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48655 (1995 VQ12)
Classification: Main-belt Asteroid          SPK-ID: 2048655
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134915723124162 3.4185e-08  
a 2.255465858753556 7.4642e-09 au
q 1.999489492146641 7.6627e-08 au
i 7.483220735392936 4.1007e-06 deg
node 201.7619829827115 2.7478e-05 deg
peri 196.9389381515695 3.3048e-05 deg
M 90.0642144670944 1.8494e-05 deg
tp 2458690.970121050368
(2019-Jul-26.47012105)
6.3097e-05 TDB
period 1237.236754699943
3.39
6.1417e-06
1.682e-08
d
yr
n .2909709872685668 1.4444e-09 deg/d
Q 2.511442225360471 8.3113e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      15072 days (41.26 yr)  
   first obs. used      1978-10-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:20  

Additional Information
 Earth MOID = 1.00762 au 
 Jupiter MOID = 2.8807 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456450.5 (2013-Jun-07.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136170175117692 3.4271e-08  
q 1.999290045828781 7.6903e-08 au
tp 2456215.224977251773
(2012-Oct-14.72497725)
6.0491e-05 TDB
node 201.8026152846883 2.7468e-05 deg
peri 196.5818590523874 3.3023e-05 deg
i 7.483609040415653 4.1027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1090  
   data-arc span      15072 days (41.26 yr)  
   first obs. used      1978-10-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53675  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:11:20  

Additional Information
 Jupiter MOID = 2.8807 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.174515999833288E-15 -2.625951279759109E-15 -5.576165209198455E-13 5.982770852293018E-15 -1.736579362862379E-13 -2.890947944957658E-15
q -2.625951279759109E-15 5.914084886098954E-15 1.300409094302846E-12 -1.302521445943639E-14 4.057556751861828E-13 6.512089107424996E-15
tp -5.576165209198455E-13 1.300409094302846E-12 3.659114999983353E-9 1.535495034241485E-12 1.119724278981686E-9 2.250200330352539E-12
node 5.982770852293018E-15 -1.302521445943639E-14 1.535495034241485E-12 7.544687498287628E-10 -7.46931172605257E-10 -2.358454471914028E-11
peri -1.736579362862379E-13 4.057556751861828E-13 1.119724278981686E-9 -7.46931172605257E-10 1.090535190357245E-9 2.410234962247126E-11
i -2.890947944957658E-15 6.512089107424996E-15 2.250200330352539E-12 -2.358454471914028E-11 2.410234962247126E-11 1.683181015389813E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO452833  
diameter diameter 2.147 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48655 (1995 VQ12)          Discovered 1995-Nov-15 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 VQ12 = 1978 UM8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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