🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.2

Radius: 8.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.6 AU - 0.62 AU

Year: 329 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,828,481 km

• M1: 112,647 km (0.112 R)
• M2: 381,923 km (0.039 R)
• M3: 766,091 km (0.083 R)
• M4: 1,187,508 km (0.088 R)
• M5: 1,499,569 km (0.115 R)
• M6: 1,932,206 km (0.066 R)
• M7: 2,292,737 km (0.077 R)
• M8: 2,791,347 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 9.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.58 AU - 0.88 AU

Year: 431 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,828,481 km

• M1: 115,789 km (0.098 R)
• M2: 405,111 km (0.107 R)
• M3: 696,228 km (0.031 R)
• M4: 1,253,032 km (0.081 R)
• M5: 1,858,754 km (0.08 R)
• M6: 2,166,327 km (0.11 R)
• M7: 2,877,216 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 11.8

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,828,481 km

• M1: 146,756 km (0.087 R)
• M2: 600,785 km (0.067 R)
• M3: 1,126,322 km (0.076 R)
• M4: 1,582,895 km (0.082 R)
• M5: 2,350,631 km (0.079 R)
• M6: 2,727,917 km (0.075 R)
• M7: 3,999,798 km (0.117 R)
• M8: 4,634,991 km (0.093 R)
• M9: 6,374,066 km (0.09 R)
• M10: 7,012,849 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 10

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.69 AU - 0.99 AU

Year: 531 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,828,481 km

• M1: 124,465 km (0.101 R)
• M2: 467,942 km (0.087 R)
• M3: 851,661 km (0.113 R)
• M4: 1,229,694 km (0.099 R)
• M5: 1,641,388 km (0.056 R)
• M6: 2,258,778 km (0.092 R)
• M7: 2,804,062 km (0.054 R)
• M8: 3,939,810 km (0.092 R)
• M9: 5,340,644 km (0.092 R)
• M10: 6,550,292 km (0.104 R)
• M11: 6,963,332 km (0.068 R)
• M12: 7,306,360 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 8.3

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.05 AU - 1.53 AU

Year: 1011 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,828,481 km

• M1: 103,223 km (0.068 R)
• M2: 422,764 km (0.109 R)
• M3: 748,438 km (0.119 R)
• M4: 1,090,419 km (0.082 R)
• M5: 1,350,420 km (0.104 R)
• M6: 1,695,393 km (0.077 R)
• M7: 2,719,240 km (0.116 R)
• M8: 3,007,366 km (0.073 R)
• M9: 3,557,437 km (0.109 R)
• M10: 3,841,374 km (0.081 R)
• M11: 4,108,257 km (0.056 R)
• M12: 4,506,187 km (0.079 R)
• M13: 5,437,733 km (0.118 R)
• M14: 6,042,707 km (0.047 R)
• M15: 7,825,614 km (0.038 R)
• M16: 9,530,132 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.4

Radius: 4

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.49 AU - 5.85 AU

Year: 9319 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 25,828,481 km

• M1: 49,966 km (0.096 R)
• M2: 185,501 km (0.068 R)
• M3: 351,256 km (0.071 R)
• M4: 752,776 km (0.106 R)
• M5: 1,071,869 km (0.1 R)
• M6: 1,626,428 km (0.113 R)
• M7: 1,774,979 km (0.106 R)
• M8: 2,171,712 km (0.112 R)
• M9: 3,330,497 km (0.116 R)
• M10: 3,865,908 km (0.087 R)
• M11: 4,848,916 km (0.045 R)
• M12: 5,617,998 km (0.093 R)
• M13: 5,786,745 km (0.115 R)
• M14: 6,134,261 km (0.074 R)
• M15: 6,373,617 km (0.105 R)
• M16: 7,977,905 km (0.116 R)
• M17: 8,408,298 km (0.069 R)
• M18: 9,006,091 km (0.091 R)
• M19: 9,792,377 km (0.12 R)
• M20: 10,285,602 km (0.041 R)
• M21: 10,495,936 km (0.111 R)
• M22: 10,795,132 km (0.046 R)
• M23: 11,500,486 km (0.034 R)
• M24: 12,472,274 km (0.115 R)
• M25: 13,298,054 km (0.032 R)
• M26: 15,274,391 km (0.082 R)
• M27: 18,100,744 km (0.12 R)
• M28: 19,348,091 km (0.098 R)
• M29: 20,651,537 km (0.112 R)
• M30: 20,851,998 km (0.095 R)
• M31: 22,012,429 km (0.11 R)
• M32: 24,911,486 km (0.036 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 12,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit