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101779 (1999 GJ8)
Classification: Main-belt Asteroid          SPK-ID: 2101779
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042197947610662 5.5459e-08  
a 2.662657579848382 1.6909e-08 au
q 2.118890195372749 1.515e-07 au
i 6.001193374837728 5.5763e-06 deg
node 1.71860884881422 4.0077e-05 deg
peri 202.1154234226109 4.1851e-05 deg
M 307.8550818081059 1.5418e-05 deg
tp 2459230.369258871267
(2021-Jan-15.86925887)		 6.9409e-05 TDB
period 1586.979825898356
4.34		 1.5117e-05
4.139e-08		 d
yr
n .2268459838777166 2.1609e-09 deg/d
Q 3.206424964324016 2.0363e-08 au
   Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1999-03-09  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:33  

Additional Information
 Earth MOID = 1.11712 au 
 Jupiter MOID = 1.76544 au 
 T_jup = 3.347 
[ 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 15.53   n/a E2021B55  

101779 (1999 GJ8)          Discovered 1999-Apr-09 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
1940-Nov-14 18:17 00:02 Jupiter 1.84971716831631 1.84971606246016 1.84971827418287 1.6786305404995 1.37911582507016 2429948.261889199 2.02756637449829 278.017732878174 82.8952364880592 -84.9216340636722 1663403.24195772 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58
1974-Dec-20 01:36 00:01 Jupiter 1.87804903530043 1.87804822622018 1.87804984438326 2.29711742329064 2.09158423232174 2442401.566585900 1.07491340867276 226.578388523081 28.7051972786416 87.059599916535 2314440.27092921 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58
2023-Jan-27 13:27 < 00:01 Jupiter 1.76172586923833 1.76172541545066 1.76172632304724 1.86632650599209 1.58795213278055 2459972.060334320 0.303982689111352 353.440378483626 68.0787213358773 89.8826406066646 1521717.09510255 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58
2071-Mar-07 06:06 00:02 Jupiter 1.80096431016177 1.80096359052899 1.80096502980724 1.61237596595081 1.28806989320645 2477542.754449144 1.56678152202759 307.113187772924 112.567458184391 -88.6668935174118 1511688.3571346 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58
2105-Apr-10 16:27 00:02 Jupiter 1.95864048913205 1.95863891321497 1.95864206505114 2.54124365195741 2.36495468966862 2489995.185242425 2.4849360294055 189.230397312164 45.7012676447615 -83.3713999413647 1676905.02387538 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58
2119-Apr-25 09:12 00:03 Jupiter 1.97915194829698 1.97915009027287 1.97915380632271 1.83294133605461 1.58231761469172 2495122.883395017 2.93349540176457 183.973555529398 41.0401347150632 81.8936652863206 1490832.36535835 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58
2153-May-23 10:32 00:04 Jupiter 1.78948130064043 1.78948024520821 1.78948235624456 1.96503262665616 1.70724486513187 2507569.938586451 3.70472761001272 973.578545171838 50.934413387708 88.1888091362876 1900528.14621009 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 19:58:34 2020-Nov-12 19:58

Alternate Designations
 1999 GJ8 = 2003 CN6 
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