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2134 Dennispalm (1976 YB)
Classification: Main-belt Asteroid          SPK-ID: 2002134
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559640318315254 4.3897e-08  
a 2.63597450130059 1.0015e-08 au
q 1.961259840142597 1.1694e-07 au
i 31.360770068874 7.8283e-06 deg
node 11.600530401831 6.6503e-06 deg
peri 120.1449479304726 1.4614e-05 deg
M 31.58985006871303 1.0562e-05 deg
tp 2458863.331213023499
(2020-Jan-14.83121302)
4.5927e-05 TDB
period 1563.184478689494
4.28
8.9085e-06
2.439e-08
d
yr
n .230299113705254 1.3125e-09 deg/d
Q 3.310689162458584 1.2578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      23445 days (64.19 yr)  
   first obs. used      1956-04-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:41:25  

Additional Information
 Earth MOID = 1.08804 au 
 Jupiter MOID = 1.99551 au 
 T_jup = 3.149 
[ 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 13.2   n/a MPO416730  
diameter diameter 6.007 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.114 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2003) Minor Planet Bull. 30, 46-48.]
[Pray, D.P. (2004) Minor Planet Bull. 31, 6-8.]
geometric albedo albedo 0.339   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.936   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=28.88, mean=28.92, max.=28.97) deg.
Tholen spectral type spec_T DSU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 1 color indices

2134 Dennispalm (1976 YB)          Discovered 1976-Dec-24 by Kowal, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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