🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.3

Radius: 8.6

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.91 AU - 1.07 AU

Year: 680 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,917,350 km

• M1: 106,962 km (0.081 R)
• M2: 393,742 km (0.084 R)
• M3: 750,682 km (0.081 R)
• M4: 1,142,928 km (0.117 R)
• M5: 2,073,875 km (0.104 R)
• M6: 2,907,584 km (0.088 R)
• M7: 3,387,045 km (0.054 R)
• M8: 3,918,417 km (0.111 R)
• M9: 5,294,119 km (0.049 R)
• M10: 5,673,499 km (0.073 R)
• M11: 6,877,313 km (0.118 R)
• M12: 7,825,614 km (0.087 R)
• M13: 8,624,317 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 10

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.81 AU - 3.61 AU

Year: 3970 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,917,350 km

• M1: 135,685 km (0.081 R)
• M2: 462,856 km (0.082 R)
• M3: 892,650 km (0.097 R)
• M4: 1,436,588 km (0.082 R)
• M5: 1,929,663 km (0.081 R)
• M6: 3,361,763 km (0.098 R)
• M7: 5,425,915 km (0.117 R)
• M8: 5,825,341 km (0.116 R)
• M9: 6,244,215 km (0.093 R)
• M10: 6,767,658 km (0.066 R)
• M11: 10,280,515 km (0.113 R)
• M12: 15,242,527 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 14.2

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.69 AU - 5.65 AU

Year: 8114 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,917,350 km

• M1: 176,675 km (0.092 R)
• M2: 623,823 km (0.109 R)
• M3: 1,417,290 km (0.114 R)
• M4: 3,077,827 km (0.107 R)
• M5: 4,928,203 km (0.115 R)
• M6: 5,736,181 km (0.067 R)
• M7: 6,366,137 km (0.047 R)
• M8: 6,834,379 km (0.071 R)
• M9: 7,361,562 km (0.113 R)
• M10: 10,787,802 km (0.116 R)
• M11: 11,553,444 km (0.09 R)
• M12: 12,201,950 km (0.113 R)
• M13: 14,407,921 km (0.03 R)
• M14: 19,180,392 km (0.081 R)
• M15: 24,103,059 km (0.117 R)
• M16: 32,090,987 km (0.113 R)
• M17: 33,174,375 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 11.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.15 AU - 5.61 AU

Year: 8614 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,917,350 km

• M1: 143,165 km (0.116 R)
• M2: 705,952 km (0.025 R)
• M3: 1,844,841 km (0.026 R)
• M4: 2,274,037 km (0.112 R)
• M5: 3,222,338 km (0.051 R)
• M6: 5,131,357 km (0.117 R)
• M7: 6,942,837 km (0.061 R)
• M8: 7,618,272 km (0.092 R)
• M9: 10,207,212 km (0.036 R)
• M10: 11,347,447 km (0.092 R)
• M11: 13,757,319 km (0.105 R)
• M12: 14,189,807 km (0.048 R)
• M13: 14,952,457 km (0.104 R)
• M14: 15,608,593 km (0.096 R)
• M15: 16,147,295 km (0.087 R)
• M16: 17,049,071 km (0.082 R)
• M17: 19,488,863 km (0.106 R)
• M18: 19,956,206 km (0.103 R)
• M19: 20,913,483 km (0.037 R)
• M20: 22,919,591 km (0.041 R)
• M21: 26,353,161 km (0.029 R)
• M22: 27,994,998 km (0.05 R)
• M23: 28,690,328 km (0.081 R)
• M24: 31,694,852 km (0.101 R)
• M25: 34,788,985 km (0.112 R)
• M26: 35,708,713 km (0.072 R)
• M27: 37,596,787 km (0.086 R)
• M28: 42,868,167 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.3

Radius: 5.3

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.91 AU - 6.85 AU

Year: 11124 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,917,350 km

• M1: 67,020 km (0.078 R)
• M2: 397,033 km (0.037 R)
• M3: 684,261 km (0.088 R)
• M4: 892,202 km (0.105 R)
• M5: 1,323,193 km (0.089 R)
• M6: 2,552,289 km (0.103 R)
• M7: 4,526,981 km (0.101 R)
• M8: 5,296,513 km (0.075 R)
• M9: 6,812,837 km (0.088 R)
• M10: 10,035,175 km (0.056 R)
• M11: 13,270,528 km (0.105 R)
• M12: 15,957,306 km (0.095 R)
• M13: 19,329,242 km (0.106 R)
• M14: 27,438,942 km (0.093 R)
• M15: 29,312,805 km (0.063 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 17,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit