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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
30727 (1979 MC9)
Classification: Main-belt Asteroid          SPK-ID: 2030727
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788048357244745 3.7014e-08  
a 2.354853185355214 9.7456e-09 au
q 1.933794048392519 8.4975e-08 au
i 2.190500228057553 5.9018e-06 deg
node 187.2328326442115 0.0001042 deg
peri 78.06107558234855 0.00010595 deg
M 245.4927475628749 2.1764e-05 deg
tp 2459816.331165022158
(2022-Aug-24.83116502)
8.1127e-05 TDB
period 1319.909579447522
3.61
8.1937e-06
2.243e-08
d
yr
n .2727459559394109 1.6932e-09 deg/d
Q 2.775912322317908 1.1488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      15097 days (41.33 yr)  
   first obs. used      1979-06-23  
   last obs. used      2020-10-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:30  

Additional Information
 Earth MOID = .919443 au 
 Jupiter MOID = 2.30238 au 
 T_jup = 3.532 
[ 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 16.6   n/a MPO435976  

30727 (1979 MC9)          Discovered 1979-Jun-25 by Helin, E. F., Bus, S. J. at Siding Spring
Reference: 20011130/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
1916-Feb-29 22:51 00:06 Psych 0.0368664642726778 0.0368583355719581 0.0368745941489702 3.32458341039261 3.32458331167731 2420923.452335982 6.28906643984644 524.032988377768 70.8179380501144 39.8693798227197 50504.9516197841 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 06:39:31 2021-Apr-13 06:39
2032-Jan-07 18:35 00:01 Europ 0.0237160987064063 0.0237151465371768 0.0237170508767276 3.51180621002092 3.51180608240704 2463239.274231900 1.37683860810778 122.752528354376 47.3225156247771 88.3012736238548 74877.275735194 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 06:39:31 2021-Apr-13 06:39

Alternate Designations
 1979 MC9 = 1995 YU11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 23:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin