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JPL Small-Body Database Browser
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1719 Jens (1950 DP)
Classification: Main-belt Asteroid          SPK-ID: 2001719
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2229587277509516 3.6925e-08  
a 2.65523688579335 8.4884e-09 au
q 2.063228647859466 9.9259e-08 au
i 14.28403771799458 5.5968e-06 deg
node 323.4321375747033 1.3766e-05 deg
peri 57.94644962199404 1.8416e-05 deg
M 189.4764036979082 1.2444e-05 deg
tp 2459749.074998565401
(2022-Jun-18.57499857)
5.6489e-05 TDB
period 1580.350199781932
4.33
7.5783e-06
2.075e-08
d
yr
n .2277976109660222 1.0924e-09 deg/d
Q 3.247245123727234 1.0381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2331  
   data-arc span      26051 days (71.32 yr)  
   first obs. used      1948-09-10  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40931  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:12:32  

Additional Information
 Earth MOID = 1.10125 au 
 Jupiter MOID = 2.37766 au 
 T_jup = 3.309 
[ show covariance matrix ]

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 11.7   n/a MPO384764  
diameter diameter 19.914 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.87 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2001) Minor Planet Bull. 28, 4-5.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 63-65.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.137   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1719 Jens (1950 DP)          Discovered 1950-Feb-17 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1950 DP = 1939 PP = 1939 TD = 1941 BB = 1948 RQ = 1948 RS1 = 1948 TS1 = 1961 TZ1 = A922 SC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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