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2327 Gershberg (1969 TQ4)
Classification: Main-belt Asteroid          SPK-ID: 2002327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287850817171804 3.1794e-08  
a 2.368260739920434 5.2909e-09 au
q 2.063264087002191 7.5989e-08 au
i 4.039464386331066 3.313e-06 deg
node 174.8643332724986 3.9882e-05 deg
peri 211.2642086444575 4.1206e-05 deg
M 15.18013082374064 9.9623e-06 deg
tp 2459144.367328270938
(2020-Oct-21.86732827)
3.6839e-05 TDB
period 1331.198133738
3.64
4.461e-06
1.221e-08
d
yr
n .2704330714385251 9.0626e-10 deg/d
Q 2.673257392838677 5.9723e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2779  
   data-arc span      18725 days (51.27 yr)  
   first obs. used      1969-10-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:02:07  

Additional Information
 Earth MOID = 1.06701 au 
 Jupiter MOID = 2.76936 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457216.5 (2015-Jul-13.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303194858887317 3.1891e-08  
q 2.059250237371905 7.6341e-08 au
tp 2457812.647603670193
(2017-Feb-28.14760367)
3.6429e-05 TDB
node 174.9618547358405 3.9879e-05 deg
peri 211.1561184066959 4.116e-05 deg
i 4.039984199203182 3.3148e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2779  
   data-arc span      18725 days (51.27 yr)  
   first obs. used      1969-10-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:02:07  

Additional Information
 Jupiter MOID = 2.76936 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.017045206792031E-15 -2.430236538586547E-15 -1.766578013766858E-14 1.73677513925105E-15 5.887493995440275E-15 -3.40417265420718E-16
q -2.430236538586547E-15 5.827993407331136E-15 2.08683893063512E-14 -3.904220107498506E-15 -2.24808200015181E-14 8.790805533649938E-16
tp -1.766578013766858E-14 2.08683893063512E-14 1.327054323390421E-9 -1.583361369125647E-12 3.77407527639181E-10 2.333354128187287E-13
node 1.73677513925105E-15 -3.904220107498506E-15 -1.583361369125647E-12 1.590341212518643E-9 -1.586483477689124E-9 3.17939113361023E-11
peri 5.887493995440275E-15 -2.24808200015181E-14 3.77407527639181E-10 -1.586483477689124E-9 1.694109369915368E-9 -3.166830245773586E-11
i -3.40417265420718E-16 8.790805533649938E-16 2.333354128187287E-13 3.17939113361023E-11 -3.166830245773586E-11 1.098787202138078E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.66   n/a E2021B10  
diameter diameter 5.370 km 0.914 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.244   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

2327 Gershberg (1969 TQ4)          Discovered 1969-Oct-13 by Burnasheva, B. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1969 TQ4 = 1976 QQ = 1976 SU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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