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5970 Ohdohrikouen (1991 JS1)
Classification: Main-belt Asteroid          SPK-ID: 2005970
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634615300750756 3.0338e-08  
a 2.202790022246697 6.0392e-09 au
q 1.842718594776142 6.8007e-08 au
i 4.328522746881675 3.4613e-06 deg
node 122.531297369176 4.6085e-05 deg
peri 166.6748600153908 4.7517e-05 deg
M 285.5651622965101 1.3761e-05 deg
tp 2459247.406101817474
(2021-Feb-01.90610182)
4.6166e-05 TDB
period 1194.147786126272
3.27
4.9109e-06
1.345e-08
d
yr
n .3014702235205022 1.2398e-09 deg/d
Q 2.562861449717252 7.0264e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2091  
   data-arc span      15185 days (41.57 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:51:39  

Additional Information
 Earth MOID = .826746 au 
 Jupiter MOID = 2.59855 au 
 T_jup = 3.642 
[ 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 13.9   n/a MPO502210  
diameter diameter 3.894 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.6536 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.423   0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5970 Ohdohrikouen (1991 JS1)          Discovered 1991-May-13 by Watanabe, K. at Sapporo
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 JS1 = 1978 NS2 = 1982 UP7 = 1988 RM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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