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 ]  
48772 (1997 MR9)
Classification: Main-belt Asteroid          SPK-ID: 2048772
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217685748114697 4.2291e-08  
a 2.742716163204761 1.207e-08 au
q 2.408739524898935 1.1442e-07 au
i 12.08490976545073 4.9296e-06 deg
node 179.4455476952764 1.5031e-05 deg
peri 47.83664722026279 2.5421e-05 deg
M 80.98674050782506 1.8761e-05 deg
tp 2458627.266046513024
(2019-May-23.76604651)
8.6394e-05 TDB
period 1659.089159691875
4.54
1.0952e-05
2.998e-08
d
yr
n .2169865301674679 1.4324e-09 deg/d
Q 3.076692801510587 1.354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1158  
   data-arc span      9917 days (27.15 yr)  
   first obs. used      1993-09-16  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:50:00  

Additional Information
 Earth MOID = 1.41923 au 
 Jupiter MOID = 1.9325 au 
 T_jup = 3.306 
[ 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 14.8   n/a MPO299292  
diameter diameter 3.111 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

48772 (1997 MR9)          Discovered 1997-Jun-27 by Spacewatch at Kitt Peak
Reference: 20021120/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
1917-Jan-22 16:53 00:02 Jupiter 1.95423162091378 1.95423094928146 1.95423229254855 3.53980969508466 3.41517097306986 2421251.203611434 1.79295590219053 149.243784426676 20.3040877707625 78.7953390372666 2825858.54800066 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 03:50:02 2020-Dec-18 03:50
1975-Nov-22 02:53 < 00:01 Jupiter 1.9246624338786 1.92466198688065 1.92466288087645 3.83913328838806 3.72273644861563 2442738.619927426 0.710703061243639 80.206447808193 19.5160900028499 89.6055978094135 2829190.67101151 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 03:50:02 2020-Dec-18 03:50
2034-Sep-23 15:04 < 00:01 Jupiter 1.9696349031853 1.96963438410662 1.96963542226398 4.11794084617098 4.01215105390968 2464229.127454278 0.384757267072742 48.5156155516543 20.0171675840036 -74.2829345254147 2849125.51844525 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 03:50:02 2020-Dec-18 03:50
2130-Jun-16 17:32 00:02 Jupiter 1.94025091594179 1.94025043478136 1.94025139710387 3.55412927716843 3.42910028378691 2499193.230575598 2.12322347143477 190.861331149338 18.3931994431452 84.5923065328705 2603861.07988119 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 03:50:02 2020-Dec-18 03:50
2189-Apr-18 01:08 00:03 Jupiter 1.9352338241382 1.9352331791525 1.93523446913391 3.89702819499274 3.78304891101533 2520683.547138637 3.13182834107346 310.253978655583 19.1360674658485 -86.9725376801583 2716044.38341044 T 25 CATAB v2.0f-lin.ifort 2020-Dec-18 03:50:02 2020-Dec-18 03:50

Alternate Designations
 1997 MR9 = 2000 AC194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 17:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin