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226746 (2004 RF23)
Classification: Main-belt Asteroid          SPK-ID: 2226746
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041118584585277 2.693e-07  
a 2.941924483777017 2.487e-08 au
q 2.635635258326347 7.9458e-07 au
i 12.44959933038064 2.3454e-05 deg
node 354.7951261989799 3.1448e-05 deg
peri 1.434236510377071 5.8731e-05 deg
M 34.6106562875315 4.7811e-05 deg
tp 2458823.304355959093
(2019-Dec-05.80435596)
0.00024469 TDB
period 1843.086456517352
5.05
2.3371e-05
6.399e-08
d
yr
n .1953245322415567 2.4768e-09 deg/d
Q 3.248213709227687 2.7459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:59  

Additional Information
 Earth MOID = 1.63118 au 
 Jupiter MOID = 2.18972 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457331.5 (2015-Nov-05.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069114732664619 2.7358e-07  
q 2.62604358086253 8.1161e-07 au
tp 2456973.227967715420
(2014-Nov-11.72796772)
0.00022082 TDB
node 354.9542913391339 3.1422e-05 deg
peri .07593315287398042 5.5397e-05 deg
i 12.48090339119887 2.3489e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:30:59  

Additional Information
 Jupiter MOID = 2.18972 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.484730785002681E-14 -2.219607117958051E-13 -5.153964256088217E-11 9.106978790632622E-13 -1.057013747846709E-11 -7.81865388023521E-13
q -2.219607117958051E-13 6.58712471408411E-13 1.52153521803082E-10 -2.709560133018305E-12 3.122745378285989E-11 2.325123310189783E-12
tp -5.153964256088217E-11 1.52153521803082E-10 4.876186441130814E-8 -6.737972022544102E-10 1.017581072941566E-8 5.823978130630871E-10
node 9.106978790632622E-13 -2.709560133018305E-12 -6.737972022544102E-10 9.873632405225938E-10 -1.088950996397378E-9 -5.738995299724422E-10
peri -1.057013747846709E-11 3.122745378285989E-11 1.017581072941566E-8 -1.088950996397378E-9 3.068850564683214E-9 6.690803859936065E-10
i -7.81865388023521E-13 2.325123310189783E-12 5.823978130630871E-10 -5.738995299724422E-10 6.690803859936065E-10 5.517346008166737E-10

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 15.4   n/a MPO494245  

226746 (2004 RF23)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RF23 = 1999 RZ174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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