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12293 (1991 NV1)
Classification: Main-belt Asteroid          SPK-ID: 2012293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .121178093963927 1.549e-08  
a 2.383490507636253 7.6912e-09 au
q 2.094663670939779 3.6834e-08 au
i 6.177923139100749 7.8335e-07 deg
node 252.9015228556876 6.2767e-06 deg
peri 135.3835635146322 9.3077e-06 deg
M 293.6532841706523 1.0051e-05 deg
tp 2459448.205412467518
(2021-Aug-21.70541247)
3.8196e-05 TDB
period 1344.059722830494
3.68
6.5057e-06
1.781e-08
d
yr
n .2678452407173289 1.2965e-09 deg/d
Q 2.672317344332727 8.6232e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2262  
   data-arc span      11607 days (31.78 yr)  
   first obs. used      1988-12-03  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:15:41  

Additional Information
 Earth MOID = 1.10413 au 
 Jupiter MOID = 2.75133 au 
 T_jup = 3.519 
[ 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 13.74   n/a E2021B10  
rotation period rot_per 3.39153 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

12293 (1991 NV1)          Discovered 1991-Jul-13 by Holt, H. E. at Palomar
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 NV1 = 1988 XM2 = 1995 XY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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