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3492 Petra-Pepi (1985 DQ)
Classification: Main-belt Asteroid          SPK-ID: 2003492
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431708516507182 5.1737e-08  
a 2.616614516192108 1.4824e-08 au
q 2.241991587467252 1.3572e-07 au
i 13.62198071116529 5.1647e-06 deg
node 138.8201745861575 2.4054e-05 deg
peri 97.23033038125497 3.1348e-05 deg
M 45.67482560415058 1.7882e-05 deg
tp 2457204.352650710796
(2015-Jun-30.85265071)
7.6997e-05 JED
period 1545.994862817752
4.23
1.3138e-05
3.597e-08
d
yr
n .2328597647108989 1.9789e-09 deg/d
Q 2.991237444916964 1.6947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      23617 days (64.66 yr)  
   first obs. used      1951-02-10  
   last obs. used      2015-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49669  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 16:01:26  

Additional Information
 Earth MOID = 1.27814 au 
 Jupiter MOID = 2.16518 au 
 T_jup = 3.353 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7 mag n/a MPO267721  
rotation period rot_per 47.05 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2011) Minor Planet Bul. 38, 211-212.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]

3492 Petra-Pepi (1985 DQ)          Discovered 1985-Feb-16 by Mahrova, M. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 DQ = 1951 CG = 1977 JD1 = 1978 SA1 = 1978 TK9 = 1980 CB 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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