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JPL Small-Body Database Browser
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2139 Makharadze (1970 MC)
Classification: Main-belt Asteroid          SPK-ID: 2002139
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881675161082363 3.3036e-08  
a 2.461005076998297 8.7921e-09 au
q 1.997923864529769 8.0907e-08 au
i 2.180650103706523 3.3886e-06 deg
node 256.1676626046949 9.9588e-05 deg
peri 67.4905226689732 0.0001002 deg
M 207.9779316399334 1.421e-05 deg
tp 2459195.985687487406
(2020-Dec-12.48568749)
5.7773e-05 TDB
period 1410.156103044961
3.86
7.5568e-06
2.069e-08
d
yr
n .2552908853301058 1.3681e-09 deg/d
Q 2.924086289466826 1.0447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2791  
   data-arc span      34580 days (94.67 yr)  
   first obs. used      1924-09-05  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43567  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:30:54  

Additional Information
 Earth MOID = .986015 au 
 Jupiter MOID = 2.40007 au 
 T_jup = 3.464 
[ 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 12.9   n/a MPO473793  
diameter diameter 17.240 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.9759 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pray, D.P.; Galad, A.; Gajdos, S.; Kornos, L.; et al. (2006) Minor Planet Bull. 33, 26.]
geometric albedo albedo 0.045   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.653   0.053 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.52, mean=4.79, max.=5.06) deg.
U-B UB 0.231   0.080 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.52, mean=4.79, max.=5.06) deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

2139 Makharadze (1970 MC)          Discovered 1970-Jun-30 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1970 MC = 1928 TF = 1955 SS1 = 1955 UA1 = 1970 PJ = 1974 QN = 1977 ER1 = A924 RB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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