🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.8 AU - 3.76 AU

Year: 2069 Days

Day: 30.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,241,436 km

• M1: 129,253 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.98 AU - 5.8 AU

Year: 3766 Days

Day: 33.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 10.2

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.08 AU - 8.46 AU

Year: 7543 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,241,436 km

• M1: 129,103 km (0.094 R)
• M2: 533,017 km (0.118 R)
• M3: 1,196,035 km (0.119 R)
• M4: 2,080,757 km (0.114 R)
• M5: 2,750,656 km (0.078 R)
• M6: 3,628,496 km (0.118 R)
• M7: 5,116,397 km (0.108 R)
• M8: 5,576,261 km (0.106 R)
• M9: 6,130,521 km (0.074 R)
• M10: 8,385,409 km (0.043 R)
• M11: 9,516,070 km (0.116 R)
• M12: 11,813,445 km (0.081 R)
• M13: 13,459,620 km (0.106 R)
• M14: 14,638,900 km (0.12 R)
• M15: 15,378,811 km (0.054 R)
• M16: 20,655,576 km (0.083 R)
• M17: 21,429,147 km (0.076 R)
• M18: 25,064,226 km (0.098 R)
• M19: 27,580,163 km (0.11 R)
• M20: 32,071,390 km (0.087 R)
• M21: 33,529,520 km (0.08 R)
• M22: 34,597,799 km (0.084 R)
• M23: 38,053,510 km (0.081 R)
• M24: 38,981,465 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.8

Radius: 14.2

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.63 AU - 8.69 AU

Year: 8118 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,241,436 km

• M1: 176,675 km (0.061 R)
• M2: 726,148 km (0.041 R)
• M3: 1,323,792 km (0.115 R)
• M4: 1,791,883 km (0.09 R)
• M5: 2,404,935 km (0.087 R)
• M6: 3,039,978 km (0.099 R)
• M7: 3,852,744 km (0.031 R)
• M8: 4,701,861 km (0.114 R)
• M9: 5,297,261 km (0.078 R)
• M10: 6,034,778 km (0.105 R)
• M11: 6,607,439 km (0.106 R)
• M12: 7,427,385 km (0.092 R)
• M13: 8,743,996 km (0.114 R)
• M14: 9,229,590 km (0.053 R)
• M15: 11,307,953 km (0.095 R)
• M16: 12,994,819 km (0.106 R)
• M17: 17,049,819 km (0.114 R)
• M18: 17,874,253 km (0.105 R)
• M19: 18,394,704 km (0.055 R)
• M20: 21,806,882 km (0.076 R)
• M21: 23,857,120 km (0.11 R)
• M22: 28,602,664 km (0.066 R)
• M23: 29,405,406 km (0.034 R)
• M24: 29,857,790 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.9

Radius: 11.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.27 AU - 9.47 AU

Year: 8433 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,241,436 km

• M1: 145,559 km (0.117 R)
• M2: 829,670 km (0.085 R)
• M3: 1,608,925 km (0.038 R)
• M4: 1,988,754 km (0.1 R)
• M5: 2,505,465 km (0.088 R)
• M6: 3,021,578 km (0.108 R)
• M7: 4,240,950 km (0.105 R)
• M8: 4,763,346 km (0.097 R)
• M9: 6,223,271 km (0.092 R)
• M10: 7,707,581 km (0.062 R)
• M11: 8,178,516 km (0.077 R)
• M12: 10,054,622 km (0.074 R)
• M13: 11,974,711 km (0.045 R)
• M14: 14,639,797 km (0.116 R)
• M15: 16,318,435 km (0.085 R)
• M16: 19,033,487 km (0.066 R)
• M17: 21,195,625 km (0.075 R)
• M18: 21,951,393 km (0.118 R)
• M19: 26,577,707 km (0.113 R)
• M20: 37,826,869 km (0.041 R)
• M21: 38,565,733 km (0.085 R)
• M22: 41,748,278 km (0.12 R)
• M23: 43,336,409 km (0.085 R)
• M24: 43,874,512 km (0.118 R)
• M25: 44,553,687 km (0.104 R)
• M26: 45,377,672 km (0.069 R)
• M27: 47,624,931 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.9

Radius: 12.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8 AU - 10.88 AU

Year: 10101 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,241,436 km

• M1: 156,779 km (0.031 R)
• M2: 996,023 km (0.064 R)
• M3: 1,400,086 km (0.077 R)
• M4: 2,394,464 km (0.112 R)
• M5: 3,143,051 km (0.101 R)
• M6: 4,018,947 km (0.115 R)
• M7: 5,913,305 km (0.04 R)
• M8: 6,704,528 km (0.064 R)
• M9: 7,422,598 km (0.074 R)
• M10: 8,653,938 km (0.033 R)
• M11: 9,422,422 km (0.098 R)
• M12: 11,329,346 km (0.113 R)
• M13: 14,237,678 km (0.04 R)
• M14: 15,952,967 km (0.09 R)
• M15: 19,653,719 km (0.067 R)
• M16: 20,485,184 km (0.069 R)
• M17: 22,441,925 km (0.089 R)
• M18: 24,999,001 km (0.11 R)
• M19: 25,975,127 km (0.114 R)
• M20: 28,177,357 km (0.029 R)
• M21: 30,685,216 km (0.073 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 16,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit