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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 | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08264932390786114 4.2717e-08  
a 1.904354796424168 6.5153e-09 au
q 1.746961160019018 7.9565e-08 au
i 20.4622944872987 4.8145e-06 deg
node 222.7604728602147 1.1212e-05 deg
peri 76.44000839112427 3.4154e-05 deg
M 230.9104271504242 3.0305e-05 deg
tp 2459544.698430759660
(2021-Nov-26.19843076)
8.0906e-05 TDB
period 959.8872499010275
2.63
4.9261e-06
1.349e-08
d
yr
n .3750440481807827 1.9247e-09 deg/d
Q 2.061748432829318 7.0538e-09 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      8158 days (22.34 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:07  

Additional Information
 Earth MOID = .80874 au 
 Jupiter MOID = 3.04944 au 
 T_jup = 3.862 
[ 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 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

[ 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
1936-Mar-03 10:26 00:02 Juno 0.0365638552933295 0.0365482638288342 0.0365794470580386 6.77939592892617 6.77939587984635 2428230.934494640 2.11852676428528 794.603658863091 30.8029032561085 -12.014171526817 37554.9829584093 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 21:57:08 2021-Apr-13 21:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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