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15707 (1988 RN4)
Classification: Main-belt Asteroid          SPK-ID: 2015707
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563301117625894 4.9462e-08  
a 2.587614565663194 2.2745e-08 au
q 1.924331034848243 1.2826e-07 au
i 11.19647041467466 8.6484e-06 deg
node 336.705705420342 3.114e-05 deg
peri 279.2485605999518 3.7561e-05 deg
M 264.5971239386839 2.5343e-05 deg
tp 2457803.408819609929
(2017-Feb-18.90881961)
0.00011035 JED
period 1520.364805001808
4.16
2.0046e-05
5.488e-08
d
yr
n .236785276017733 3.1219e-09 deg/d
Q 3.250898096478144 2.8575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      11968 days (32.77 yr)  
   first obs. used      1983-03-10  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52565  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:31:40  

Additional Information
 Earth MOID = .946747 au 
 Jupiter MOID = 1.99228 au 
 T_jup = 3.348 
[ 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 MPO267767  
diameter diameter 11.44 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0310   0.008 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

15707 (1988 RN4)          Discovered 1988-Sep-01 by Debehogne, H. at La Silla
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RN4 = 1983 EQ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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