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 ]  
4777 Aksenov (1976 SM2)
Classification: Main-belt Asteroid          SPK-ID: 2004777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302702700939314 3.4144e-08  
a 2.17460062438663 5.8776e-09 au
q 1.891314813701352 7.3591e-08 au
i 1.325251224092356 3.6063e-06 deg
node 194.8598536601958 0.00014819 deg
peri 168.3640452093663 0.00014907 deg
M 222.4306559471344 1.8712e-05 deg
tp 2459448.096678632287
(2021-Aug-21.59667863)
6.1775e-05 TDB
period 1171.298776024562
3.21
4.7487e-06
1.3e-08
d
yr
n .3073511279691212 1.2461e-09 deg/d
Q 2.457886435071908 6.6432e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2277  
   data-arc span      15921 days (43.59 yr)  
   first obs. used      1976-09-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:12:32  

Additional Information
 Earth MOID = .888768 au 
 Jupiter MOID = 2.9885 au 
 T_jup = 3.674 
[ 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 14.1   n/a MPO358676  
diameter diameter 3.861 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.298   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4777 Aksenov (1976 SM2)          Discovered 1976-Sep-24 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1956-Oct-13 07:18 < 00:01 Vesta 0.0282229779072988 0.028218993691702 0.0282269625908585 4.0523297495098 4.05232870914169 2435759.804042477 0.398615744091481 268.987895227279 28.9137380401919 -42.9789068158282 99792.4231598854 T 25 CATAB v2.0f-lin.ifort 2020-May-20 02:12:43 2020-May-20 02:12

Alternate Designations
 1976 SM2 = 1979 OQ15 = 1989 UX2 = 2010 KR130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 22:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin