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574 Reginhild (A905 SH)
Classification: Main-belt Asteroid          SPK-ID: 2000574
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384237459226616 2.8418e-08  
a 2.252975116268121 4.3564e-09 au
q 1.715812349576931 6.4117e-08 au
i 5.684789644044792 4.184e-06 deg
node 336.6525415960562 3.1962e-05 deg
peri 77.07171353123823 3.3317e-05 deg
M 297.5826564117217 8.2188e-06 deg
tp 2459214.658738659855
(2020-Dec-31.15873866)
2.8247e-05 TDB
period 1235.187873840026
3.38
3.5826e-06
9.809e-09
d
yr
n .2914536384500038 8.4534e-10 deg/d
Q 2.79013788295931 5.3951e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2257  
   data-arc span      42039 days (115.10 yr)  
   first obs. used      1905-09-19  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:08  

Additional Information
 Earth MOID = .737691 au 
 Jupiter MOID = 2.6113 au 
 T_jup = 3.581 
[ 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 12.30   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
diameter diameter 8.456 km 0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.339 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2011) Minor Planet Bull. 38, 76-78.]
geometric albedo albedo 0.298   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)

574 Reginhild (A905 SH)          Discovered 1905-Sep-19 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
2006-Jan-04 12:48 00:01 Amphi 0.0284821349423987 0.0284815117316476 0.0284827581532522 1.99751160321154 1.99751150216739 2453740.033649073 1.31462477049371 51.5490613189188 30.9461880861095 -87.2232715940142 137300.879620481 T 35 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:14 2020-Nov-13 04:28

Alternate Designations
 A905 SH = 1947 BB = A912 YB = A922 TB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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