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 ]  
316042 Tilofranz (2009 HP2)
Classification: Main-belt Asteroid          SPK-ID: 2316042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635648151531519 4.8868e-08  
a 2.359498960573904 1.7164e-08 au
q 1.973567949233579 1.0692e-07 au
i 5.811815474070975 4.334e-06 deg
node 97.79422788625619 4.4311e-05 deg
peri 88.0963897530431 4.9374e-05 deg
M 89.88517583997229 1.6953e-05 deg
tp 2458869.967868696775
(2020-Jan-21.46786870)
6.2249e-05 TDB
period 1323.81748333016
3.62
1.4445e-05
3.955e-08
d
yr
n .2719408109752362 2.9674e-09 deg/d
Q 2.745429971914228 1.9972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6597 days (18.06 yr)  
   first obs. used      2002-06-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:44:41  

Additional Information
 Earth MOID = .984867 au 
 Jupiter MOID = 2.22835 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458088.5 (2017-Dec-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637743226304996 4.886e-08  
q 1.972147053926244 1.0692e-07 au
tp 2457546.119926112651
(2016-Jun-06.61992611)
6.3655e-05 TDB
node 97.8022951690138 4.4314e-05 deg
peri 87.84251343792788 4.937e-05 deg
i 5.812290165830664 4.3348e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6597 days (18.06 yr)  
   first obs. used      2002-06-02  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:44:41  

Additional Information
 Jupiter MOID = 2.22835 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.387330479377592E-15 -5.195533190493017E-15 -2.177055441353601E-13 -7.176735136663432E-15 -2.690377076313866E-14 -7.949633459838359E-15
q -5.195533190493017E-15 1.143232426664218E-14 3.172883762061825E-13 1.769472352018067E-14 2.309685260549263E-14 1.741510708437744E-14
tp -2.177055441353601E-13 3.172883762061825E-13 4.051947964409931E-9 -7.15921368190531E-11 1.396919129115245E-9 -1.514465694250482E-12
node -7.176735136663432E-15 1.769472352018067E-14 -7.15921368190531E-11 1.963755906031313E-9 -1.977223583402285E-9 -2.556495040065506E-11
peri -2.690377076313866E-14 2.309685260549263E-14 1.396919129115245E-9 -1.977223583402285E-9 2.437414623390804E-9 2.484963660308576E-11
i -7.949633459838359E-15 1.741510708437744E-14 -1.514465694250482E-12 -2.556495040065506E-11 2.484963660308576E-11 1.879045214780572E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.85   n/a E2021B25  

316042 Tilofranz           Discovered 2009 Apr. 19 by E. Schwab at the Tzec Maun Observatory, Mayhill.
Tilo Franz Schwab (b. 2008) is the second-born son of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 2009 HP2 = 2007 TS344 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 22:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin