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8497 (1990 RE7)
Classification: Main-belt Asteroid          SPK-ID: 2008497
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100649784759216 6.7064e-08  
a 2.982903115537991 3.0941e-08 AU
q 2.654589948330543 2.0004e-07 AU
i 10.49811020806297 7.9295e-06 deg
node 358.5173289293413 3.5124e-05 deg
peri 64.12558434606497 5.291e-05 deg
M 148.9086067772681 3.7831e-05 deg
tp 2456022.150863396846
(2012-Apr-04.65086340)
0.00019381 JED
period 1881.729305252695
5.15
2.9279e-05
8.016e-08
d
yr
n .191313383383619 2.9767e-09 deg/d
Q 3.31121628274544 3.4347e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      11814 days (32.34 yr)  
   first obs. used      1982-01-26  
   last obs. used      2014-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52404  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:39:55  

Additional Information
 Earth MOID = 1.68571 AU 
 T_jup = 3.224 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO263425  
rotation period rot_per 4.40 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Polishook, D. (2012) Minor Planet Bul. 39, 88-89.]

8497 (1990 RE7)          Discovered 1990-Sep-13 by Debehogne, H. at La Silla (809)
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 RE7 = 1982 BF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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