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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0964492107288541 3.7937e-08  
a 2.707080491626799 1.3485e-08 au
q 2.445984714829915 1.0468e-07 au
i 4.166210699009143 4.1805e-06 deg
node 55.3702617849779 5.9845e-05 deg
peri 314.5408088811229 6.6433e-05 deg
M 332.259101910605 2.5773e-05 deg
tp 2459125.862659462238
(2020-Oct-03.36265946)
0.00011631 TDB
period 1626.859997862086
4.45
1.2156e-05
3.328e-08
d
yr
n .2212851754134274 1.6535e-09 deg/d
Q 2.968176268423682 1.4786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      9007 days (24.66 yr)  
   first obs. used      1996-03-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50475  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:34  

Additional Information
 Earth MOID = 1.44789 au 
 Jupiter MOID = 2.49694 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 17 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:36 2020-Dec-17 22:06
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 17 CATAB v2.0f-lin.ifort 2020-Dec-17 22:06:36 2020-Dec-17 22:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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