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 ]  
78197 (2002 NF44)
Classification: Main-belt Asteroid          SPK-ID: 2078197
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172328181623579 3.6048e-08  
a 2.561653191751188 1.4093e-08 au
q 2.261343368927597 8.9189e-08 au
i 2.13169837035057 4.9042e-06 deg
node 203.5165062170979 0.00010075 deg
peri 83.0532728668187 0.00010321 deg
M 133.4165590041614 2.1364e-05 deg
tp 2458445.508718854114
(2018-Nov-23.00871885)
8.9237e-05 TDB
period 1497.541704746613
4.10
1.2358e-05
3.383e-08
d
yr
n .2403939729083623 1.9838e-09 deg/d
Q 2.861963014574778 1.5746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      2000-01-06  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:31  

Additional Information
 Earth MOID = 1.24619 au 
 Jupiter MOID = 2.27079 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457040.5 (2015-Jan-18.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180089108925114 3.5724e-08  
q 2.259270969256324 8.8417e-08 au
tp 2456950.126059123609
(2014-Oct-19.62605912)
9.1219e-05 TDB
node 203.5294247790617 0.00010077 deg
peri 83.48683004436408 0.00010322 deg
i 2.130890189879849 4.9051e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      2000-01-06  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:31  

Additional Information
 Jupiter MOID = 2.27079 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.276223664989018E-15 -3.13009469460554E-15 -1.112772144453192E-12 1.159532788206611E-14 -3.010345672946244E-13 -1.047737466730607E-16
q -3.13009469460554E-15 7.817595603326113E-15 2.568123909911059E-12 -2.937281511626659E-14 7.029003535523157E-13 2.860868724197027E-16
tp -1.112772144453192E-12 2.568123909911059E-12 8.320954183293871E-9 -2.521904745595545E-11 2.052670080034485E-9 2.193613735491488E-12
node 1.159532788206611E-14 -2.937281511626659E-14 -2.521904745595545E-11 1.015402061413677E-8 -1.015294511682437E-8 1.088233486950605E-10
peri -3.010345672946244E-13 7.029003535523157E-13 2.052670080034485E-9 -1.015294511682437E-8 1.06550016202038E-8 -1.082220341445082E-10
i -1.047737466730607E-16 2.860868724197027E-16 2.193613735491488E-12 1.088233486950605E-10 -1.082220341445082E-10 2.405966728525189E-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 MPO302470  

78197 (2002 NF44)          Discovered 2002-Jul-12 by NEAT at Palomar
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-26 02:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin