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 ]  
100850 (1998 HV31)
Classification: Main-belt Asteroid          SPK-ID: 2100850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700367825185191 8.5912e-08  
a 2.316612178402149 9.7546e-09 au
q 1.92270289724343 2.0227e-07 au
i 24.94637655882161 9.0373e-06 deg
node 220.1444943559745 1.0932e-05 deg
peri 349.0394981205775 2.0434e-05 deg
M 103.6581834621273 1.5108e-05 deg
tp 2458629.666019709306
(2019-May-26.16601971)
5.3275e-05 TDB
period 1287.888987109499
3.53
8.1344e-06
2.227e-08
d
yr
n .2795271980762671 1.7655e-09 deg/d
Q 2.710521459560868 1.1413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      8136 days (22.28 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:26  

Additional Information
 Earth MOID = .918966 au 
 Jupiter MOID = 2.2744 au 
 T_jup = 3.438 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456797.5 (2014-May-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700194733339722 8.5916e-08  
q 1.922464375124851 2.0209e-07 au
tp 2457341.230629451554
(2015-Nov-14.73062945)
5.1284e-05 TDB
node 220.2077564191063 1.0933e-05 deg
peri 348.9857677514929 2.0429e-05 deg
i 24.95151459569013 9.0375e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      8136 days (22.28 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:26  

Additional Information
 Jupiter MOID = 2.2744 au 
 T_jup = 3.438 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.381529599229647E-15 -1.735126011092998E-14 -5.312011073270983E-13 4.120971083434486E-14 -1.117047818357185E-14 -3.067045531675757E-14
q -1.735126011092998E-14 4.08415084133303E-14 1.300798193009127E-12 -9.665161667359492E-14 3.307470645743613E-14 7.291537843795892E-14
tp -5.312011073270983E-13 1.300798193009127E-12 2.630018518750292E-9 -1.138615900911644E-11 8.857542660541061E-10 1.629462321277463E-11
node 4.120971083434486E-14 -9.665161667359492E-14 -1.138615900911644E-11 1.195297356988589E-10 -1.102672444409563E-10 -2.896114909761721E-11
peri -1.117047818357185E-14 3.307470645743613E-14 8.857542660541061E-10 -1.102672444409563E-10 4.173297035441229E-10 3.106025724520534E-11
i -3.067045531675757E-14 7.291537843795892E-14 1.629462321277463E-11 -2.896114909761721E-11 3.106025724520534E-11 8.16769389194848E-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 15.6   n/a MPO474883  

100850 (1998 HV31)          Discovered 1998-Apr-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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 2020-Sep-29 14:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin