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JPL Small-Body Database Browser
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143 Adria
Classification: Main-belt Asteroid          SPK-ID: 2000143
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07440608154508541 3.2748e-08  
a 2.760357227292375 9.1717e-09 au
q 2.554969862344893 8.9039e-08 au
i 11.44456927659202 3.7678e-06 deg
node 332.98383503871 1.7308e-05 deg
peri 252.3961040253357 3.1216e-05 deg
M 81.08206612046206 2.7123e-05 deg
tp 2458223.215757730093
(2018-Apr-14.71575773)		 0.00012587 TDB
period 1675.12168492818
4.59		 8.3488e-06
2.286e-08		 d
yr
n .2149097604305891 1.0711e-09 deg/d
Q 2.965744592239857 9.8541e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2594  
   data-arc span      50966 days (139.54 yr)  
   first obs. used      1880-04-13  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:49:57  

Additional Information
 Earth MOID = 1.57591 au 
 Jupiter MOID = 2.10465 au 
 T_jup = 3.309 
[ 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 9.12   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23
diameter diameter 95.377 km 0.698 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 22.005 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.]
[Pilcher, F. (2008) Minor Planet Bull. 35, 135-138.]
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.738   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.57, mean=3.79, max.=4.01) deg.
U-B UB 0.336   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.57, mean=3.79, max.=4.01) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

143 Adria          Discovered 1875-Feb-23 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1960 WK1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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