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

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102040401695508 7.501e-08  
a 3.172034945303966 4.7697e-08 AU
q 2.505260384242072 2.2417e-07 AU
i 10.52404400689493 8.8994e-06 deg
node 172.1387559828038 4.4196e-05 deg
peri 151.5221363913724 5.0209e-05 deg
M 127.5332527258594 2.9991e-05 deg
tp 2456269.484968363386
(2012-Dec-07.98496836)
0.00016046 JED
period 2063.504268607272
5.65
4.6542e-05
1.274e-07
d
yr
n .1744605065648718 3.935e-09 deg/d
Q 3.83880950636586 5.7723e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      8813 days (24.13 yr)  
   first obs. used      1990-09-14  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57921  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:31:08  

Additional Information
 Earth MOID = 1.50024 AU 
 T_jup = 3.141 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO309526  

48446 (1990 RB1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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