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 ]  
277791 (2006 EM12)
Classification: Main-belt Asteroid          SPK-ID: 2277791
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1191271651298856 7.0837e-08  
a 2.730812871051811 3.0464e-08 au
q 2.405498875223205 1.9703e-07 au
i 14.3633986633504 7.2755e-06 deg
node 173.2570864711316 2.1274e-05 deg
peri 202.4968652813042 2.9375e-05 deg
M 206.9768896547708 1.953e-05 deg
tp 2459701.133442245076
(2022-May-01.63344224)
9.1662e-05 TDB
period 1648.300303393299
4.51
2.7582e-05
7.552e-08
d
yr
n .2184068032135167 3.6547e-09 deg/d
Q 3.056126866880417 3.4093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6123 days (16.76 yr)  
   first obs. used      2003-07-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:29:35  

Additional Information
 Earth MOID = 1.41045 au 
 Jupiter MOID = 2.4138 au 
 T_jup = 3.299 
[ 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 16.5   n/a MPO423067  
diameter diameter 3.553 km 0.824 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277791 (2006 EM12)          Discovered 2006-Mar-02 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ 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
1995-Jan-09 07:45 00:01 Amphi 0.0381727554286518 0.0381708628322836 0.0381746490941334 7.0663564489563 7.06635642764431 2449726.822571962 1.20276718730811 418.828299934615 59.0002416951992 79.7653729026571 95262.2849345789 T 16 CATAB v2.0f-lin.ifort 2020-May-21 16:29:49 2020-May-21 16:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 17:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin