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129770 (1999 HV)
Classification: Main-belt Asteroid          SPK-ID: 2129770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2261084655135248 4.7183e-08  
a 2.330084162442196 1.5438e-08 au
q 1.803232407955024 1.0882e-07 au
i 22.78161493352788 7.0803e-06 deg
node 65.9177438695997 1.3377e-05 deg
peri 243.1346152152004 2.816e-05 deg
M 272.2577507264518 3.1534e-05 deg
tp 2459317.137320297072
(2021-Apr-12.63732030)
0.00011568 TDB
period 1299.139653367769
3.56
1.2911e-05
3.535e-08
d
yr
n .2771064673969188 2.7539e-09 deg/d
Q 2.856935916929367 1.8928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      7728 days (21.16 yr)  
   first obs. used      1999-04-18  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:17:52  

Additional Information
 Earth MOID = .881711 au 
 Jupiter MOID = 2.51825 au 
 T_jup = 3.435 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO320444  
diameter diameter 2.604 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129770 (1999 HV)          Discovered 1999-Apr-18 by Zoltowski, F. B. at Woomera
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 HV = 2000 VN34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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