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78162 (2002 NR28)
Classification: Main-belt Asteroid          SPK-ID: 2078162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06633547942431162 4.5383e-08  
a 2.758923924123869 1.819e-08 au
q 2.575909382921909 1.3043e-07 au
i 7.562997308450854 4.5555e-06 deg
node 116.0396841111995 3.9086e-05 deg
peri 240.0886895005157 5.4655e-05 deg
M 268.0450741343532 4.0384e-05 deg
tp 2459428.043701144012
(2021-Aug-01.54370114)
0.0001888 TDB
period 1673.817155121486
4.58
1.6553e-05
4.532e-08
d
yr
n .2150772555404184 2.127e-09 deg/d
Q 2.941938465325829 1.9396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:59  

Additional Information
 Earth MOID = 1.57993 au 
 Jupiter MOID = 2.38252 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457029.5 (2015-Jan-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0660985035162841 4.5422e-08  
q 2.575225523294035 1.3022e-07 au
tp 2457761.328481254230
(2017-Jan-07.82848125)
0.00018566 TDB
node 116.0567686354162 3.9104e-05 deg
peri 241.4798220603524 5.4738e-05 deg
i 7.562179395114264 4.5551e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1998-09-24  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63292  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:59  

Additional Information
 Jupiter MOID = 2.38252 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.063188938580591E-15 -5.86604694757985E-15 5.918286992381656E-13 -3.856426514137217E-15 1.514735262393194E-13 1.382763407598703E-15
q -5.86604694757985E-15 1.69575776931949E-14 -1.118541875713344E-12 1.01666479622294E-14 -3.425151694919891E-13 -3.569395296532283E-15
tp 5.918286992381656E-13 -1.118541875713344E-12 3.447033323915847E-8 -1.008984389481097E-12 7.13934039275288E-9 1.91747463813062E-12
node -3.856426514137217E-15 1.01666479622294E-14 -1.008984389481097E-12 1.52908984631565E-9 -1.515702618632703E-9 -1.900099465597087E-12
peri 1.514735262393194E-13 -3.425151694919891E-13 7.13934039275288E-9 -1.515702618632703E-9 2.996249489198521E-9 2.239900942868997E-12
i 1.382763407598703E-15 -3.569395296532283E-15 1.91747463813062E-12 -1.900099465597087E-12 2.239900942868997E-12 2.07484922404735E-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 15.2   n/a MPO474672  

78162 (2002 NR28)          Discovered 2002-Jul-13 by NEAT at Palomar
Reference: 20040415/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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