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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2617309135347889 2.949e-08  
a 2.288140649972361 7.8721e-09 au
q 1.689263507359009 6.8195e-08 au
i 23.66951884296608 6.8405e-06 deg
node 26.85772286462302 9.7617e-06 deg
peri 64.40560998020297 1.7764e-05 deg
M 180.9564400734324 1.3004e-05 deg
tp 2459829.251024067617
(2022-Sep-06.75102407)
4.6793e-05 TDB
period 1264.219549461465
3.46
6.5241e-06
1.786e-08
d
yr
n .2847606653079787 1.4695e-09 deg/d
Q 2.887017792585713 9.9325e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      14471 days (39.62 yr)  
   first obs. used      1980-10-31  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:32:39  

Additional Information
 Earth MOID = .807007 au 
 Jupiter MOID = 2.75886 au 
 T_jup = 3.446 
[ 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 15.06   n/a E2021B10  
diameter diameter 2.124 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.5826 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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