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70168 (1999 NG61)
Classification: Main-belt Asteroid          SPK-ID: 2070168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818008327479559 3.0858e-08  
a 2.25635665314987 6.8254e-09 au
q 1.846149134630833 7.1695e-08 au
i 7.206262548359438 3.9614e-06 deg
node 188.4332382118993 2.4869e-05 deg
peri 96.9975725700301 2.7886e-05 deg
M 64.00851017931633 1.0915e-05 deg
tp 2458780.387215947033
(2019-Oct-23.88721595)
3.7512e-05 TDB
period 1237.969795533122
3.39
5.6173e-06
1.538e-08
d
yr
n .2907986941999411 1.3195e-09 deg/d
Q 2.666564171668907 8.0663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:25:59  

Additional Information
 Earth MOID = .847107 au 
 Jupiter MOID = 2.51649 au 
 T_jup = 3.591 
[ 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 15.4   n/a MPO474581  

70168 (1999 NG61)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NG61 = 1999 RH99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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