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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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07440608249974205 3.2626e-08  
a 2.76035722697282 9.1346e-09 au
q 2.554969859413921 8.8627e-08 au
i 11.44456921648253 3.7614e-06 deg
node 332.9838355459904 1.7216e-05 deg
peri 252.396103913422 3.1139e-05 deg
M 81.08206594093839 2.7116e-05 deg
tp 2458223.215758630952
(2018-Apr-14.71575863)		 0.00012584 TDB
period 1675.121684637297
4.59		 8.315e-06
2.277e-08		 d
yr
n .2149097604679079 1.0668e-09 deg/d
Q 2.965744594531719 9.8142e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2647  
   data-arc span      50996 days (139.62 yr)  
   first obs. used      1880-04-13  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42537  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:02:34  

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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