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35764 (1999 HP7)
Classification: Main-belt Asteroid          SPK-ID: 2035764
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06855693364561158 4.111e-08  
a 2.266148292446735 7.3272e-09 au
q 2.110788114330348 9.3853e-08 au
i .8407133771024876 3.7343e-06 deg
node 56.98715336562221 0.0002656 deg
peri 142.2729110798073 0.00026669 deg
M 325.7052546400898 2.4327e-05 deg
tp 2458719.201442710261
(2019-Aug-23.70144271)
8.4271e-05 TDB
period 1246.036934440901
3.41
6.0433e-06
1.655e-08
d
yr
n .288915994421572 1.4012e-09 deg/d
Q 2.421508470563122 7.8295e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1990-10-25  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:55:29  

Additional Information
 Earth MOID = 1.10827 au 
 Jupiter MOID = 2.53539 au 
 T_jup = 3.613 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456552.5 (2013-Sep-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06893973598664871 4.1006e-08  
q 2.110328687560978 9.3685e-08 au
tp 2456227.374133877010
(2012-Oct-26.87413388)
8.3457e-05 TDB
node 56.97634919026329 0.00026542 deg
peri 142.5061442068933 0.00026651 deg
i .8410802759120466 3.7344e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1990-10-25  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:55:29  

Additional Information
 Jupiter MOID = 2.53539 au 
 T_jup = 3.613 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.681525127583585E-15 -3.831549529883327E-15 -4.764658116631537E-13 -3.459711354172879E-15 -9.674275353488396E-14 -5.45504842556396E-17
q -3.831549529883327E-15 8.776866271139916E-15 1.066851622322692E-12 7.107443276275457E-15 2.182389200187501E-13 1.294504381414683E-16
tp -4.764658116631537E-13 1.066851622322692E-12 6.965096929662047E-9 -2.923476203690049E-11 2.020299325289681E-9 3.504432937596069E-13
node -3.459711354172879E-15 7.107443276275457E-15 -2.923476203690049E-11 7.044815358300735E-8 -7.044876145048974E-8 -2.878804768264953E-10
peri -9.674275353488396E-14 2.182389200187501E-13 2.020299325289681E-9 -7.044876145048974E-8 7.102642310913375E-8 2.879504781377316E-10
i -5.45504842556396E-17 1.294504381414683E-16 3.504432937596069E-13 -2.878804768264953E-10 2.879504781377316E-10 1.39454816081482E-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 15.7   n/a MPO385042  
diameter diameter 2.296 km 0.693 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35764 (1999 HP7)          Discovered 1999-Apr-19 by Spacewatch at Kitt Peak
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 HP7 = 1993 QJ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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