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30792 (1988 RP12)
Classification: Jupiter Trojan          SPK-ID: 2030792
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03577768580111049 5.7951e-08  
a 5.224644982146657 9.955e-08 au
q 5.037719275553065 3.1166e-07 au
i 4.361720150253789 4.9909e-06 deg
node 157.4679858712151 7.8776e-05 deg
peri 63.67608405256529 0.00010782 deg
M 24.66903687826633 7.0679e-05 deg
tp 2458901.594918599278
(2020-Feb-22.09491860)
0.00086038 TDB
period 4361.979344198136
11.94
0.00012467
3.413e-07
d
yr
n .08253133992457702 2.3588e-09 deg/d
Q 5.411570688740249 1.0311e-07 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      11679 days (31.98 yr)  
   first obs. used      1988-09-14  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:04  

Additional Information
 Earth MOID = 4.0312 au 
 Jupiter MOID = .256022 au 
 T_jup = 2.993 
[ 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 12.41   n/a E2021B10  
diameter diameter 18.407 km 0.713 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.109   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

30792 (1988 RP12)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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