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30825 (1990 TG1)
Classification: Apollo [NEO]          SPK-ID: 2030825
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 252 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6810629659523737 1.8604e-08  
a 2.437564045183862 1.717e-08 au
q .777429446872075 4.3857e-08 au
i 8.738835185145717 4.9139e-06 deg
node 205.0456704615915 2.3435e-05 deg
peri 33.68723659474363 2.3519e-05 deg
M 241.9938097895381 1.5357e-05 deg
tp 2459056.153560866999
(2020-Jul-25.65356087)
6.4104e-05 TDB
period 1390.056586180485
3.81
1.4687e-05
4.021e-08
d
yr
n .258982262721539 2.7363e-09 deg/d
Q 4.097698643495649 2.8863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1225  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      10643 days (29.14 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 20:16:06  

Additional Information
 Earth MOID = .0694595 au 
 Jupiter MOID = .970146 au 
 T_jup = 3.125 
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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 14.7   n/a MPO435976  
rotation period rot_per 2.62428 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Higgins, D.J.; Pravec, P.; Kusnirak, P.; Masi, G.; et al. (2006) Minor Planet Bull. 33, 8-10.]
[Galad, A. (2010) Astron. Astrophys. 514, A55.]

30825 (1990 TG1)          Discovered 1990-Oct-14 by Spacewatch at Kitt Peak
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1990 TG1 = 2000 YP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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