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JPL Small-Body Database Browser
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193 Ambrosia
Classification: Main-belt Asteroid          SPK-ID: 2000193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2965189504990579 4.423e-08  
a 2.603086659355976 7.943e-09 au
q 1.831222135065644 1.1323e-07 au
i 11.98025926374888 4.6167e-06 deg
node 349.644021851914 2.3452e-05 deg
peri 82.1187872862811 2.4454e-05 deg
M 205.5823326122513 6.8391e-06 deg
tp 2459258.499939296111
(2021-Feb-12.99993930)
2.9813e-05 TDB
period 1534.021217609675
4.20
7.0213e-06
1.922e-08
d
yr
n .2346773277106003 1.0741e-09 deg/d
Q 3.374951183646309 1.0298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1788  
   data-arc span      37867 days (103.67 yr)  
   first obs. used      1915-09-10  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42263  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:04:29  

Additional Information
 Earth MOID = .889542 au 
 Jupiter MOID = 2.1286 au 
 T_jup = 3.320 
[ 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 9.68   n/a PDS3 (MPC 17258)  
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. 2019-January); 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.]
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          Discovered 1879-Feb-28 by Coggia, J. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A915 RB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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