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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 
[ 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 15.5   n/a MPO400733  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1916-Dec-19 14:38 00:10 Iris 0.0482362105057713 0.0482221018967906 0.0482503225205279 3.27157875543359 3.27157871900499 2421217.110000804 9.70253417078929 950.588802944284 40.3147940507583 42.3448878213501 120598.723633189 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:16 2021-Feb-24 07:15
2055-Oct-17 19:22 00:11 Amphi 0.0483179658921536 0.0483161990442759 0.0483197347708276 1.94470189373459 1.94470183255432 2471923.306988834 11.0571162083218 565.879778753169 41.5052024634064 -82.0944544600625 172135.94957747 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:16 2021-Feb-24 07:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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