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49701 (1999 VZ1)
Classification: Main-belt Asteroid          SPK-ID: 2049701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09162647065455054 3.2197e-08  
a 2.210285931613277 6.6778e-09 au
q 2.007765232562147 7.0775e-08 au
i 1.056688162186585 3.3162e-06 deg
node 241.7203293577507 0.00023815 deg
peri 215.4446750989638 0.00023945 deg
M 106.4557287294427 2.4566e-05 deg
tp 2458845.574132542141
(2019-Dec-28.07413254)
8.1681e-05 TDB
period 1200.248345578143
3.29
5.4393e-06
1.489e-08
d
yr
n .2999379264518736 1.3593e-09 deg/d
Q 2.412806630664407 7.2896e-09 au
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      14325 days (39.22 yr)  
   first obs. used      1981-03-02  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:20:38  

Additional Information
 Earth MOID = 1.02449 au 
 Jupiter MOID = 2.69483 au 
 T_jup = 3.652 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456526.5 (2013-Aug-22.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09134034713328043 3.2171e-08  
q 2.008818998311565 7.0743e-08 au
tp 2456444.356181775876
(2013-May-31.85618178)
8.1493e-05 TDB
node 241.8039633092384 0.00023853 deg
peri 215.3957362374351 0.00023984 deg
i 1.055208739147797 3.3152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      984  
   data-arc span      14325 days (39.22 yr)  
   first obs. used      1981-03-02  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:20:38  

Additional Information
 Jupiter MOID = 2.69483 au 
 T_jup = 3.652 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.034978953048146E-15 -2.267616005255839E-15 8.02712304320256E-13 4.499876428770208E-15 2.613525712347921E-13 -6.293099460021074E-17
q -2.267616005255839E-15 5.004579424969424E-15 -1.775594198171583E-12 -1.005508202667729E-14 -5.777317010686956E-13 1.567832090619357E-16
tp 8.02712304320256E-13 -1.775594198171583E-12 6.641051378019867E-9 1.906834039601754E-11 2.058263001796151E-9 1.897592071741439E-13
node 4.499876428770208E-15 -1.005508202667729E-14 1.906834039601754E-11 5.68966378758581E-8 -5.688109167514954E-8 -6.72289205238025E-11
peri 2.613525712347921E-13 -5.777317010686956E-13 2.058263001796151E-9 -5.688109167514954E-8 5.752289009048001E-8 6.728090403527928E-11
i -6.293099460021074E-17 1.567832090619357E-16 1.897592071741439E-13 -6.72289205238025E-11 6.728090403527928E-11 1.099044031482688E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.23   n/a E2021B10  
diameter diameter 1.682 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49701 (1999 VZ1)          Discovered 1999-Nov-05 by Roe, J. M. at Oaxaca
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VZ1 = 1981 EH42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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