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1363 Herberta (1935 RA)
Classification: Main-belt Asteroid          SPK-ID: 2001363
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06620498220116736 3.2955e-08  
a 2.902257942317434 9.7541e-09 au
q 2.710114006903112 9.4871e-08 au
i 1.105835326300745 3.1241e-06 deg
node 214.6877793492808 0.00017977 deg
peri 109.3061486888321 0.00018127 deg
M 62.94531469338708 2.2815e-05 deg
tp 2458684.735467170098
(2019-Jul-20.23546717)
0.00011463 TDB
period 1805.936349234066
4.94
9.1042e-06
2.493e-08
d
yr
n .1993425738136802 1.0049e-09 deg/d
Q 3.094401877731757 1.04e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3761  
   data-arc span      31109 days (85.17 yr)  
   first obs. used      1935-08-30  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:19:45  

Additional Information
 Earth MOID = 1.69804 au 
 Jupiter MOID = 2.11636 au 
 T_jup = 3.283 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456373.5 (2013-Mar-22.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06953547662603479 3.2984e-08  
q 2.700623833147498 9.5501e-08 au
tp 2456879.893523220569
(2014-Aug-10.39352322)
0.00010992 TDB
node 214.7500039934471 0.00018028 deg
peri 109.6958928329268 0.00018162 deg
i 1.102392475389089 3.1268e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3761  
   data-arc span      31109 days (85.17 yr)  
   first obs. used      1935-08-30  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:19:45  

Additional Information
 Jupiter MOID = 2.11636 au 
 T_jup = 3.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.087973981902285E-15 -3.135809466179149E-15 1.047301723464569E-15 -2.296887661291738E-15 -1.608596854862017E-14 -7.997165437604426E-17
q -3.135809466179149E-15 9.120369317286769E-15 -2.00443406593096E-13 8.991387497308796E-15 -1.330308930710703E-15 2.654432696946373E-16
tp 1.047301723464569E-15 -2.00443406593096E-13 1.208180727512337E-8 9.444841599509043E-12 2.439870566617597E-9 -1.150726530405495E-13
node -2.296887661291738E-15 8.991387497308796E-15 9.444841599509043E-12 3.25009445521806E-8 -3.249275641020965E-8 -7.798708104937525E-11
peri -1.608596854862017E-14 -1.330308930710703E-15 2.439870566617597E-9 -3.249275641020965E-8 3.298738310693192E-8 7.795035688201238E-11
i -7.997165437604426E-17 2.654432696946373E-16 -1.150726530405495E-13 -7.798708104937525E-11 7.795035688201238E-11 9.776769712548033E-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 11.3   n/a MPO347526  
diameter diameter 13.913 km 2.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.015 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Black, S.; Linville, D.; Michalik, D.; Wolf, M.; Ditteon, R. (2016) Minor Planet Bull. 43, 287-289.]
geometric albedo albedo 0.337   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1363 Herberta (1935 RA)          Discovered 1935-Aug-30 by Delporte, E. at Uccle
Preliminary designation is assigned to the Sept. 3 observation. Discovery Aug. 30 was initially, and incorrectly, attributed to planet 1231.
Note: "planet" implies "minor planet"
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1935 RA = 1943 ED1 = 1951 YM2 = 1952 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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