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187988 (2001 RM79)
Classification: Main-belt Asteroid          SPK-ID: 2187988
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2541330282250539 4.65e-08  
a 2.44857946604743 7.7495e-09 au
q 1.826314551491111 1.1466e-07 au
i 12.25184561162186 4.764e-06 deg
node 201.6150471596357 1.5971e-05 deg
peri 149.7085136519024 1.8153e-05 deg
M 24.69834329338347 5.825e-06 deg
tp 2459104.485891542324
(2020-Sep-11.98589154)		 2.2733e-05 TDB
period 1399.489780920776
3.83		 6.6438e-06
1.819e-08		 d
yr
n .2572366050169675 1.2212e-09 deg/d
Q 3.070844380603749 9.7189e-09 au
   Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      7077 days (19.38 yr)  
   first obs. used      2001-08-28  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:57:45  

Additional Information
 Earth MOID = .83133 au 
 Jupiter MOID = 2.42977 au 
 T_jup = 3.422 
[ 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 16.60   n/a E2021B55  
diameter diameter 2.062 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.104   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

187988 (2001 RM79)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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