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233912 (2009 NC)
Classification: Main-belt Asteroid          SPK-ID: 2233912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590887308349676 6.714e-08  
a 2.405719555244481 1.9954e-08 au
q 2.022996684455773 1.6915e-07 au
i 24.00382951061468 6.8635e-06 deg
node 230.7507655092764 1.2976e-05 deg
peri 161.8831690398809 2.1668e-05 deg
M 336.2711521579637 1.931e-05 deg
tp 2459290.333862960408
(2021-Mar-16.83386296)
7.3757e-05 TDB
period 1362.906066111442
3.73
1.6957e-05
4.643e-08
d
yr
n .2641414613606712 3.2864e-09 deg/d
Q 2.788442426033188 2.3129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:24:11  

Additional Information
 Earth MOID = 1.03843 au 
 Jupiter MOID = 2.64055 au 
 T_jup = 3.389 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457548.5 (2016-Jun-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604666763475391 6.7273e-08  
q 2.019131498897313 1.6967e-07 au
tp 2457927.606298423684
(2017-Jun-23.10629842)
6.4461e-05 TDB
node 230.7993221957937 1.2964e-05 deg
peri 161.9273001533568 2.1507e-05 deg
i 24.02387027956779 6.8676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:24:11  

Additional Information
 Jupiter MOID = 2.64055 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.525641219679672E-15 -1.136856592250632E-14 -5.208841756925278E-13 -1.204572038949875E-14 -3.399554668244257E-14 2.953655413933865E-15
q -1.136856592250632E-14 2.87877814895329E-14 1.68860758362849E-12 3.127186828121187E-14 1.584370251856285E-13 -6.130886977513426E-15
tp -5.208841756925278E-13 1.68860758362849E-12 4.155211265528989E-9 -1.230350935160603E-11 1.113139771348468E-9 9.677802252455885E-12
node -1.204572038949875E-14 3.127186828121187E-14 -1.230350935160603E-11 1.680603753178221E-10 -1.568774934673044E-10 -1.012999959247603E-11
peri -3.399554668244257E-14 1.584370251856285E-13 1.113139771348468E-9 -1.568774934673044E-10 4.625365829488833E-10 1.222543647452647E-11
i 2.953655413933865E-15 -6.130886977513426E-15 9.677802252455885E-12 -1.012999959247603E-11 1.222543647452647E-11 4.716343412342962E-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 16.08   n/a E2021B55  

233912 (2009 NC)          Discovered 2009-Jul-03 by La Sagra at La Sagra
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ hide close-approach data ]
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
1926-Oct-01 10:38 00:01 Hebe 0.042717420494807 0.0427141748674223 0.0427206726609962 8.71346287499707 8.71346285829533 2424789.943091655 1.10508725367108 979.043812346864 81.829182947628 81.7614598590443 77283.1900995802 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 13:24:12 2021-Feb-24 13:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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