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447038 (2004 RF25)
Classification: Main-belt Asteroid          SPK-ID: 2447038
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2089670545716584 9.7306e-08  
a 2.38564140657934 1.7244e-08 au
q 1.887120948582267 2.2567e-07 au
i .9530263036676636 8.8491e-06 deg
node 201.7737684785582 0.00044447 deg
peri 157.0386196524978 0.00044527 deg
M 84.9066760113237 2.0477e-05 deg
tp 2458683.071796428809
(2019-Jul-18.57179643)
7.6472e-05 TDB
period 1345.879483851053
3.68
1.4593e-05
3.995e-08
d
yr
n .2674830876906664 2.9002e-09 deg/d
Q 2.884161864576413 2.0848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5552 days (15.20 yr)  
   first obs. used      2004-09-06  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:59:50  

Additional Information
 Earth MOID = .883536 au 
 Jupiter MOID = 2.56777 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457492.5 (2016-Apr-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104508867733325 9.7875e-08  
q 1.882799976558217 2.2741e-07 au
tp 2457336.412484787682
(2015-Nov-09.91248479)
7.5701e-05 TDB
node 201.7872893281547 0.0004451 deg
peri 156.7955085640173 0.00044587 deg
i .9512540670686128 8.8608e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5552 days (15.20 yr)  
   first obs. used      2004-09-06  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57103  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:59:50  

Additional Information
 Jupiter MOID = 2.56777 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.579506534757545E-15 -2.222823945350005E-14 -3.1889963113185E-12 -4.588397839222427E-14 -1.357511678255504E-12 -1.32966700712173E-15
q -2.222823945350005E-14 5.17174126238033E-14 7.440190184202001E-12 1.060901550840784E-13 3.169838488521518E-12 3.149847539361855E-15
tp -3.1889963113185E-12 7.440190184202001E-12 5.730708465991337E-9 7.420546065827139E-11 2.001023105895317E-9 1.453175916115157E-13
node -4.588397839222427E-14 1.060901550840784E-13 7.420546065827139E-11 1.981107975533037E-7 -1.980580012717489E-7 -1.071695686117296E-9
peri -1.357511678255504E-12 3.169838488521518E-12 2.001023105895317E-9 -1.980580012717489E-7 1.987966074731099E-7 1.07164405518071E-9
i -1.32966700712173E-15 3.149847539361855E-15 1.453175916115157E-13 -1.071695686117296E-9 1.07164405518071E-9 7.851340856375168E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO503581  

447038 (2004 RF25)          Discovered 2004-Sep-06 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2015-10-28

Alternate Designations
 2004 RF25 = 2008 WR10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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