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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06901169347863355 3.7654e-08  
a 2.267189909536647 7.0105e-09 au
q 2.110727294441852 8.5501e-08 au
i .8404301992240523 3.5532e-06 deg
node 56.97948153551433 0.00025688 deg
peri 142.5211402730644 0.00025798 deg
M 80.99108850864306 2.4116e-05 deg
tp 2458719.979236674650
(2019-Aug-24.47923667)
8.3394e-05 TDB
period 1246.896129644548
3.41
5.7834e-06
1.583e-08
d
yr
n .2887169118911492 1.3391e-09 deg/d
Q 2.423652524631441 7.4943e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1404  
   data-arc span      10828 days (29.65 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:32:39  

Additional Information
 Earth MOID = 1.10786 au 
 Jupiter MOID = 2.53214 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456684.5 (2014-Jan-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06902607113493965 3.7569e-08  
q 2.109885347041602 8.5272e-08 au
tp 2456227.196708834800
(2012-Oct-26.69670883)
8.3073e-05 TDB
node 56.97195421966507 0.00025661 deg
peri 142.4353093751337 0.00025772 deg
i .8410694660725929 3.5547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1404  
   data-arc span      10828 days (29.65 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:32:39  

Additional Information
 Jupiter MOID = 2.53214 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.411417006242322E-15 -3.194217798884084E-15 -4.589147464023516E-13 -4.324543685874117E-15 -1.025502311599732E-13 -2.829172954538847E-17
q -3.194217798884084E-15 7.271352195554934E-15 1.019476834619061E-12 9.169538817668371E-15 2.302577693993414E-13 6.758519375599775E-17
tp -4.589147464023516E-13 1.019476834619061E-12 6.901057202253638E-9 -2.422768305139973E-11 1.998422469870633E-9 2.747680153370457E-13
node -4.324543685874117E-15 9.169538817668371E-15 -2.422768305139973E-11 6.584942506241629E-8 -6.58491491101609E-8 -2.167915308846347E-10
peri -1.025502311599732E-13 2.302577693993414E-13 1.998422469870633E-9 -6.58491491101609E-8 6.642092080688796E-8 2.168485379256129E-10
i -2.829172954538847E-17 6.758519375599775E-17 2.747680153370457E-13 -2.167915308846347E-10 2.168485379256129E-10 1.263586826746842E-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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