
q -1.498603813553578E-15 2.921540407965654E-15 -2.800155177056343E-14 -4.70236814448597E-15 2.266822213074186E-14 7.793153164122713E-15
tp 2.630413612686718E-14 -2.800155177056343E-14 6.273312347379229E-9 -3.426278829717597E-11 2.446294368510845E-9 -1.092150795926819E-11
node 2.134009861058804E-15 -4.70236814448597E-15 -3.426278829717597E-11 8.828869082292826E-11 -9.539849609634365E-11 -7.966666610737293E-12
peri -6.421520417724561E-15 2.266822213074186E-14 2.446294368510845E-9 -9.539849609634365E-11 1.03783303468017E-9 3.510830635458174E-12
i -3.958194193229536E-15 7.793153164122713E-15 -1.092150795926819E-11 -7.966666610737293E-12 3.510830635458174E-12 2.270827465033894E-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 17.29   n/a MPCxxxxx  

187859 (2000 HL69)          Discovered 2000-Apr-25 by LONEOS at Anderson Mesa
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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