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16487 (1990 RV5)
Classification: Main-belt Asteroid          SPK-ID: 2016487
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508441824688287 5.3498e-08  
a 2.303384160800333 1.573e-08 AU
q 1.955932060152758 1.2612e-07 AU
i 4.719867552623786 6.787e-06 deg
node 344.8177756964346 7.3156e-05 deg
peri 292.6719450670711 7.694e-05 deg
M 23.22991559739504 2.3303e-05 deg
tp 2456918.106467669540
(2014-Sep-17.60646767)
8.2662e-05 JED
period 1276.87384461663
3.50
1.308e-05
3.581e-08
d
yr
n .2819385811039828 2.888e-09 deg/d
Q 2.650836261447908 1.8103e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      11284 days (30.89 yr)  
   first obs. used      1983-07-13  
   last obs. used      2014-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53774  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:58:45  

Additional Information
 Earth MOID = .946901 AU 
 T_jup = 3.570 
[ 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 14.2 mag n/a MPO296270  

16487 (1990 RV5)          Discovered 1990-Sep-08 by Debehogne, H. at La Silla (809)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RV5 = 1998 XJ48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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