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70422 (1999 SS16)
Classification: Main-belt Asteroid          SPK-ID: 2070422
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268122591671048 5.4449e-08  
a 2.533011052769274 1.208e-08 au
q 2.211794198672356 1.3943e-07 au
i 11.81706941582549 4.1968e-06 deg
node 218.5272578337508 2.5465e-05 deg
peri 269.7131482523361 2.989e-05 deg
M 295.4704106858003 1.7712e-05 deg
tp 2459264.443185892956
(2021-Feb-18.94318589)
7.3191e-05 TDB
period 1472.495764056494
4.03
1.0534e-05
2.884e-08
d
yr
n .244482876479221 1.749e-09 deg/d
Q 2.854227906866192 1.3612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      7727 days (21.16 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:32  

Additional Information
 Earth MOID = 1.26385 au 
 Jupiter MOID = 2.31086 au 
 T_jup = 3.409 
[ 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 14.6   n/a MPO351339  

70422 (1999 SS16)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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