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48446 (1990 RB1)
Classification: Main-belt Asteroid          SPK-ID: 2048446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049580450408798 5.0118e-08  
a 3.175676561220999 1.8922e-08 au
q 2.524796101550999 1.5943e-07 au
i 10.55309149907446 5.9661e-06 deg
node 171.9593493577379 2.4541e-05 deg
peri 153.4019305363918 2.714e-05 deg
M 43.67867105182255 1.0754e-05 deg
tp 2458349.704501103190
(2018-Aug-19.20450110)
6.1785e-05 TDB
period 2067.058759542646
5.66
1.8475e-05
5.058e-08
d
yr
n .1741605062449473 1.5566e-09 deg/d
Q 3.826557020890999 2.28e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1063  
   data-arc span      10636 days (29.12 yr)  
   first obs. used      1990-09-14  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54156  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:37:07  

Additional Information
 Earth MOID = 1.51781 au 
 Jupiter MOID = 1.60627 au 
 T_jup = 3.142 
[ 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 MPO452831  
diameter diameter 10.469 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48446 (1990 RB1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RB1 = 2000 GM161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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