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43054 (1999 VU78)
Classification: Main-belt Asteroid          SPK-ID: 2043054
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260034376524506 2.9296e-08  
a 2.354778102106351 6.8106e-09 au
q 1.822590156121602 7.1564e-08 au
i 2.425094544777802 3.8399e-06 deg
node 28.21775828079862 7.2099e-05 deg
peri 278.7728535507821 7.2726e-05 deg
M 9.113236880041745 9.1692e-06 deg
tp 2459167.088685078688
(2020-Nov-13.58868508)
3.3576e-05 TDB
period 1319.84645302201
3.61
5.726e-06
1.568e-08
d
yr
n .2727590010002447 1.1833e-09 deg/d
Q 2.8869660480911 8.3498e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1434  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1998-03-22  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:21  

Additional Information
 Earth MOID = .807742 au 
 Jupiter MOID = 2.37692 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 15.35   n/a E2021B10  
rotation period rot_per 3.028 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.]

43054 (1999 VU78)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20020624/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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