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78168 (2002 NZ30)
Classification: Main-belt Asteroid          SPK-ID: 2078168
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07832699928721559 4.9041e-08  
a 2.967698860893633 2.2398e-08 au
q 2.735247914331747 1.4805e-07 au
i 11.21035303562386 4.757e-06 deg
node 105.7082694780764 3.2202e-05 deg
peri 328.4489248259164 5.171e-05 deg
M 87.35159383115085 3.9296e-05 deg
tp 2458747.397451706091
(2019-Sep-20.89745171)		 0.00020329 TDB
period 1867.360516639336
5.11		 2.114e-05
5.788e-08		 d
yr
n .192785483462983 2.1825e-09 deg/d
Q 3.200149807455519 2.4153e-08 au
   Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8995 days (24.63 yr)  
   first obs. used      1996-06-08  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51577  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:13:55  

Additional Information
 Earth MOID = 1.75713 au 
 Jupiter MOID = 2.00662 au 
 T_jup = 3.230 
[ 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 14.74   n/a E2021B10  
diameter diameter 4.021 km 0.925 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.5142 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.158   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78168 (2002 NZ30)          Discovered 2002-Jul-08 by NEAT at Palomar
Reference: 20040415/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
2071-Jan-31 14:02 00:02 Psych 0.0112019876675738 0.0111946489909991 0.0112093545566057 3.54194109190797 3.54194078696631 2477508.084919132 1.76077643610826 967.817097353688 55.5079061066509 -67.9951349720037 27964.2708248073 T 27 CATAB v2.0f-lin.ifort 2021-Feb-24 07:13:57 2021-Feb-24 07:13
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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