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277849 (2006 HR104)
Classification: Main-belt Asteroid          SPK-ID: 2277849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531510602587607 6.9005e-08  
a 2.890993104929866 3.5008e-08 au
q 2.44823444570909 2.0263e-07 au
i 16.43817957190457 7.6744e-06 deg
node 90.46459591204346 2.1062e-05 deg
peri 115.7039755179778 3.6104e-05 deg
M 317.320157299074 2.7175e-05 deg
tp 2459213.357677899051
(2020-Dec-29.85767790)
0.0001374 TDB
period 1795.432203924122
4.92
3.2612e-05
8.929e-08
d
yr
n .2005088241222246 3.642e-09 deg/d
Q 3.333751764150642 4.0369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6888 days (18.86 yr)  
   first obs. used      2001-03-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59375  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:15:22  

Additional Information
 Earth MOID = 1.49037 au 
 Jupiter MOID = 1.84793 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 15.9   n/a MPO418478  

277849 (2006 HR104)          Discovered 2006-Apr-18 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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