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2279 Barto (1968 DL)
Classification: Main-belt Asteroid          SPK-ID: 2002279
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574980744153529 2.7345e-08  
a 2.458168397141543 7.9352e-09 au
q 2.071011608003075 6.7579e-08 au
i 2.98460232172163 3.7209e-06 deg
node 139.9138104942663 5.6325e-05 deg
peri 61.95842568344741 5.7726e-05 deg
M 175.5504833349886 1.3683e-05 deg
tp 2458314.039737463674
(2018-Jul-14.53973746)
5.2486e-05 TDB
period 1407.718679085079
3.85
6.8164e-06
1.866e-08
d
yr
n .2557329140748317 1.2383e-09 deg/d
Q 2.84532518628001 9.185e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2692  
   data-arc span      24158 days (66.14 yr)  
   first obs. used      1954-09-04  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:11:01  

Additional Information
 Earth MOID = 1.0701 au 
 Jupiter MOID = 2.11299 au 
 T_jup = 3.472 
[ 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 13.1   n/a MPO492777 IRAS observations used: 5
diameter diameter 14.408 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.63 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Ditteon, R. (2019) Minor Planet Bull. 46, 127-129.]
geometric albedo albedo 0.065   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.618   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.14 deg.
U-B UB 0.218   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.14 deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

2279 Barto (1968 DL)          Discovered 1968-Feb-25 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1968 DL = 1949 KA1 = 1969 QS = 1976 JJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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