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120772 (1998 DM15)
Classification: Main-belt Asteroid          SPK-ID: 2120772
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099704268354164 5.041e-08  
a 2.625814981719859 1.1895e-08 au
q 2.074471489217309 1.3301e-07 au
i 4.005306829903815 4.0436e-06 deg
node 62.42867835435931 7.5901e-05 deg
peri 95.90341627063469 7.6683e-05 deg
M 133.9937402101509 1.0275e-05 deg
tp 2458622.035623746616
(2019-May-18.53562375)
4.3053e-05 TDB
period 1554.156001053562
4.26
1.056e-05
2.891e-08
d
yr
n .2316369783702255 1.5739e-09 deg/d
Q 3.177158474222409 1.4392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1996-11-07  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:27:57  

Additional Information
 Earth MOID = 1.08796 au 
 Jupiter MOID = 1.8181 au 
 T_jup = 3.367 
[ 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 15.5   n/a MPO320375  

120772 (1998 DM15)          Discovered 1998-Feb-22 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 DM15 = 2001 XE241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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