🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 11.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.07 AU

Year: 580 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,457,426 km

• M1: 140,472 km (0.109 R)
• M2: 597,494 km (0.077 R)
• M3: 991,983 km (0.074 R)
• M4: 1,467,406 km (0.098 R)
• M5: 1,819,260 km (0.031 R)
• M6: 2,204,175 km (0.118 R)
• M7: 3,441,499 km (0.091 R)
• M8: 3,807,415 km (0.1 R)
• M9: 4,186,945 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 8.5

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.9 AU - 1.4 AU

Year: 851 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,457,426 km

• M1: 105,766 km (0.12 R)
• M2: 386,411 km (0.091 R)
• M3: 675,883 km (0.079 R)
• M4: 1,129,913 km (0.087 R)
• M5: 1,610,271 km (0.115 R)
• M6: 2,329,538 km (0.113 R)
• M7: 2,913,718 km (0.096 R)
• M8: 3,247,620 km (0.111 R)
• M9: 3,622,064 km (0.091 R)
• M10: 3,992,917 km (0.105 R)
• M11: 4,423,310 km (0.073 R)
• M12: 4,739,111 km (0.09 R)
• M13: 5,088,721 km (0.072 R)
• M14: 5,376,847 km (0.09 R)
• M15: 5,986,009 km (0.108 R)
• M16: 7,245,474 km (0.096 R)
• M17: 7,685,441 km (0.097 R)
• M18: 8,646,009 km (0.069 R)
• M19: 9,141,178 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.6

Radius: 11.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.44 AU - 1.6 AU

Year: 1294 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,457,426 km

• M1: 159,471 km (0.047 R)
• M2: 612,154 km (0.105 R)
• M3: 998,865 km (0.037 R)
• M4: 1,513,182 km (0.083 R)
• M5: 3,032,349 km (0.069 R)
• M6: 3,467,679 km (0.098 R)
• M7: 3,845,862 km (0.098 R)
• M8: 4,630,054 km (0.106 R)
• M9: 5,090,367 km (0.081 R)
• M10: 5,991,844 km (0.106 R)
• M11: 6,947,624 km (0.074 R)
• M12: 9,429,303 km (0.069 R)
• M13: 10,459,883 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 14.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.23 AU - 2.93 AU

Year: 2860 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,457,426 km

• M1: 184,305 km (0.106 R)
• M2: 735,573 km (0.083 R)
• M3: 1,226,403 km (0.08 R)
• M4: 1,682,677 km (0.103 R)
• M5: 2,335,522 km (0.043 R)
• M6: 3,466,931 km (0.094 R)
• M7: 4,443,356 km (0.033 R)
• M8: 5,137,191 km (0.108 R)
• M9: 5,969,404 km (0.109 R)
• M10: 7,741,091 km (0.115 R)
• M11: 8,603,523 km (0.111 R)
• M12: 9,253,825 km (0.096 R)
• M13: 10,064,346 km (0.116 R)
• M14: 10,619,504 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 13.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.67 AU - 3.87 AU

Year: 4082 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,457,426 km

• M1: 166,951 km (0.116 R)
• M2: 780,003 km (0.097 R)
• M3: 1,294,171 km (0.107 R)
• M4: 2,108,582 km (0.115 R)
• M5: 2,639,654 km (0.111 R)
• M6: 4,391,445 km (0.11 R)
• M7: 5,383,429 km (0.11 R)
• M8: 5,820,105 km (0.05 R)
• M9: 6,359,555 km (0.079 R)
• M10: 7,391,481 km (0.109 R)
• M11: 8,244,339 km (0.071 R)
• M12: 9,786,842 km (0.102 R)
• M13: 11,006,663 km (0.103 R)
• M14: 12,745,290 km (0.078 R)
• M15: 13,218,019 km (0.073 R)
• M16: 15,858,421 km (0.083 R)
• M17: 17,068,967 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.3

Radius: 6.3

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.92 AU - 6.42 AU

Year: 9319 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 97.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,457,426 km

• M1: 114,891 km (0.118 R)
• M2: 340,335 km (0.108 R)
• M3: 608,564 km (0.081 R)
• M4: 948,301 km (0.1 R)
• M5: 1,929,663 km (0.032 R)
• M6: 2,687,077 km (0.06 R)
• M7: 4,212,078 km (0.088 R)
• M8: 4,429,593 km (0.091 R)
• M9: 6,925,334 km (0.091 R)
• M10: 8,362,521 km (0.041 R)
• M11: 8,576,745 km (0.113 R)
• M12: 9,196,230 km (0.069 R)
• M13: 10,277,972 km (0.039 R)
• M14: 14,393,410 km (0.11 R)
• M15: 17,188,347 km (0.087 R)
• M16: 17,535,114 km (0.083 R)
• M17: 19,042,911 km (0.116 R)
• M18: 20,557,440 km (0.11 R)
• M19: 22,150,508 km (0.117 R)
• M20: 23,909,779 km (0.112 R)
• M21: 24,255,200 km (0.093 R)
• M22: 30,952,996 km (0.064 R)
• M23: 33,901,570 km (0.059 R)
• M24: 39,382,836 km (0.058 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 11,919 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit