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12425 (1995 VG2)
Classification: Main-belt Asteroid          SPK-ID: 2012425
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403889746701291 3.8572e-08  
a 2.315476398099618 8.9669e-09 au
q 1.990409040697529 9.0528e-08 au
i 7.876287907180622 5.1786e-06 deg
node 27.32034995017975 2.7382e-05 deg
peri 304.2150085889878 3.2539e-05 deg
M 53.33390755905992 1.8209e-05 deg
tp 2458809.839877483847
(2019-Nov-22.33987748)
6.4955e-05 TDB
period 1286.94197082425
3.52
7.4757e-06
2.047e-08
d
yr
n .2797328925168476 1.6249e-09 deg/d
Q 2.640543755501707 1.0226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2337  
   data-arc span      9026 days (24.71 yr)  
   first obs. used      1995-11-12  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:33:36  

Additional Information
 Earth MOID = .993177 au 
 Jupiter MOID = 2.72876 au 
 T_jup = 3.556 
[ 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 14.1   n/a MPO395122  
diameter diameter 4.730 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12425 (1995 VG2)          Discovered 1995-Nov-12 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2097-Jun-25 05:04 < 00:01 Hebe 0.0349543072071596 0.0349400026876202 0.0349686128234548 8.09278512462449 8.09278510264798 2487149.711058744 0.810486550245838 777.253837672271 25.4857129228168 -23.4314939031206 81806.2388214762 T 29 CATAB v2.0f-lin.ifort 2020-Aug-25 00:33:49 2020-Aug-25 00:33
2126-Jul-20 15:18 00:05 Amphi 0.0369727358770827 0.0369575045346156 0.0369879681996315 2.59759870979248 2.59759864993487 2497766.137696682 5.42689423420654 815.497928616965 35.0638720276703 21.5761544437601 58276.5372243387 T 29 CATAB v2.0f-lin.ifort 2020-Aug-25 00:33:49 2020-Aug-25 00:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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