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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07232114683853877 5.4805e-08  
a 3.240698237026385 3.0476e-08 au
q 3.006327223967006 1.7869e-07 au
i 19.47213026296413 7.095e-06 deg
node 18.51065199303593 1.5867e-05 deg
peri 285.2524377658716 5.1204e-05 deg
M 76.7144484028822 5.0585e-05 deg
tp 2458146.421455078812
(2018-Jan-27.92145508)
0.00029913 TDB
period 2130.866865041372
5.83
3.0059e-05
8.23e-08
d
yr
n .1689453273248071 2.3832e-09 deg/d
Q 3.475069250085764 3.268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      6675 days (18.28 yr)  
   first obs. used      2001-08-28  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:07:24  

Additional Information
 Earth MOID = 2.06276 au 
 Jupiter MOID = 1.78767 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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