🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

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: 263.3

Radius: 12.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.76 AU - 1.22 AU

Year: 646 Days

Day: 13.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,702,399 km

• M1: 150,495 km (0.027 R)
• M2: 789,129 km (0.055 R)
• M3: 1,522,607 km (0.082 R)
• M4: 2,130,124 km (0.07 R)
• M5: 2,586,098 km (0.119 R)
• M6: 3,074,535 km (0.106 R)
• M7: 3,759,394 km (0.102 R)
• M8: 4,158,671 km (0.1 R)
• M9: 4,572,010 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.4

Radius: 13.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.94 AU - 1.18 AU

Year: 716 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,702,399 km

• M1: 167,849 km (0.102 R)
• M2: 613,950 km (0.056 R)
• M3: 1,042,996 km (0.048 R)
• M4: 1,626,727 km (0.034 R)
• M5: 2,185,625 km (0.105 R)
• M6: 2,611,380 km (0.076 R)
• M7: 3,447,034 km (0.119 R)
• M8: 4,140,121 km (0.066 R)
• M9: 4,587,419 km (0.091 R)
• M10: 5,035,315 km (0.1 R)
• M11: 6,331,431 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 10.4

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.17 AU - 1.77 AU

Year: 1169 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,702,399 km

• M1: 129,402 km (0.08 R)
• M2: 495,468 km (0.106 R)
• M3: 1,009,935 km (0.097 R)
• M4: 1,414,149 km (0.101 R)
• M5: 1,895,106 km (0.098 R)
• M6: 2,266,857 km (0.113 R)
• M7: 3,145,295 km (0.092 R)
• M8: 4,345,220 km (0.116 R)
• M9: 5,328,227 km (0.084 R)
• M10: 7,409,134 km (0.073 R)
• M11: 9,167,806 km (0.027 R)
• M12: 10,209,606 km (0.094 R)
• M13: 12,792,563 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.3

Radius: 8.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.5 AU - 3.08 AU

Year: 3057 Days

Day: 10.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,702,399 km

• M1: 108,159 km (0.115 R)
• M2: 440,267 km (0.05 R)
• M3: 865,573 km (0.089 R)
• M4: 1,211,294 km (0.069 R)
• M5: 1,714,840 km (0.092 R)
• M6: 2,479,435 km (0.059 R)
• M7: 2,764,269 km (0.11 R)
• M8: 3,602,167 km (0.084 R)
• M9: 4,644,415 km (0.047 R)
• M10: 5,199,274 km (0.119 R)
• M11: 7,870,194 km (0.1 R)
• M12: 10,316,718 km (0.101 R)
• M13: 10,781,818 km (0.12 R)
• M14: 12,090,799 km (0.07 R)
• M15: 14,534,929 km (0.079 R)
• M16: 18,563,600 km (0.107 R)
• M17: 18,848,434 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 11.4

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.13 AU - 6.13 AU

Year: 8763 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,702,399 km

• M1: 141,819 km (0.087 R)
• M2: 662,569 km (0.077 R)
• M3: 1,147,715 km (0.077 R)
• M4: 1,759,421 km (0.093 R)
• M5: 2,404,487 km (0.056 R)
• M6: 3,816,990 km (0.09 R)
• M7: 4,687,948 km (0.086 R)
• M8: 6,073,374 km (0.103 R)
• M9: 6,515,286 km (0.05 R)
• M10: 9,585,334 km (0.077 R)
• M11: 22,381,637 km (0.034 R)
• M12: 23,260,524 km (0.078 R)
• M13: 24,900,416 km (0.039 R)
• M14: 25,463,802 km (0.1 R)
• M15: 28,613,435 km (0.029 R)
• M16: 32,234,900 km (0.1 R)
• M17: 37,360,871 km (0.108 R)
• M18: 39,225,609 km (0.105 R)
• M19: 40,245,118 km (0.06 R)
• M20: 44,226,067 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.4

Radius: 4.3

Gravity: 36.96 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.91 AU - 7.39 AU

Year: 12542 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,702,399 km

• M1: 57,894 km (0.115 R)
• M2: 199,713 km (0.075 R)
• M3: 441,164 km (0.107 R)
• M4: 583,731 km (0.103 R)
• M5: 1,042,847 km (0.095 R)
• M6: 2,035,279 km (0.091 R)
• M7: 2,693,360 km (0.108 R)
• M8: 2,988,068 km (0.059 R)
• M9: 3,483,087 km (0.038 R)
• M10: 3,641,811 km (0.071 R)
• M11: 4,088,659 km (0.116 R)
• M12: 4,761,700 km (0.119 R)
• M13: 5,868,126 km (0.106 R)
• M14: 6,285,055 km (0.063 R)
• M15: 7,610,492 km (0.073 R)
• M16: 8,479,806 km (0.104 R)
• M17: 9,670,156 km (0.117 R)
• M18: 10,359,204 km (0.072 R)
• M19: 13,188,249 km (0.053 R)
• M20: 14,641,443 km (0.118 R)
• M21: 14,986,116 km (0.108 R)
• M22: 15,763,128 km (0.111 R)
• M23: 17,168,151 km (0.089 R)
• M24: 20,997,856 km (0.114 R)
• M25: 21,790,875 km (0.076 R)
• M26: 22,879,199 km (0.068 R)
• M27: 23,907,984 km (0.103 R)
• M28: 25,558,198 km (0.055 R)
• M29: 26,563,496 km (0.089 R)
• M30: 29,847,169 km (0.105 R)
• M31: 30,736,528 km (0.086 R)
• M32: 31,301,260 km (0.119 R)
• M33: 33,868,360 km (0.109 R)
• M34: 43,811,980 km (0.032 R)
• M35: 45,395,175 km (0.1 R)
• M36: 47,765,403 km (0.086 R)
• M37: 48,981,036 km (0.104 R)
• M38: 49,134,373 km (0.056 R)
• M39: 52,912,318 km (0.094 R)
• M40: 55,203,110 km (0.079 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 16,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit