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1204 Renzia (1931 TE)
Classification: Mars-crossing Asteroid          SPK-ID: 2001204
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2936555472754195 1.7579e-08  
a 2.263553690981781 3.6434e-09 au
q 1.598848593069231 4.0816e-08 au
i 1.879096898757445 7.1934e-07 deg
node 7.540173672782983 2.0444e-05 deg
peri 313.7001039070417 2.0419e-05 deg
M 97.66539461642725 2.3201e-06 deg
tp 2458863.039585395413
(2020-Jan-14.53958540)
7.4969e-06 TDB
period 1243.897592742818
3.41
3.0033e-06
8.223e-09
d
yr
n .289412892267275 6.9876e-10 deg/d
Q 2.928258788894332 4.7134e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3381  
   data-arc span      32677 days (89.46 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:16:47  

Additional Information
 Earth MOID = .585031 au 
 Jupiter MOID = 2.4066 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456514.5 (2013-Aug-10.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .292747544953217 1.7483e-08  
q 1.600816405842904 4.0561e-08 au
tp 2456373.672193003526
(2013-Mar-22.17219300)
6.2228e-06 TDB
node 7.709058362138358 2.0486e-05 deg
peri 313.2238681802906 2.0461e-05 deg
i 1.878336308388982 7.185e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3381  
   data-arc span      32677 days (89.46 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:16:47  

Additional Information
 Jupiter MOID = 2.4066 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.056622018093498E-16 -7.07895916669639E-16 -5.146978453103914E-14 4.954789259942428E-14 -5.068572226250549E-14 6.596403637074622E-16
q -7.07895916669639E-16 1.645213600957685E-15 1.126134123559995E-13 -1.146197622637973E-13 1.167524840027669E-13 -1.597826418784674E-15
tp -5.146978453103914E-14 1.126134123559995E-13 3.872279694648588E-11 -3.862569754551342E-12 1.14684913604789E-11 -5.627254323514973E-13
node 4.954789259942428E-14 -1.146197622637973E-13 -3.862569754551342E-12 4.196838325742732E-10 -4.178662920308648E-10 5.348040114717877E-12
peri -5.068572226250549E-14 1.167524840027669E-13 1.14684913604789E-11 -4.178662920308648E-10 4.186363664328115E-10 -5.398506676146276E-12
i 6.596403637074622E-16 -1.597826418784674E-15 -5.627254323514973E-13 5.348040114717877E-12 -5.398506676146276E-12 5.162384725463623E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.03   n/a E2021B10  
rotation period rot_per 7.885 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W.; Bowell, E.; Tholen, D.J. (1999) Icarus 142, 173-201.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
SMASSII spectral type spec_B S   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)

1204 Renzia (1931 TE)          Discovered 1931-Oct-06 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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