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193 Ambrosia (A879 DB)
Classification: Main-belt Asteroid          SPK-ID: 2000193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2972099025682944 2.0758e-08  
a 2.599613696039752 5.2902e-09 au
q 1.826982762724574 5.4798e-08 au
i 11.99402370123417 4.586e-07 deg
node 349.5129803609461 4.4404e-06 deg
peri 82.52494507212394 6.1526e-06 deg
M 346.2650881186655 3.7488e-06 deg
tp 2459258.909707059941
(2021-Feb-13.40970706)
1.6019e-05 TDB
period 1530.952271354197
4.19
4.6732e-06
1.279e-08
d
yr
n .2351477617793817 7.1779e-10 deg/d
Q 3.37224462935493 6.8625e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3511  
   data-arc span      38546 days (105.53 yr)  
   first obs. used      1915-09-10  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:00:42  

Additional Information
 Earth MOID = .885396 au 
 Jupiter MOID = 2.13014 au 
 T_jup = 3.322 
[ 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 9.83   n/a MPCxxxxx  
diameter diameter 26.302 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.581 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[De Young, J.A.; Schmidt, R.E. (1996) Minor Planet Bull. 23, 42.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2009) Minor Planet Bull. 36, 172-176.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.343   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.811   0.015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.68, mean=4.80, max.=4.92) deg.
U-B UB 0.306   0.018 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.68, mean=4.80, max.=4.92) deg.
SMASSII spectral type spec_B Sk   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)

193 Ambrosia (A879 DB)          Discovered 1879-Feb-28 by Coggia, J. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A879 DB = A915 RB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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