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JPL Small-Body Database Browser
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108153 (2001 HR2)
Classification: Main-belt Asteroid          SPK-ID: 2108153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01943798065368186 3.9304e-08  
a 2.723958406974676 1.906e-08 au
q 2.671010156158468 1.0152e-07 au
i 1.055976065962496 4.8344e-06 deg
node 229.5636237163516 0.00023523 deg
peri 252.020772507334 0.00026977 deg
M 176.4046454083487 0.00013184 deg
tp 2458195.850674558660
(2018-Mar-18.35067456)
0.00060092 TDB
period 1642.098236632793
4.50
1.7235e-05
4.719e-08
d
yr
n .2192317073174614 2.301e-09 deg/d
Q 2.776906657790884 1.9431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      7543 days (20.65 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:03:42  

Additional Information
 Earth MOID = 1.68672 au 
 Jupiter MOID = 2.21334 au 
 T_jup = 3.357 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO432606  

108153 (2001 HR2)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2029-Jun-26 17:31 00:01 Psych 0.0343658631131555 0.034362449179411 0.0343692771881354 2.41342561758379 2.41342547170505 2462314.229703385 1.37738792804947 204.843741923694 50.5752621294549 -35.2818391711891 62031.2619058569 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 03:03:54 2020-Feb-24 03:04

Alternate Designations
 2001 HR2 = 2003 UG267 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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