🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 14.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.92 AU - 1.16 AU

Year: 674 Days

Day: 8.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,893,510 km

• M1: 182,809 km (0.089 R)
• M2: 651,499 km (0.088 R)
• M3: 1,128,716 km (0.056 R)
• M4: 1,861,297 km (0.115 R)
• M5: 2,390,125 km (0.115 R)
• M6: 3,285,468 km (0.062 R)
• M7: 4,166,002 km (0.116 R)
• M8: 4,632,448 km (0.05 R)
• M9: 5,954,743 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 11

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1 AU - 1.44 AU

Year: 857 Days

Day: 13.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,893,510 km

• M1: 136,732 km (0.106 R)
• M2: 584,628 km (0.055 R)
• M3: 1,225,655 km (0.025 R)
• M4: 2,034,232 km (0.066 R)
• M5: 2,616,467 km (0.113 R)
• M6: 3,421,303 km (0.115 R)
• M7: 4,231,376 km (0.068 R)
• M8: 4,900,826 km (0.051 R)
• M9: 5,319,850 km (0.099 R)
• M10: 5,680,381 km (0.081 R)
• M11: 6,035,975 km (0.109 R)
• M12: 6,563,307 km (0.117 R)
• M13: 7,026,014 km (0.105 R)
• M14: 7,735,556 km (0.101 R)
• M15: 9,326,380 km (0.026 R)
• M16: 10,122,839 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 11.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.12 AU - 3.42 AU

Year: 3760 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,893,510 km

• M1: 145,559 km (0.115 R)
• M2: 548,127 km (0.098 R)
• M3: 1,117,047 km (0.063 R)
• M4: 3,109,691 km (0.047 R)
• M5: 4,109,753 km (0.102 R)
• M6: 5,068,077 km (0.055 R)
• M7: 5,635,501 km (0.118 R)
• M8: 6,397,703 km (0.117 R)
• M9: 7,144,046 km (0.083 R)
• M10: 7,653,876 km (0.072 R)
• M11: 10,184,773 km (0.109 R)
• M12: 11,277,735 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 9.8

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.43 AU - 3.61 AU

Year: 4199 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,893,510 km

• M1: 121,922 km (0.087 R)
• M2: 919,279 km (0.114 R)
• M3: 2,030,791 km (0.056 R)
• M4: 2,359,906 km (0.044 R)
• M5: 2,903,096 km (0.049 R)
• M6: 4,629,905 km (0.062 R)
• M7: 5,917,493 km (0.087 R)
• M8: 6,855,622 km (0.115 R)
• M9: 7,604,509 km (0.06 R)
• M10: 8,867,713 km (0.076 R)
• M11: 10,051,331 km (0.089 R)
• M12: 10,526,903 km (0.073 R)
• M13: 19,119,206 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 9.8

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.77 AU - 5.73 AU

Year: 6582 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,893,510 km

• M1: 170,093 km (0.07 R)
• M2: 507,137 km (0.088 R)
• M3: 1,047,783 km (0.059 R)
• M4: 1,434,195 km (0.087 R)
• M5: 1,757,625 km (0.101 R)
• M6: 3,354,882 km (0.106 R)
• M7: 3,741,592 km (0.043 R)
• M8: 4,714,726 km (0.106 R)
• M9: 5,230,989 km (0.092 R)
• M10: 6,548,198 km (0.063 R)
• M11: 7,798,387 km (0.117 R)
• M12: 8,114,338 km (0.107 R)
• M13: 8,646,159 km (0.077 R)
• M14: 9,244,550 km (0.095 R)
• M15: 10,147,224 km (0.04 R)
• M16: 11,057,975 km (0.117 R)
• M17: 11,866,552 km (0.07 R)
• M18: 12,391,640 km (0.079 R)
• M19: 13,714,983 km (0.082 R)
• M20: 14,293,329 km (0.086 R)
• M21: 16,382,014 km (0.111 R)
• M22: 18,736,834 km (0.119 R)
• M23: 19,738,990 km (0.065 R)
• M24: 21,231,977 km (0.103 R)
• M25: 22,163,224 km (0.098 R)
• M26: 22,559,209 km (0.105 R)
• M27: 23,693,012 km (0.095 R)
• M28: 24,023,772 km (0.114 R)
• M29: 27,322,256 km (0.065 R)
• M30: 28,330,695 km (0.105 R)
• M31: 31,905,187 km (0.087 R)
• M32: 36,754,551 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.8

Radius: 3

Gravity: 93.31 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.82 AU - 10.04 AU

Year: 15562 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,893,510 km

• M1: 49,367 km (0.092 R)
• M2: 230,381 km (0.049 R)
• M3: 760,556 km (0.05 R)
• M4: 1,377,647 km (0.11 R)
• M5: 2,467,018 km (0.111 R)
• M6: 5,102,335 km (0.047 R)
• M7: 5,588,677 km (0.096 R)
• M8: 8,696,124 km (0.067 R)
• M9: 11,681,799 km (0.059 R)
• M10: 12,856,291 km (0.109 R)
• M11: 15,059,419 km (0.12 R)
• M12: 16,687,044 km (0.114 R)
• M13: 25,952,538 km (0.08 R)
• M14: 28,969,927 km (0.059 R)
• M15: 29,319,088 km (0.034 R)
• M16: 29,907,008 km (0.076 R)
• M17: 30,025,489 km (0.118 R)
• M18: 33,728,934 km (0.112 R)
• M19: 34,765,498 km (0.077 R)
• M20: 40,848,596 km (0.044 R)
• M21: 45,067,406 km (0.097 R)
• M22: 45,535,797 km (0.101 R)
• M23: 46,482,602 km (0.105 R)
• M24: 62,686,295 km (0.068 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 10,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit