🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 11.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.72 AU - 0.72 AU

Year: 401 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,294,941 km

• M1: 147,952 km (0.085 R)
• M2: 528,529 km (0.063 R)
• M3: 935,884 km (0.114 R)
• M4: 1,352,365 km (0.112 R)
• M5: 1,803,402 km (0.092 R)
• M6: 2,391,322 km (0.054 R)
• M7: 3,902,111 km (0.11 R)
• M8: 5,230,989 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 11.6

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.91 AU - 0.95 AU

Year: 588 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,294,941 km

• M1: 144,512 km (0.052 R)
• M2: 684,859 km (0.068 R)
• M3: 1,445,863 km (0.09 R)
• M4: 1,935,198 km (0.1 R)
• M5: 2,375,913 km (0.096 R)
• M6: 2,950,519 km (0.119 R)
• M7: 4,291,365 km (0.11 R)
• M8: 4,667,304 km (0.117 R)
• M9: 5,451,346 km (0.059 R)
• M10: 5,839,104 km (0.099 R)
• M11: 6,709,913 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 10.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.46 AU - 1.72 AU

Year: 1315 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,294,941 km

• M1: 136,433 km (0.097 R)
• M2: 593,156 km (0.093 R)
• M3: 1,016,218 km (0.072 R)
• M4: 1,481,917 km (0.077 R)
• M5: 2,412,864 km (0.059 R)
• M6: 2,992,855 km (0.099 R)
• M7: 3,503,133 km (0.04 R)
• M8: 3,983,492 km (0.118 R)
• M9: 4,469,984 km (0.056 R)
• M10: 5,540,806 km (0.12 R)
• M11: 6,408,324 km (0.034 R)
• M12: 7,311,596 km (0.047 R)
• M13: 7,739,446 km (0.096 R)
• M14: 8,297,595 km (0.09 R)
• M15: 9,369,913 km (0.025 R)
• M16: 12,756,061 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 10.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.45 AU - 2.15 AU

Year: 1584 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,294,941 km

• M1: 147,055 km (0.117 R)
• M2: 504,893 km (0.061 R)
• M3: 1,088,624 km (0.068 R)
• M4: 1,434,644 km (0.09 R)
• M5: 1,864,139 km (0.026 R)
• M6: 2,660,000 km (0.089 R)
• M7: 3,011,854 km (0.107 R)
• M8: 3,435,216 km (0.088 R)
• M9: 4,214,022 km (0.082 R)
• M10: 4,932,541 km (0.119 R)
• M11: 5,579,402 km (0.067 R)
• M12: 6,201,131 km (0.076 R)
• M13: 6,612,824 km (0.102 R)
• M14: 6,998,787 km (0.104 R)
• M15: 7,445,486 km (0.117 R)
• M16: 8,199,609 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.3

Radius: 11.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.63 AU - 3.01 AU

Year: 3107 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,294,941 km

• M1: 144,212 km (0.09 R)
• M2: 526,585 km (0.05 R)
• M3: 1,093,261 km (0.081 R)
• M4: 1,674,599 km (0.093 R)
• M5: 2,148,375 km (0.116 R)
• M6: 3,705,240 km (0.115 R)
• M7: 4,295,703 km (0.105 R)
• M8: 5,193,739 km (0.088 R)
• M9: 5,754,282 km (0.093 R)
• M10: 6,378,853 km (0.091 R)
• M11: 7,151,077 km (0.083 R)
• M12: 10,235,786 km (0.078 R)
• M13: 10,773,291 km (0.078 R)
• M14: 11,614,928 km (0.095 R)
• M15: 12,349,155 km (0.077 R)
• M16: 12,804,381 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.9

Radius: 5.2

Gravity: 26.48 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.54 AU - 10.24 AU

Year: 18876 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,294,941 km

• M1: 64,626 km (0.087 R)
• M2: 227,688 km (0.108 R)
• M3: 398,080 km (0.1 R)
• M4: 606,619 km (0.12 R)
• M5: 1,875,060 km (0.116 R)
• M6: 2,088,985 km (0.057 R)
• M7: 2,407,030 km (0.079 R)
• M8: 4,202,503 km (0.062 R)
• M9: 5,032,472 km (0.086 R)
• M10: 5,447,158 km (0.114 R)
• M11: 6,302,109 km (0.114 R)
• M12: 10,322,403 km (0.115 R)
• M13: 10,502,070 km (0.088 R)
• M14: 10,744,717 km (0.101 R)
• M15: 13,524,246 km (0.117 R)
• M16: 15,622,206 km (0.119 R)
• M17: 16,584,270 km (0.11 R)
• M18: 17,247,139 km (0.063 R)
• M19: 24,028,410 km (0.078 R)
• M20: 24,449,977 km (0.101 R)
• M21: 24,769,368 km (0.105 R)
• M22: 25,744,447 km (0.026 R)
• M23: 29,060,284 km (0.058 R)
• M24: 29,418,870 km (0.088 R)
• M25: 30,022,797 km (0.081 R)
• M26: 32,138,111 km (0.117 R)
• M27: 34,350,813 km (0.041 R)
• M28: 38,356,296 km (0.116 R)
• M29: 39,367,727 km (0.111 R)
• M30: 39,660,041 km (0.11 R)
• M31: 47,609,522 km (0.036 R)
• M32: 61,916,165 km (0.049 R)
• M33: 65,533,890 km (0.082 R)
• M34: 70,788,665 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 11,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit