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3158 Anga (1976 SU2)
Classification: Main-belt Asteroid          SPK-ID: 2003158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021658394052953 4.8242e-08  
a 2.550293938181592 1.1228e-08 au
q 2.289741017257034 1.2099e-07 au
i 14.57159767000366 4.8114e-06 deg
node 187.3972086426539 1.4345e-05 deg
peri 228.6603140814041 2.3996e-05 deg
M 220.8274851286459 1.8168e-05 deg
tp 2459575.588600619910
(2021-Dec-27.08860062)
7.5035e-05 TDB
period 1487.591831005857
4.07
9.8239e-06
2.69e-08
d
yr
n .2420018667059907 1.5982e-09 deg/d
Q 2.810846859106151 1.2375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      25084 days (68.68 yr)  
   first obs. used      1951-08-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:49:55  

Additional Information
 Earth MOID = 1.32212 au 
 Jupiter MOID = 2.56892 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5   n/a MPO435728  
diameter diameter 7.334 km 0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
geometric albedo albedo 0.179   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3158 Anga (1976 SU2)          Discovered 1976-Sep-24 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1976 SU2 = 1968 UV2 = 1972 TA11 = 1980 TA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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