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1595 Tanga (1930 ME)
Classification: Main-belt Asteroid          SPK-ID: 2001595
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115289237639591 3.2506e-08  
a 2.644535649085907 8.3043e-09 au
q 2.349593434287933 8.8805e-08 au
i 4.164438866347793 3.2784e-06 deg
node 112.1877019759552 4.8516e-05 deg
peri 190.4037356981223 5.1244e-05 deg
M 304.8635577780602 1.7262e-05 deg
tp 2459241.079602982952
(2021-Jan-26.57960298)
7.5472e-05 TDB
period 1570.806051018639
4.30
7.3989e-06
2.026e-08
d
yr
n .2291816992725147 1.0795e-09 deg/d
Q 2.939477863883881 9.2305e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3044  
   data-arc span      32987 days (90.31 yr)  
   first obs. used      1930-06-19  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:22  

Additional Information
 Earth MOID = 1.33431 au 
 Jupiter MOID = 2.25347 au 
 T_jup = 3.381 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456826.5 (2014-Jun-18.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099749849072837 3.2493e-08  
q 2.356322050370267 8.8508e-08 au
tp 2456093.189820643578
(2012-Jun-14.68982064)
7.574e-05 TDB
node 112.2180333575094 4.8443e-05 deg
peri 189.511758912511 5.1253e-05 deg
i 4.16535540268316 3.2805e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3044  
   data-arc span      32987 days (90.31 yr)  
   first obs. used      1930-06-19  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:22  

Additional Information
 Jupiter MOID = 2.25347 au 
 T_jup = 3.381 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.055811359707922E-15 -2.866836275407237E-15 -2.454080549825887E-13 -2.255596764139759E-15 -2.419821658410781E-14 -2.649966253377889E-16
q -2.866836275407237E-15 7.833607524032978E-15 6.380306599716445E-13 6.476405389156978E-15 6.378516306338983E-14 7.467410572363546E-16
tp -2.454080549825887E-13 6.380306599716445E-13 5.736485915066829E-9 4.915590549756079E-12 1.279938610685804E-9 1.829472323251429E-12
node -2.255596764139759E-15 6.476405389156978E-15 4.915590549756079E-12 2.346704356995166E-9 -2.339277182217791E-9 -7.673030218678316E-12
peri -2.419821658410781E-14 6.378516306338983E-14 1.279938610685804E-9 -2.339277182217791E-9 2.626890255186603E-9 8.060585256179979E-12
i -2.649966253377889E-16 7.467410572363546E-16 1.829472323251429E-12 -7.673030218678316E-12 8.060585256179979E-12 1.076195738254777E-11

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 11.9   n/a MPO473785 IRAS observations used: 4
diameter diameter 26.572 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.05 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.655   0.092 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.64, mean=12.66, max.=12.68) deg.
U-B UB 0.480   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.64, mean=12.66, max.=12.68) deg.
Tholen spectral type spec_T C:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1595 Tanga           Discovered 1930 June 19 by C. Jackson and H. E. Wood at Johannesburg.
Named for a port on the eastern seaboard of Tanzania.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5182Last Updated: 2006-03-21

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Alternate Designations
 1930 ME = 1935 TB = 1942 FB = 1947 LQ = 1948 TN2 = 1950 BB = 1951 JK = 1952 QG1 = 1959 EK = 1968 HA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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