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JPL Small-Body Database Browser
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117251 (2004 SD41)
Classification: Main-belt Asteroid          SPK-ID: 2117251
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08096073280217782 4.9415e-08  
a 2.65261368890768 2.2762e-08 au
q 2.437856140812626 1.3203e-07 au
i 13.7842529079966 6.2707e-06 deg
node 15.29563357857867 2.294e-05 deg
peri 256.8669210933433 5.5669e-05 deg
M 237.2346126982001 5.642e-05 deg
tp 2459138.624634865297
(2020-Oct-16.12463487)
0.00025027 TDB
period 1578.00885745804
4.32
2.0311e-05
5.561e-08
d
yr
n .2281356015833217 2.9364e-09 deg/d
Q 2.867371237002734 2.4605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      7631 days (20.89 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58023  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:08:08  

Additional Information
 Earth MOID = 1.46652 au 
 Jupiter MOID = 2.24604 au 
 T_jup = 3.344 
[ 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 15.3   n/a MPO338086  

117251 (2004 SD41)          Discovered 2004-Sep-17 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2004 SD41 = 1998 FR51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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