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109767 (2001 RH78)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109767
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07237375938372174 5.2423e-08  
a 3.241697428061763 2.9638e-08 au
q 3.007083598408391 1.689e-07 au
i 19.46792049914187 6.4829e-06 deg
node 18.49834060299633 1.527e-05 deg
peri 285.5467230163144 4.9032e-05 deg
M 143.9708551079386 4.9094e-05 deg
tp 2458147.931613379745
(2018-Jan-29.43161338)		 0.00028932 TDB
period 2131.852443004402
5.84		 2.9236e-05
8.004e-08		 d
yr
n .1688672221106706 2.3158e-09 deg/d
Q 3.476311257715135 3.1783e-08 au
   Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      6995 days (19.15 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:09:57  

Additional Information
 Earth MOID = 2.06394 au 
 Jupiter MOID = 1.78695 au 
 T_jup = 3.090 
[ 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 13.9   n/a MPO381927  
diameter diameter 8.970 km 0.489 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109767 (2001 RH78)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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