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16549 (1991 RE10)
Classification: Main-belt Asteroid          SPK-ID: 2016549
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 .2019434626265551 5.6027e-08  
a 2.780943978148532 2.3423e-08 AU
q 2.21935052183075 1.6355e-07 AU
i 6.843056400326278 7.0355e-06 deg
node 307.3791957382654 6.3652e-05 deg
peri 129.642742245796 6.7994e-05 deg
M 313.1893054512817 2.6235e-05 deg
tp 2457220.756823321901
(2015-Jul-17.25682332)
0.00012518 JED
period 1693.896173947186
4.64
2.1401e-05
5.859e-08
d
yr
n .2125277838966443 2.6851e-09 deg/d
Q 3.342537434466313 2.8153e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      23222 days (63.58 yr)  
   first obs. used      1951-02-04  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5497  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:06:47  

Additional Information
 Earth MOID = 1.24185 AU 
 T_jup = 3.293 
[ 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 13.0 mag n/a MPO234928  

16549 (1991 RE10)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RE10 = 1996 VN1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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