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514 Armida (A903 QC)
Classification: Main-belt Asteroid          SPK-ID: 2000514
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 96 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03735929678792491 1.4809e-08  
a 3.045381809740494 7.9729e-09 au
q 2.931608486877851 4.599e-08 au
i 3.881668947492066 3.2497e-07 deg
node 268.53713768334 5.4059e-06 deg
peri 110.2396737784597 2.8025e-05 deg
M 345.8986574604785 2.4925e-05 deg
tp 2459276.535956297169
(2021-Mar-03.03595630)
0.00013433 TDB
period 1941.158736500676
5.31
7.623e-06
2.087e-08
d
yr
n .185456239734918 7.2829e-10 deg/d
Q 3.159155132603137 8.2707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3702  
   data-arc span      42907 days (117.47 yr)  
   first obs. used      1903-08-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:00:08  

Additional Information
 Earth MOID = 1.93472 au 
 Jupiter MOID = 2.04931 au 
 T_jup = 3.234 
[ 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 9.17   n/a E2021B10 IRAS observations used: 15
diameter diameter 120.093 km 0.790 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 21.851 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Koff, R.A. (2006) Minor Planet Bull. 33, 31-33.]
[Stephens, R.D. (2010) Minor Planet Bull. 37, 28-29.]
geometric albedo albedo 0.030   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.675   0.062 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=2.31, mean=5.06, max.=7.81) deg.
U-B UB 0.255   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=2.31, mean=5.06, max.=7.81) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

514 Armida (A903 QC)          Discovered 1903-Aug-24 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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