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215780 (2004 HR69)
Classification: Main-belt Asteroid          SPK-ID: 2215780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050244796012972 5.259e-08  
a 2.865379751711898 3.1702e-08 au
q 2.564444734428262 1.6373e-07 au
i 14.06666757836385 5.076e-06 deg
node 225.0433231113082 2.2933e-05 deg
peri 256.7001277930427 4.0356e-05 deg
M 202.7971915828132 3.8802e-05 deg
tp 2459774.123240450682
(2022-Jul-13.62324045)
0.00019733 TDB
period 1771.624625325694
4.85
2.9401e-05
8.05e-08
d
yr
n .2032033168052278 3.3723e-09 deg/d
Q 3.166314768995535 3.5032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      6988 days (19.13 yr)  
   first obs. used      2001-09-29  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:51:11  

Additional Information
 Earth MOID = 1.62416 au 
 Jupiter MOID = 2.09833 au 
 T_jup = 3.248 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO433412  

215780 (2004 HR69)          Discovered 2004-Apr-22 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2004 HR69 = 2008 CX35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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