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JPL Small-Body Database Browser
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160142 (2001 DG101)
Classification: Main-belt Asteroid          SPK-ID: 2160142
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011988130601547 5.762e-08  
a 2.537857810545492 2.4023e-08 au
q 2.027243831348296 1.4779e-07 au
i 12.90217520999252 6.095e-06 deg
node 48.50428391222957 2.6505e-05 deg
peri 322.9887171026428 3.3708e-05 deg
M 275.2490722243687 2.6078e-05 deg
tp 2458948.149265664796
(2020-Apr-08.64926566)
0.00010818 TDB
period 1476.724077530539
4.04
2.0968e-05
5.741e-08
d
yr
n .2437828470989735 3.4614e-09 deg/d
Q 3.048471789742688 2.8857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7687 days (21.05 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:01  

Additional Information
 Earth MOID = 1.04357 au 
 Jupiter MOID = 2.44054 au 
 T_jup = 3.384 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456448.5 (2013-Jun-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2034609843964521 5.7958e-08  
q 2.01932263584102 1.4919e-07 au
tp 2455998.436148197511
(2012-Mar-11.93614820)
0.00010439 TDB
node 48.52378319937406 2.6495e-05 deg
peri 323.1162900948306 3.3509e-05 deg
i 12.91271176887037 6.0974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7687 days (21.05 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:01  

Additional Information
 Jupiter MOID = 2.44054 au 
 T_jup = 3.384 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.359133896027104E-15 -8.577235743905981E-15 2.198558952408315E-12 2.610871654932342E-14 3.16679395710117E-13 -5.573568987777441E-16
q -8.577235743905981E-15 2.225626752317181E-14 -5.868479234104214E-12 -6.931267747641048E-14 -8.362196433223147E-13 2.780551823041495E-15
tp 2.198558952408315E-12 -5.868479234104214E-12 1.089728858323191E-8 5.018692617575431E-11 2.16630266261168E-9 -1.895729833457174E-11
node 2.610871654932342E-14 -6.931267747641048E-14 5.018692617575431E-11 7.019615295137738E-10 -6.747762191189151E-10 1.341460216782035E-11
peri 3.16679395710117E-13 -8.362196433223147E-13 2.16630266261168E-9 -6.747762191189151E-10 1.122856598681628E-9 -1.692514411233294E-11
i -5.573568987777441E-16 2.780551823041495E-15 -1.895729833457174E-11 1.341460216782035E-11 -1.692514411233294E-11 3.717797272811446E-11

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 15.1   n/a MPO439949  
diameter diameter 4.975 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160142 (2001 DG101)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2001 DG101 = 1998 HW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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