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JPL Small-Body Database Browser
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35760 (1999 HP1)
Classification: Main-belt Asteroid          SPK-ID: 2035760
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2620416033236129 3.1681e-08  
a 2.2876131128645 8.2824e-09 au
q 1.688163304985365 7.3833e-08 au
i 23.67451288269899 7.5066e-06 deg
node 26.87328250626905 1.1022e-05 deg
peri 64.38570032513488 2.3653e-05 deg
M 123.9886953502087 1.6258e-05 deg
tp 2458565.236868462448
(2019-Mar-22.73686846)
5.7047e-05 TDB
period 1263.782370730906
3.46
6.8633e-06
1.879e-08
d
yr
n .2848591722258278 1.547e-09 deg/d
Q 2.887062920743634 1.0453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      14062 days (38.50 yr)  
   first obs. used      1980-10-31  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:35  

Additional Information
 Earth MOID = .8065 au 
 Jupiter MOID = 2.75813 au 
 T_jup = 3.447 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456699.5 (2014-Feb-11.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618085489737519 3.1849e-08  
q 1.689199623926403 7.4345e-08 au
tp 2457301.764850290837
(2015-Oct-06.26485029)
5.7896e-05 TDB
node 26.89976638398525 1.1026e-05 deg
peri 64.47087766241593 2.3644e-05 deg
i 23.66891151804823 7.5048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      988  
   data-arc span      14062 days (38.50 yr)  
   first obs. used      1980-10-31  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:35  

Additional Information
 Jupiter MOID = 2.75813 au 
 T_jup = 3.447 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.014375333970982E-15 -2.359870358001224E-15 3.378011331540247E-13 3.720567210401453E-15 1.54556621501455E-13 -1.205199160758063E-14
q -2.359870358001224E-15 5.52711114375604E-15 -8.34299253768519E-13 -1.050367856419388E-14 -3.800124586007719E-13 2.988382834532058E-14
tp 3.378011331540247E-13 -8.34299253768519E-13 3.35189178679951E-9 -1.155086798671272E-11 1.221785778175796E-9 -3.718979848685352E-11
node 3.720567210401453E-15 -1.050367856419388E-14 -1.155086798671272E-11 1.215794373777508E-10 -1.143021682987194E-10 -3.656386337659604E-11
peri 1.54556621501455E-13 -3.800124586007719E-13 1.221785778175796E-9 -1.143021682987194E-10 5.590372220230345E-10 1.960302149695645E-11
i -1.205199160758063E-14 2.988382834532058E-14 -3.718979848685352E-11 -3.656386337659604E-11 1.960302149695645E-11 5.632164126500161E-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 15.1   n/a MPO474212  
diameter diameter 2.124 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.429   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

35760 (1999 HP1)          Discovered 1999-Apr-17 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 HP1 = 1980 UJ1 = 2001 UE17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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