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 ]  
48161 (2001 HM3)
Classification: Main-belt Asteroid          SPK-ID: 2048161
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107218912815524 4.1229e-08  
a 2.394364795497319 1.0948e-08 au
q 2.137643605240332 1.0042e-07 au
i 7.473335249799324 4.7812e-06 deg
node 216.2030174344286 3.0978e-05 deg
peri 45.35999643997323 3.7671e-05 deg
M 24.64851317276991 2.3028e-05 deg
tp 2458907.844302230396
(2020-Feb-28.34430223)
8.636e-05 TDB
period 1353.268286945071
3.71
9.2814e-06
2.541e-08
d
yr
n .2660226382845934 1.8245e-09 deg/d
Q 2.651085985754305 1.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      8576 days (23.48 yr)  
   first obs. used      1995-12-27  
   last obs. used      2019-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:01:11  

Additional Information
 Earth MOID = 1.13023 au 
 Jupiter MOID = 2.39544 au 
 T_jup = 3.511 
[ 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 15.0   n/a MPO337642  

48161 (2001 HM3)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1951-Sep-24 06:52 < 00:01 David 0.0434291502760767 0.043421789353433 0.0434365112935542 6.7252239097452 6.72522385802086 2433913.786006534 0.679799881436475 380.693243277869 22.3558788954164 -15.4690278274158 79206.00952007 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 09:01:25 2020-Feb-23 09:01
2009-Nov-02 17:22 < 00:01 Thisb 0.0433617331874535 0.0433605901189174 0.0433628762569622 2.61062845778115 2.61062839754973 2455138.223287220 0.834366628068579 58.1482084669538 28.6422063389385 13.541670075712 120568.134389567 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 09:01:25 2020-Feb-23 09:01

Alternate Designations
 2001 HM3 = 1998 QD96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-28 10:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin