Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
30825 (1990 TG1)
Classification: Apollo [NEO]          SPK-ID: 2030825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 361 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6809831339062267 1.7056e-08  
a 2.436688789905747 4.375e-09 au
q .7773448214015601 4.1468e-08 au
i 8.738333795126101 4.2485e-06 deg
node 205.0220839771853 2.2592e-05 deg
peri 33.71676310527891 2.2584e-05 deg
M 37.39017399787172 4.4492e-06 deg
tp 2459056.204259829227
(2020-Jul-25.70425983)
1.6789e-05 TDB
period 1389.307962686539
3.80
3.7417e-06
1.024e-08
d
yr
n .2591218143627846 6.9787e-10 deg/d
Q 4.096032758409933 7.3544e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1728  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      11101 days (30.39 yr)  
   first obs. used      1990-09-16  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:31:42  

Additional Information
 Earth MOID = .0697797 au 
 Jupiter MOID = .970875 au 
 T_jup = 3.126 
[ 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 14.69   n/a MPCxxxxx  
rotation period rot_per 2.62428 h n/a LCDB (Rev. 2020-October); 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

[ show close-approach data ]
Alternate Designations
 1990 TG1 = 2000 YP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 18:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin