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 ]  
100573 (1997 HR2)
Classification: Main-belt Asteroid          SPK-ID: 2100573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342721407032051 3.7081e-08  
a 2.398294288387701 7.7187e-09 au
q 1.836440751410844 8.8555e-08 au
i 3.067625386414028 4.3275e-06 deg
node 130.4503420961528 0.00010378 deg
peri 172.2260748161063 0.00010466 deg
M 80.3085274295065 1.4033e-05 deg
tp 2458897.870473439300
(2020-Feb-18.37047344)
5.2351e-05 TDB
period 1356.601011735442
3.71
6.5491e-06
1.793e-08
d
yr
n .2653691077079968 1.2811e-09 deg/d
Q 2.960147825364557 9.5269e-09 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      8657 days (23.70 yr)  
   first obs. used      1997-04-29  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:57  

Additional Information
 Earth MOID = .819162 au 
 Jupiter MOID = 2.28482 au 
 T_jup = 3.488 
[ 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 16.88   n/a E2021B55  

100573 (1997 HR2)          Discovered 1997-Apr-29 by Spacewatch at Kitt Peak
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 2021-Feb-28 16:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin