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JPL Small-Body Database Browser
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48772 (1997 MR9)
Classification: Main-belt Asteroid          SPK-ID: 2048772
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212361067240732 4.4541e-08  
a 2.742833971309473 1.5933e-08 au
q 2.410303459237384 1.2354e-07 au
i 12.08275201578348 5.4293e-06 deg
node 179.520781572068 1.8993e-05 deg
peri 48.09984772068985 2.934e-05 deg
M 353.9502302717189 2.0159e-05 deg
tp 2458628.382650191028
(2019-May-24.88265019)		 9.289e-05 TDB
period 1659.196055321961
4.54		 1.4457e-05
3.958e-08		 d
yr
n .2169725505586157 1.8906e-09 deg/d
Q 3.075364483381562 1.7865e-08 au
   Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      9369 days (25.65 yr)  
   first obs. used      1993-09-16  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:16  

Additional Information
 Earth MOID = 1.42099 au 
 Jupiter MOID = 1.93533 au 
 T_jup = 3.307 
[ 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 14.8   n/a MPO299292  
diameter diameter 3.111 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48772 (1997 MR9)          Discovered 1997-Jun-27 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 MR9 = 2000 AC194 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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