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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2558606991838601 6.1563e-09  
a 2.63565781194831 9.61e-09 au
q 1.961296561373812 1.4471e-08 au
i 31.36170890266149 1.1685e-06 deg
node 11.60051420505818 9.9424e-07 deg
peri 120.1322815691001 3.2572e-06 deg
M 77.67514538582826 3.3908e-06 deg
tp 2458863.281386477651
(2020-Jan-14.78138648)
1.3619e-05 TDB
period 1562.902782673064
4.28
8.5479e-06
2.34e-08
d
yr
n .2303406225845249 1.2598e-09 deg/d
Q 3.310019062522807 1.2069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2050  
   data-arc span      23476 days (64.27 yr)  
   first obs. used      1956-04-08  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:22:59  

Additional Information
 Earth MOID = 1.08783 au 
 Jupiter MOID = 1.99516 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 13.18   n/a E2021B10  
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. 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:
[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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