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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2107509530059766 7.5794e-08  
a 3.169188385826547 4.8159e-08 AU
q 2.50127891325813 2.2789e-07 AU
i 10.52191759803148 9.3724e-06 deg
node 172.1875230682749 4.48e-05 deg
peri 151.2507815562907 5.1e-05 deg
M 92.84038074911393 2.958e-05 deg
tp 2456269.059164116536
(2012-Dec-07.55916412)
0.00016136 JED
period 2060.727232851992
5.64
4.6972e-05
1.286e-07
d
yr
n .1746956095211929 3.982e-09 deg/d
Q 3.837097858394964 5.8309e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1990-09-14  
   last obs. used      2013-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58943  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 07:19:02  

Additional Information
 Earth MOID = 1.4945 AU 
 T_jup = 3.142 
[ 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 13.7 mag n/a MPO216852  

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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