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70081 (1999 JX61)
Classification: Main-belt Asteroid          SPK-ID: 2070081
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1943747496298865 4.2386e-08  
a 2.224144979024582 7.5543e-09 au
q 1.791827355586109 9.4171e-08 au
i 6.409280073378651 3.794e-06 deg
node 264.828704207336 3.5797e-05 deg
peri 55.38869770450094 3.7054e-05 deg
M 128.1344558344072 1.1701e-05 deg
tp 2458769.272454577119
(2019-Oct-12.77245458)		 3.8405e-05 TDB
period 1211.554810463019
3.32		 6.1725e-06
1.69e-08		 d
yr
n .2971388474471238 1.5138e-09 deg/d
Q 2.656462602463054 9.0226e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      7925 days (21.70 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:39:52  

Additional Information
 Earth MOID = .78596 au 
 Jupiter MOID = 2.65507 au 
 T_jup = 3.614 
[ 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 15.2   n/a MPO439537  

70081 (1999 JX61)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1915-Aug-31 23:50 < 00:01 Iris 0.0401252721428192 0.0401221010840744 0.0401284469462885 5.73300022025701 5.73300019526662 2420741.493312541 0.229335429310919 679.231741240177 60.051880577657 77.5069806356068 97582.5628284078 T 27 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:54 2021-Feb-24 06:39

Alternate Designations
 1999 JX61 = 1999 LK17 = 2000 YE94 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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