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143 Adria (A875 DA)
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07390781903504597 2.0177e-08  
a 2.761145341311703 7.5479e-09 au
q 2.557075111096578 5.3108e-08 au
i 11.44420644962342 8.9239e-07 deg
node 332.9767249267711 5.1617e-06 deg
peri 252.3153656487141 1.335e-05 deg
M 210.1307134786745 1.7318e-05 deg
tp 2459898.157821276193
(2022-Nov-14.65782128)
8.2407e-05 TDB
period 1675.839136150763
4.59
6.8716e-06
1.881e-08
d
yr
n .2148177544217546 8.8084e-10 deg/d
Q 2.965215571526829 8.1058e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3412  
   data-arc span      51479 days (140.94 yr)  
   first obs. used      1880-04-13  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:55:17  

Additional Information
 Earth MOID = 1.57682 au 
 Jupiter MOID = 2.10231 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 9.16   n/a MPCxxxxx 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. 2020-October); 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 (A875 DA)          Discovered 1875-Feb-23 by Palisa, J. at Pola
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A875 DA = 1960 WK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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