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JPL Small-Body Database Browser
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344914 (2004 RR261)
Classification: Main-belt Asteroid          SPK-ID: 2344914
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025194449085427 9.518e-08  
a 2.383428715490175 2.1241e-08 au
q 2.139080926599042 2.2642e-07 au
i 2.501055037023531 1.0209e-05 deg
node 180.4238195735055 0.0001366 deg
peri 9.840161288165714 0.00013927 deg
M 147.9423171240692 3.0645e-05 deg
tp 2458048.178952054912
(2017-Oct-21.67895206)
0.00011082 TDB
period 1344.007455915955
3.68
1.7966e-05
4.919e-08
d
yr
n .2678556569127484 3.5806e-09 deg/d
Q 2.627776504381309 2.3418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      10052 days (27.52 yr)  
   first obs. used      1992-04-25  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 22:57:44  

Additional Information
 Earth MOID = 1.13963 au 
 Jupiter MOID = 2.32888 au 
 T_jup = 3.528 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO248732  

344914 (2004 RR261)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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