🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 15

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.49 AU - 0.53 AU

Year: 256 Days

Day: 8.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,784,237 km

• M1: 187,596 km (0.072 R)
• M2: 667,057 km (0.082 R)
• M3: 1,173,147 km (0.076 R)
• M4: 1,961,228 km (0.085 R)
• M5: 2,605,995 km (0.111 R)
• M6: 3,324,214 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 10.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.74 AU

Year: 335 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,784,237 km

• M1: 127,158 km (0.097 R)
• M2: 511,924 km (0.056 R)
• M3: 873,652 km (0.08 R)
• M4: 1,574,667 km (0.119 R)
• M5: 2,077,316 km (0.083 R)
• M6: 2,418,698 km (0.078 R)
• M7: 2,851,335 km (0.091 R)
• M8: 3,315,238 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 11

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.06 AU - 1.32 AU

Year: 912 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,784,237 km

• M1: 136,732 km (0.107 R)
• M2: 505,192 km (0.093 R)
• M3: 887,863 km (0.11 R)
• M4: 1,560,306 km (0.067 R)
• M5: 2,204,025 km (0.098 R)
• M6: 2,547,353 km (0.05 R)
• M7: 3,831,501 km (0.086 R)
• M8: 4,349,408 km (0.041 R)
• M9: 4,876,741 km (0.034 R)
• M10: 6,038,967 km (0.079 R)
• M11: 7,161,250 km (0.098 R)
• M12: 7,523,576 km (0.099 R)
• M13: 8,129,148 km (0.095 R)
• M14: 9,697,682 km (0.114 R)
• M15: 10,172,206 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.7

Radius: 14

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1 AU - 1.4 AU

Year: 924 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,784,237 km

• M1: 174,581 km (0.115 R)
• M2: 641,625 km (0.059 R)
• M3: 1,094,907 km (0.056 R)
• M4: 1,630,617 km (0.05 R)
• M5: 2,586,098 km (0.042 R)
• M6: 3,062,418 km (0.064 R)
• M7: 3,888,497 km (0.111 R)
• M8: 4,404,161 km (0.1 R)
• M9: 5,105,327 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.9

Radius: 9.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.27 AU - 3.25 AU

Year: 3223 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,784,237 km

• M1: 120,576 km (0.038 R)
• M2: 738,415 km (0.092 R)
• M3: 1,083,238 km (0.099 R)
• M4: 1,537,417 km (0.118 R)
• M5: 2,115,613 km (0.11 R)
• M6: 2,927,182 km (0.115 R)
• M7: 3,875,482 km (0.118 R)
• M8: 4,548,673 km (0.119 R)
• M9: 5,639,541 km (0.09 R)
• M10: 6,476,541 km (0.034 R)
• M11: 6,782,767 km (0.113 R)
• M12: 7,364,254 km (0.046 R)
• M13: 7,853,140 km (0.092 R)
• M14: 8,560,589 km (0.083 R)
• M15: 11,944,941 km (0.072 R)
• M16: 13,055,406 km (0.053 R)
• M17: 15,579,571 km (0.096 R)
• M18: 18,136,797 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.8

Radius: 3

Gravity: 107.76 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.67 AU - 6.27 AU

Year: 10253 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 34,784,237 km

• M1: 37,699 km (0.117 R)
• M2: 171,888 km (0.114 R)
• M3: 335,398 km (0.053 R)
• M4: 474,824 km (0.085 R)
• M5: 588,518 km (0.117 R)
• M6: 756,217 km (0.072 R)
• M7: 1,078,301 km (0.12 R)
• M8: 1,343,688 km (0.07 R)
• M9: 1,441,375 km (0.093 R)
• M10: 1,863,241 km (0.09 R)
• M11: 2,653,268 km (0.094 R)
• M12: 3,109,990 km (0.119 R)
• M13: 4,118,280 km (0.1 R)
• M14: 4,385,611 km (0.066 R)
• M15: 4,696,027 km (0.049 R)
• M16: 5,500,714 km (0.104 R)
• M17: 9,953,943 km (0.069 R)
• M18: 12,573,551 km (0.082 R)
• M19: 13,843,189 km (0.107 R)
• M20: 13,974,685 km (0.091 R)
• M21: 14,240,221 km (0.084 R)
• M22: 15,689,376 km (0.056 R)
• M23: 16,120,816 km (0.065 R)
• M24: 17,007,184 km (0.119 R)
• M25: 17,158,128 km (0.085 R)
• M26: 19,282,717 km (0.039 R)
• M27: 20,365,656 km (0.119 R)
• M28: 20,965,094 km (0.089 R)
• M29: 28,994,760 km (0.082 R)
• M30: 31,195,943 km (0.099 R)
• M31: 40,709,620 km (0.071 R)
• M32: 43,322,496 km (0.026 R)
• M33: 44,741,582 km (0.077 R)
• M34: 47,522,606 km (0.063 R)
• M35: 48,122,493 km (0.079 R)
• M36: 54,400,667 km (0.026 R)
• M37: 54,728,137 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.1

Radius: 7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.98 AU - 10.82 AU

Year: 23575 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,784,237 km

• M1: 88,712 km (0.113 R)
• M2: 1,213,388 km (0.107 R)
• M3: 1,887,626 km (0.107 R)
• M4: 5,734,834 km (0.094 R)
• M5: 8,001,392 km (0.036 R)
• M6: 9,440,972 km (0.1 R)
• M7: 10,107,730 km (0.072 R)
• M8: 12,400,915 km (0.091 R)
• M9: 14,550,039 km (0.052 R)
• M10: 15,138,557 km (0.025 R)
• M11: 18,663,531 km (0.089 R)
• M12: 23,732,206 km (0.079 R)
• M13: 24,219,147 km (0.091 R)
• M14: 24,962,050 km (0.09 R)
• M15: 26,754,382 km (0.039 R)
• M16: 27,017,375 km (0.102 R)
• M17: 28,176,460 km (0.097 R)
• M18: 31,073,572 km (0.065 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 19,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit