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 ]  
85029 (2755 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085029
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427117194169072 5.2054e-08  
a 3.229513087259083 2.3781e-08 au
q 2.768623721696935 1.7322e-07 au
i 5.455674405749136 5.5009e-06 deg
node 29.50719928455861 5.4265e-05 deg
peri 342.5989593238218 5.6679e-05 deg
M 79.43193675475715 1.7383e-05 deg
tp 2458532.768465335634
(2019-Feb-18.26846534)
0.00010067 TDB
period 2119.844477656996
5.80
2.3414e-05
6.41e-08
d
yr
n .1698237789584912 1.8758e-09 deg/d
Q 3.690402452821231 2.7174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      21651 days (59.28 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 13:17:42  

Additional Information
 Earth MOID = 1.76965 au 
 Jupiter MOID = 1.7728 au 
 T_jup = 3.164 
[ 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 MPO333523  

85029 (2755 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2755 P-L = 2001 ST61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-02 21:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin