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78469 (2002 RN44)
Classification: Main-belt Asteroid          SPK-ID: 2078469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09633954391492791 3.7793e-08  
a 2.70669671700419 1.3155e-08 au
q 2.445934789771973 1.0409e-07 au
i 4.166288495846533 4.1434e-06 deg
node 55.36761369738404 5.7372e-05 deg
peri 314.6342375135399 6.4112e-05 deg
M 16.44481598207766 2.5314e-05 deg
tp 2459126.200765641054
(2020-Oct-03.70076564)
0.00011448 TDB
period 1626.514057583348
4.45
1.1858e-05
3.247e-08
d
yr
n .2213322401497611 1.6136e-09 deg/d
Q 2.967458644236406 1.4422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      9057 days (24.80 yr)  
   first obs. used      1996-03-20  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:15  

Additional Information
 Earth MOID = 1.44635 au 
 Jupiter MOID = 2.49873 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09903081261176963 3.7959e-08  
q 2.439015743860929 1.0495e-07 au
tp 2457498.412115523817
(2016-Apr-19.91211552)
0.00011293 TDB
node 55.4135484137577 5.7265e-05 deg
peri 314.5180832869275 6.3594e-05 deg
i 4.171482400498636 4.147e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      9057 days (24.80 yr)  
   first obs. used      1996-03-20  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:15  

Additional Information
 Jupiter MOID = 2.49873 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.440866205827569E-15 -3.958302576139634E-15 2.830918251251559E-13 -1.182120386223403E-14 9.368735331085371E-14 -1.501700481811081E-15
q -3.958302576139634E-15 1.10137405303968E-14 -1.174759949032153E-12 3.169073917325974E-14 -3.547151812768559E-13 4.196735872762992E-15
tp 2.830918251251559E-13 -1.174759949032153E-12 1.275342808623737E-8 -1.967254935124077E-11 3.140845367842688E-9 1.485344866124522E-12
node -1.182120386223403E-14 3.169073917325974E-14 -1.967254935124077E-11 3.279324270703083E-9 -3.275206626707175E-9 -1.01581318743771E-11
peri 9.368735331085371E-14 -3.547151812768559E-13 3.140845367842688E-9 -3.275206626707175E-9 4.044196642651594E-9 1.04903132780096E-11
i -1.501700481811081E-15 4.196735872762992E-15 1.485344866124522E-12 -1.01581318743771E-11 1.04903132780096E-11 1.719764441024417E-11

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 15.5   n/a MPO400733  

78469 (2002 RN44)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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