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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2289480387427881 3.8027e-08  
a 1.740444392029507 3.8991e-09 au
q 1.341973061933467 6.5075e-08 au
i 23.44135434219599 6.6205e-06 deg
node 343.4421956238464 8.0775e-06 deg
peri 280.7057792581022 1.7329e-05 deg
M 255.8429489474398 1.5857e-05 deg
tp 2459443.146945928168
(2021-Aug-16.64694593)
3.7123e-05 TDB
period 838.6652622303988
2.30
2.8183e-06
7.716e-09
d
yr
n .4292535010244654 1.4425e-09 deg/d
Q 2.138915722125546 4.7918e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      24489 days (67.05 yr)  
   first obs. used      1954-01-05  
   last obs. used      2021-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:04:27  

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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