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 ]  
4852 Pamjones (1977 JD)
Classification: Main-belt Asteroid          SPK-ID: 2004852
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028326341693278 1.7192e-08  
a 2.303549211033509 6.3687e-09 au
q 2.066669177724256 3.8966e-08 au
i 6.77435455823648 7.0332e-07 deg
node 43.06594309969343 1.0447e-05 deg
peri 232.0268750741058 1.0512e-05 deg
M 118.9298210217167 6.9206e-06 deg
tp 2458778.625832386695
(2019-Oct-22.12583239)
2.4238e-05 TDB
period 1277.011089700181
3.50
5.2959e-06
1.45e-08
d
yr
n .2819082801266209 1.1691e-09 deg/d
Q 2.540429244342761 7.0236e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2588  
   data-arc span      24187 days (66.22 yr)  
   first obs. used      1954-12-30  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:54:00  

Additional Information
 Earth MOID = 1.05683 au 
 Jupiter MOID = 2.5417 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.88   n/a MPCxxxxx  
rotation period rot_per 9.715 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

4852 Pamjones (1977 JD)          Discovered 1977-May-15 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 JD = 1978 TU2 = 1980 BE1 = 1980 DZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-12 18:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin