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1755 Lorbach (1936 VD)
Classification: Main-belt Asteroid          SPK-ID: 2001755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04698489122255385 3.104e-08  
a 3.090378961780814 1.3509e-08 au
q 2.945177842425073 9.5355e-08 au
i 10.70858893590627 4.3844e-06 deg
node 157.0866696804291 1.8919e-05 deg
peri 321.5788123731666 5.2982e-05 deg
M 62.98240386165821 4.8469e-05 deg
tp 2458653.337532543047
(2019-Jun-18.83753254)
0.00026737 TDB
period 1984.339761928112
5.43
1.3011e-05
3.562e-08
d
yr
n .1814205444586772 1.1896e-09 deg/d
Q 3.235580081136554 1.4144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3099  
   data-arc span      35061 days (95.99 yr)  
   first obs. used      1924-08-06  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:40:33  

Additional Information
 Earth MOID = 1.96788 au 
 Jupiter MOID = 1.79403 au 
 T_jup = 3.197 
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Orbital Elements at Epoch 2456702.5 (2014-Feb-14.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04933688720484259 3.122e-08  
q 2.941063416040502 9.6536e-08 au
tp 2456675.792267969817
(2014-Jan-18.29226797)
0.00025507 TDB
node 157.1173095016976 1.8935e-05 deg
peri 322.9784087832927 5.0592e-05 deg
i 10.70100654119106 4.3812e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3099  
   data-arc span      35061 days (95.99 yr)  
   first obs. used      1924-08-06  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:40:33  

Additional Information
 Jupiter MOID = 1.79403 au 
 T_jup = 3.197 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.746586484469969E-16 -2.987345135715634E-15 2.234244209153697E-12 -2.434475521372731E-15 4.111446241541994E-13 -6.070704259355011E-16
q -2.987345135715634E-15 9.319146237691925E-15 -7.390096668310199E-12 5.049491371780837E-15 -1.359988579453047E-12 1.291129196911332E-15
tp 2.234244209153697E-12 -7.390096668310199E-12 6.505841483353838E-8 -7.954528262664086E-12 1.198287351502714E-8 1.644495767611401E-12
node -2.434475521372731E-15 5.049491371780837E-15 -7.954528262664086E-12 3.585500067523875E-10 -3.533076964583936E-10 2.368911101954421E-11
peri 4.111446241541994E-13 -1.359988579453047E-12 1.198287351502714E-8 -3.533076964583936E-10 2.559568881658663E-9 -2.299011315903069E-11
i -6.070704259355011E-16 1.291129196911332E-15 1.644495767611401E-12 2.368911101954421E-11 -2.299011315903069E-11 1.919455727259841E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.8   n/a MPO502170 IRAS observations used: 5
diameter diameter 24.878 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.140   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.915   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.94, mean=7.44, max.=9.93) deg.
U-B UB 0.360   0.113 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.94, mean=7.44, max.=9.93) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1755 Lorbach (1936 VD)          Discovered 1936-Nov-08 by Laugier, M. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1936 VD = 1935 QA1 = 1936 UK = 1949 ED = 1956 NA = 1960 EA = 1965 AV = A924 PA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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