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JPL Small-Body Database Browser
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85184 (1991 JG1)
Classification: Amor [NEO]          SPK-ID: 2085184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846137749442568 5.1896e-08  
a 1.374025969923566 4.3104e-09 au
q 1.120361848744533 7.1589e-08 au
i 33.8785236595663 1.0887e-05 deg
node 226.4066788888005 9.2215e-06 deg
peri 322.7172691457388 3.5297e-05 deg
M 156.596967358528 4.1364e-05 deg
tp 2458344.599175451889
(2018-Aug-14.09917545)
6.6905e-05 TDB
period 588.2891501110746
1.61
2.7682e-06
7.579e-09
d
yr
n .6119439733539682 2.8796e-09 deg/d
Q 1.6276900911026 5.1061e-09 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      14563 days (39.87 yr)  
   first obs. used      1978-01-09  
   last obs. used      2017-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49236  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Nov-24 06:18:15  

Additional Information
 Earth MOID = .146227 au 
 Jupiter MOID = 3.40103 au 
 T_jup = 4.626 
[ 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 18.3   n/a MPO426527  

85184 (1991 JG1)          Discovered 1991-May-09 by Helin, E. F. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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