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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287850453081753 2.0853e-08  
a 2.368260740055267 5.2225e-09 au
q 2.063264173345677 5.0023e-08 au
i 4.039464134622025 1.3542e-06 deg
node 174.8643173496985 1.7462e-05 deg
peri 211.2642133995948 1.8469e-05 deg
M 15.18013975428902 6.5394e-06 deg
tp 2459144.367295243007
(2020-Oct-21.86729524)
2.4162e-05 TDB
period 1331.198133851685
3.64
4.4034e-06
1.206e-08
d
yr
n .2704330714154302 8.9454e-10 deg/d
Q 2.673257306764858 5.8951e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2883  
   data-arc span      18776 days (51.41 yr)  
   first obs. used      1969-10-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:38:36  

Additional Information
 Earth MOID = 1.06701 au 
 Jupiter MOID = 2.76936 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457294.5 (2015-Sep-29.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303486991620033 2.0899e-08  
q 2.059148423476314 5.0213e-08 au
tp 2457812.592186601546
(2017-Feb-28.09218660)
2.3753e-05 TDB
node 174.9622120379158 1.7463e-05 deg
peri 211.147935450006 1.8434e-05 deg
i 4.040005167305096 1.3556e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2883  
   data-arc span      18776 days (51.41 yr)  
   first obs. used      1969-10-13  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:38:36  

Additional Information
 Jupiter MOID = 2.76936 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.367704785697803E-16 -1.045133879768844E-15 -1.445355020387007E-13 1.106243504854629E-13 -1.383328400846816E-13 1.289756648198789E-14
q -1.045133879768844E-15 2.521352856739128E-15 3.343743807637703E-13 -2.62939265541243E-13 3.246204232998128E-13 -3.073586227820718E-14
tp -1.445355020387007E-13 3.343743807637703E-13 5.642180703481792E-10 7.04976729562726E-12 1.212548577834771E-10 4.624731364992722E-12
node 1.106243504854629E-13 -2.62939265541243E-13 7.04976729562726E-12 3.049443307671391E-10 -3.072319479530972E-10 1.297999594414615E-11
peri -1.383328400846816E-13 3.246204232998128E-13 1.212548577834771E-10 -3.072319479530972E-10 3.398121783892156E-10 -1.201007598327062E-11
i 1.289756648198789E-14 -3.073586227820718E-14 4.624731364992722E-12 1.297999594414615E-11 -1.201007598327062E-11 1.837555312461074E-12

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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