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2926 Caldeira (1980 KG)
Classification: Main-belt Asteroid          SPK-ID: 2002926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183257747683259 3.0412e-08  
a 2.274977850582216 6.6848e-09 au
q 2.005789333831294 6.8872e-08 au
i 3.480960278924443 3.6684e-06 deg
node 220.9714316168591 5.3075e-05 deg
peri 35.43801618249807 5.5746e-05 deg
M 223.5951733410224 1.9082e-05 deg
tp 2459475.388248936331
(2021-Sep-17.88824894)
6.7236e-05 TDB
period 1253.32639470663
3.43
5.5242e-06
1.512e-08
d
yr
n .2872356327293868 1.266e-09 deg/d
Q 2.544166367333137 7.4758e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2515  
   data-arc span      28523 days (78.09 yr)  
   first obs. used      1942-03-20  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:47:12  

Additional Information
 Earth MOID = .99217 au 
 Jupiter MOID = 2.49103 au 
 T_jup = 3.598 
[ 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 13.3   n/a MPO452203  
diameter diameter 5.144 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2926 Caldeira (1980 KG)          Discovered 1980-May-22 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 KG = 1942 FL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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