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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
85546 (1997 XH1)
Classification: Mars-crossing Asteroid          SPK-ID: 2085546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3198470488492492 4.9189e-08  
a 2.372273397788373 7.7611e-09 au
q 1.613508752442181 1.1613e-07 au
i 3.047566404181776 5.0953e-06 deg
node 6.513443736994556 7.6232e-05 deg
peri 349.1214128664257 7.6672e-05 deg
M 7.796022480114807 8.6425e-06 deg
tp 2458571.598783918081
(2019-Mar-29.09878392)
3.1979e-05 TDB
period 1334.582835802414
3.65
6.5493e-06
1.793e-08
d
yr
n .2697472126438305 1.3238e-09 deg/d
Q 3.131038043134565 1.0244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      13555 days (37.11 yr)  
   first obs. used      1982-09-16  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:12:21  

Additional Information
 Earth MOID = .608356 au 
 Jupiter MOID = 2.31268 au 
 T_jup = 3.471 
[ 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 16.0   n/a MPO412682  

85546 (1997 XH1)          Discovered 1997-Dec-03 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 XH1 = 1982 SN9 = 1982 ST5 = 1993 TJ48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin