Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09907044635653667 3.8097e-08  
q 2.43891466010773 1.0553e-07 au
tp 2457498.515977137071
(2016-Apr-20.01597714)
0.00011439 TDB
node 55.41716083793015 5.9736e-05 deg
peri 314.5444080086976 6.593e-05 deg
i 4.171487616168839 4.184e-06 deg
  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
 Jupiter MOID = 2.49694 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.451361739213463E-15 -3.994363162600723E-15 2.251525924352067E-13 -1.619658710555214E-14 8.6278389971924E-14 -1.667658036061296E-15
q -3.994363162600723E-15 1.113709732041582E-14 -9.765666625418108E-13 4.41587877733017E-14 -3.267424630507537E-13 4.679577135351704E-15
tp 2.251525924352067E-13 -9.765666625418108E-13 1.308433373545848E-8 -2.195975660607235E-11 3.210671243394204E-9 1.565751291984308E-12
node -1.619658710555214E-14 4.41587877733017E-14 -2.195975660607235E-11 3.568361045231285E-9 -3.564114762912948E-9 -8.182169529730795E-13
peri 8.6278389971924E-14 -3.267424630507537E-13 3.210671243394204E-9 -3.564114762912948E-9 4.346753437500684E-9 1.186416112616527E-12
i -1.667658036061296E-15 4.679577135351704E-15 1.565751291984308E-12 -8.182169529730795E-13 1.186416112616527E-12 1.750546455386295E-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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-22 21:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin