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3692 Rickman (1982 HF1)
Classification: Main-belt Asteroid          SPK-ID: 2003692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503044674648922 2.5204e-08  
a 2.722505317731098 1.0465e-08 au
q 2.313300605779188 6.9495e-08 au
i 11.41009877124341 1.0423e-06 deg
node 219.5661399968725 4.4513e-06 deg
peri 9.517663532534822 6.6921e-06 deg
M 211.2730144878258 8.3413e-06 deg
tp 2459878.358126039039
(2022-Oct-25.85812604)
4.0015e-05 TDB
period 1640.784451682972
4.49
9.4605e-06
2.59e-08
d
yr
n .2194072473265722 1.2651e-09 deg/d
Q 3.131710029683008 1.2038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2356  
   data-arc span      25393 days (69.52 yr)  
   first obs. used      1951-08-26  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .479  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:25:57  

Additional Information
 Earth MOID = 1.30323 au 
 Jupiter MOID = 1.85503 au 
 T_jup = 3.313 
[ 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 13.41   n/a E2021B10  
diameter diameter 12.405 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.793 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.033   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3692 Rickman (1982 HF1)          Discovered 1982-Apr-25 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 HF1 = 1937 JA = 1979 UC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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