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JPL Small-Body Database Browser
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1153 Wallenbergia (A924 RJ)
Classification: Main-belt Asteroid          SPK-ID: 2001153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604109616847231 4.2288e-08  
a 2.196082946590634 5.5206e-09 au
q 1.84380716918861 9.4012e-08 au
i 3.335764037546569 4.0165e-06 deg
node 280.4983190487449 6.1953e-05 deg
peri 28.87805068862347 6.2719e-05 deg
M 180.2807186121508 1.0619e-05 deg
tp 2459593.922089919763
(2022-Jan-14.42208992)
3.5865e-05 TDB
period 1188.69801126168
3.25
4.4823e-06
1.227e-08
d
yr
n .3028523616506243 1.142e-09 deg/d
Q 2.548358723992659 6.4062e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2555  
   data-arc span      32758 days (89.69 yr)  
   first obs. used      1930-04-29  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46869  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:52:28  

Additional Information
 Earth MOID = .829981 au 
 Jupiter MOID = 2.68974 au 
 T_jup = 3.650 
[ 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 12.1   n/a MPO347524  
diameter diameter 8.037 km 0.357 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.096 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.433   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1153 Wallenbergia (A924 RJ)          Discovered 1924-Sep-05 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A924 RJ = 1930 HH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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