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2629 Rudra (1980 RB1)
Classification: Mars-crossing Asteroid          SPK-ID: 2002629
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289480308941663 1.6438e-08  
a 1.740444392810741 3.351e-09 au
q 1.341973076195929 2.8077e-08 au
i 23.44134374184404 3.7479e-07 deg
node 343.4422023973653 2.2433e-06 deg
peri 280.7057665416926 3.1325e-06 deg
M 255.8429551880134 4.0132e-06 deg
tp 2459443.146931553343
(2021-Aug-16.64693155)
9.8196e-06 TDB
period 838.6652627950768
2.30
2.4221e-06
6.631e-09
d
yr
n .4292535007354465 1.2397e-09 deg/d
Q 2.138915709425553 4.1182e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      24541 days (67.19 yr)  
   first obs. used      1954-01-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:02:29  

Additional Information
 Earth MOID = .483875 au 
 Jupiter MOID = 3.20142 au 
 T_jup = 4.023 
[ 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 15.1   n/a MPO502178  
diameter diameter 4.747 km 1.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 123.171 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 0.066   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2629 Rudra (1980 RB1)          Discovered 1980-Sep-13 by Kowal, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 RB1 = 1959 EH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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