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48779 Mariko (1997 RH)
Classification: Main-belt Asteroid          SPK-ID: 2048779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08831797765920861 3.9038e-08  
a 2.690665611266819 1.2226e-08 au
q 2.453031465922555 1.062e-07 au
i 1.442912697427597 4.105e-06 deg
node 316.8682993167166 0.000163 deg
peri 4.593680397725683 0.00016473 deg
M 349.1584828645684 2.2978e-05 deg
tp 2458649.048473486849
(2019-Jun-14.54847349)
0.00010285 TDB
period 1612.085304753802
4.41
1.0987e-05
3.008e-08
d
yr
n .2233132446145455 1.522e-09 deg/d
Q 2.928299756611083 1.3306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      8120 days (22.23 yr)  
   first obs. used      1997-09-01  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51444  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:14:32  

Additional Information
 Earth MOID = 1.4394 au 
 Jupiter MOID = 2.31005 au 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO502481  
diameter diameter 2.779 km 0.790 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48779 Mariko           Discovered 1997 Sept. 1 by H. Abe at Yatsuka.
Mariko Hamada (b. 1964) is a musician from Matsue-shi, Shimane-ken, Japan. Her love songs cuddle our souls, and her smile charms us all.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-11-25Last Updated: 2015-11-30

Alternate Designations
 1997 RH = 2000 EO45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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