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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287850452949895 2.0849e-08  
a 2.368260740071136 5.222e-09 au
q 2.06326417339073 5.0012e-08 au
i 4.039464154977336 1.3542e-06 deg
node 174.8643174692117 1.7462e-05 deg
peri 211.264213329111 1.8469e-05 deg
M 15.18013968581422 6.5376e-06 deg
tp 2459144.367295495647
(2020-Oct-21.86729550)
2.4155e-05 TDB
period 1331.198133865065
3.64
4.4029e-06
1.205e-08
d
yr
n .270433071412712 8.9445e-10 deg/d
Q 2.673257306751543 5.8945e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2887  
   data-arc span      18788 days (51.44 yr)  
   first obs. used      1969-10-13  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:10:06  

Additional Information
 Earth MOID = 1.06701 au 
 Jupiter MOID = 2.76936 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457296.5 (2015-Oct-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303488868259766 2.0895e-08  
q 2.059147994366862 5.0202e-08 au
tp 2457812.591675842751
(2017-Feb-28.09167584)
2.3748e-05 TDB
node 174.9621997096886 1.7462e-05 deg
peri 211.1478452769916 1.8433e-05 deg
i 4.040004736021625 1.3555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2887  
   data-arc span      18788 days (51.44 yr)  
   first obs. used      1969-10-13  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:10:06  

Additional Information
 Jupiter MOID = 2.76936 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.365954249306055E-16 -1.044693172118107E-15 -1.443366245009229E-13 1.106073754904514E-13 -1.38276971190995E-13 1.289511146438663E-14
q -1.044693172118107E-15 2.520242964419123E-15 3.338720238499087E-13 -2.628979894962814E-13 3.24481011805294E-13 -3.072986438731868E-14
tp -1.443366245009229E-13 3.338720238499087E-13 5.639728470482207E-10 7.059838918839825E-12 1.211967032442629E-10 4.625897754710713E-12
node 1.106073754904514E-13 -2.628979894962814E-13 7.059838918839825E-12 3.049378641129407E-10 -3.072234715287295E-10 1.297891240260542E-11
peri -1.38276971190995E-13 3.24481011805294E-13 1.211967032442629E-10 -3.072234715287295E-10 3.397922387738467E-10 -1.200876662973449E-11
i 1.289511146438663E-14 -3.072986438731868E-14 4.625897754710713E-12 1.297891240260542E-11 -1.200876662973449E-11 1.837377903525762E-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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