Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
2000 Herschel (1960 OA)
Classification: Main-belt Asteroid          SPK-ID: 2002000
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971625190918093 3.8974e-08  
a 2.38073927433845 1.0486e-08 AU
q 1.67327279427523 9.3391e-08 AU
i 22.7974083637579 7.726e-06 deg
node 292.0635862998376 1.5137e-05 deg
peri 130.1949603277979 2.0768e-05 deg
M 224.6511334412363 1.2468e-05 deg
tp 2457504.950206316410
(2016-Apr-26.45020632)
4.7408e-05 JED
period 1341.733247504237
3.67
8.8646e-06
2.427e-08
d
yr
n .2683096663734296 1.7727e-09 deg/d
Q 3.088205754401669 1.3602e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      29540 days (80.88 yr)  
   first obs. used      1934-07-12  
   last obs. used      2015-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44416  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:37:25  

Additional Information
 Earth MOID = .755051 AU 
 T_jup = 3.376 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.25 mag n/a PDS3 (MPC 17264)  
rotation period rot_per 130. h n/a LCDB (Rev. 2015-May); 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:
[Warner, B.D. (2011) Minor Planet Bul. 38, 96-101.]
B-V BV .893 mag .028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=21.55, mean=24.12, max.=26.77) deg.
U-B UB .494 mag .071 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=21.55, mean=23.24, max.=26.57) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

2000 Herschel (1960 OA)          Discovered 1960-Jul-29 by Schubart, J. at Sonneberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1960 OA = 1934 NX 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-02 23:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin