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JPL Small-Body Database Browser
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20425 (1998 VD35)
Classification: Apollo [NEO, PHA]          SPK-ID: 2020425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4764134398421175 1.2633e-07  
a 1.56462289494474 5.9337e-08 au
q .8192155195083842 1.8772e-07 au
i 6.984186082405414 3.7775e-05 deg
node 227.3659938827488 0.00013887 deg
peri 296.1688820185917 0.00013505 deg
M 105.5711317309332 0.00017137 deg
tp 2458390.868942698532
(2018-Sep-29.36894270)
0.00032845 TDB
period 714.8467520540562
1.96
4.0665e-05
1.113e-07
d
yr
n .503604442442479 2.8648e-08 deg/d
Q 2.310030270381095 8.7606e-08 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      2448 days (6.70 yr)  
   first obs. used      1998-11-15  
   last obs. used      2005-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .63021  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:29:36  

Additional Information
 Earth MOID = .00325291 au 
 Jupiter MOID = 2.70604 au 
 T_jup = 4.283 
[ 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 20.4   n/a PDS3 (MPO 7830)  
SMASSII spectral type spec_B Sq   n/a Binzel et al. (2004) Icarus 170, 259-294  

20425 (1998 VD35)          Discovered 1998-Nov-15 by Spacewatch at Kitt Peak
Reference: 20010109/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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