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30972 (1995 DE8)
Classification: Main-belt Asteroid          SPK-ID: 2030972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06774806391311189 4.4471e-08  
a 2.605127947008013 1.2839e-08 au
q 2.42863557235228 1.2001e-07 au
i 3.82375043999345 4.7361e-06 deg
node 156.5632905002805 5.5201e-05 deg
peri 341.7742943586181 6.775e-05 deg
M 70.9789367270552 3.5657e-05 deg
tp 2458897.690844358968
(2020-Feb-18.19084436)
0.00015296 TDB
period 1535.82599370243
4.20
1.1353e-05
3.108e-08
d
yr
n .2344015542621105 1.7328e-09 deg/d
Q 2.781620321663746 1.3709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      10908 days (29.86 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:43:27  

Additional Information
 Earth MOID = 1.44201 au 
 Jupiter MOID = 2.21929 au 
 T_jup = 3.406 
[ 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 15.58   n/a MPCxxxxx  

30972 (1995 DE8)          Discovered 1995-Feb-24 by Spacewatch at Kitt Peak
Reference: 20011130/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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