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JPL Small-Body Database Browser
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2000 Herschel (1960 OA)
Classification: Main-belt Asteroid          SPK-ID: 2002000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2978896793964135 3.4812e-08  
a 2.379615163589833 7.1822e-09 au
q 1.670752365421214 8.4548e-08 au
i 22.81928830007957 4.8805e-06 deg
node 291.923969566444 1.3164e-05 deg
peri 130.511021540308 1.6395e-05 deg
M 293.6934433568393 8.3591e-06 deg
tp 2458847.451968798397
(2019-Dec-29.95196880)
3.1099e-05 TDB
period 1340.78307286966
3.67
6.0702e-06
1.662e-08
d
yr
n .26849980976378 1.2156e-09 deg/d
Q 3.088477961758453 9.3217e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1826  
   data-arc span      31194 days (85.40 yr)  
   first obs. used      1934-07-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:09:00  

Additional Information
 Earth MOID = .752194 au 
 Jupiter MOID = 2.36548 au 
 T_jup = 3.377 
[ 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 11.25   n/a PDS3 (MPC 17264)  
diameter diameter 14.768 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 130. h n/a LCDB (Rev. 2019-January); 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 Bull. 38, 96-101.]
geometric albedo albedo 0.277   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
B-V BV 0.893   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=21.55, mean=24.12, max.=26.77) deg.
U-B UB 0.494   0.071 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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