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JPL Small-Body Database Browser
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26277 Ianrees (1998 SM4)
Classification: Main-belt Asteroid          SPK-ID: 2026277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181912031970915 4.0399e-08  
a 2.420242018104997 8.0593e-09 au
q 1.892166500146511 9.7335e-08 au
i 1.765787262298746 4.2611e-06 deg
node 203.5959167568693 0.00010304 deg
peri 174.922030876126 0.00010332 deg
M 160.6966348682351 6.9308e-06 deg
tp 2457986.609513413902
(2017-Aug-21.10951341)
2.595e-05 TDB
period 1375.265731931519
3.77
6.8694e-06
1.881e-08
d
yr
n .2617675927214378 1.3075e-09 deg/d
Q 2.948317536063484 9.8178e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1340  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1997-05-04  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52451  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:57:01  

Additional Information
 Earth MOID = .893475 au 
 Jupiter MOID = 2.51118 au 
 T_jup = 3.480 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO267804  

26277 Ianrees           Discovered 1998 Sept. 20 by P. G. Comba at Prescott.
Ian Hudson Rees (b. 2000) is a grandson of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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