🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 14.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.85 AU - 1.01 AU

Year: 588 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,762,247 km

• M1: 185,950 km (0.056 R)
• M2: 721,211 km (0.061 R)
• M3: 1,725,761 km (0.055 R)
• M4: 2,204,175 km (0.103 R)
• M5: 2,772,497 km (0.069 R)
• M6: 3,688,186 km (0.105 R)
• M7: 4,451,135 km (0.101 R)
• M8: 4,961,264 km (0.048 R)
• M9: 5,763,707 km (0.103 R)
• M10: 6,332,777 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 14.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.37 AU - 1.53 AU

Year: 1145 Days

Day: 12.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,762,247 km

• M1: 180,415 km (0.118 R)
• M2: 820,694 km (0.117 R)
• M3: 1,391,559 km (0.083 R)
• M4: 2,423,186 km (0.096 R)
• M5: 3,079,323 km (0.1 R)
• M6: 3,819,832 km (0.04 R)
• M7: 4,312,458 km (0.038 R)
• M8: 5,447,906 km (0.115 R)
• M9: 7,168,730 km (0.089 R)
• M10: 7,816,190 km (0.113 R)
• M11: 8,334,247 km (0.114 R)
• M12: 9,080,292 km (0.096 R)
• M13: 10,607,387 km (0.114 R)
• M14: 11,311,993 km (0.104 R)
• M15: 12,047,565 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 8.3

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.95 AU - 3.13 AU

Year: 3477 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,762,247 km

• M1: 103,223 km (0.095 R)
• M2: 543,339 km (0.081 R)
• M3: 1,193,342 km (0.112 R)
• M4: 1,690,007 km (0.066 R)
• M5: 1,986,809 km (0.102 R)
• M6: 2,506,064 km (0.1 R)
• M7: 2,930,173 km (0.084 R)
• M8: 3,303,420 km (0.061 R)
• M9: 3,835,689 km (0.07 R)
• M10: 4,471,780 km (0.072 R)
• M11: 6,868,038 km (0.12 R)
• M12: 7,597,029 km (0.062 R)
• M13: 7,909,688 km (0.09 R)
• M14: 8,231,024 km (0.105 R)
• M15: 8,937,874 km (0.117 R)
• M16: 9,684,667 km (0.109 R)
• M17: 12,175,023 km (0.03 R)
• M18: 13,694,488 km (0.026 R)
• M19: 15,063,159 km (0.082 R)
• M20: 16,987,586 km (0.045 R)
• M21: 18,254,979 km (0.101 R)
• M22: 19,070,437 km (0.101 R)
• M23: 21,249,330 km (0.103 R)
• M24: 22,505,204 km (0.075 R)
• M25: 22,790,936 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.8

Radius: 12.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.61 AU - 6.07 AU

Year: 9258 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,762,247 km

• M1: 159,172 km (0.119 R)
• M2: 915,838 km (0.111 R)
• M3: 1,433,746 km (0.047 R)
• M4: 1,961,826 km (0.052 R)
• M5: 3,199,599 km (0.11 R)
• M6: 3,843,319 km (0.068 R)
• M7: 4,723,104 km (0.104 R)
• M8: 5,307,284 km (0.084 R)
• M9: 6,089,980 km (0.106 R)
• M10: 10,268,248 km (0.096 R)
• M11: 11,437,056 km (0.083 R)
• M12: 12,994,969 km (0.118 R)
• M13: 13,509,735 km (0.1 R)
• M14: 16,468,930 km (0.085 R)
• M15: 18,970,805 km (0.072 R)
• M16: 20,107,300 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.8

Radius: 6.1

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.82 AU - 9.3 AU

Year: 13636 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,762,247 km

• M1: 75,846 km (0.084 R)
• M2: 284,086 km (0.11 R)
• M3: 1,171,052 km (0.116 R)
• M4: 1,361,640 km (0.111 R)
• M5: 1,587,981 km (0.026 R)
• M6: 1,957,787 km (0.086 R)
• M7: 2,305,303 km (0.053 R)
• M8: 2,504,268 km (0.116 R)
• M9: 3,147,390 km (0.086 R)
• M10: 3,393,029 km (0.081 R)
• M11: 3,785,425 km (0.11 R)
• M12: 4,692,137 km (0.098 R)
• M13: 6,102,995 km (0.077 R)
• M14: 7,048,902 km (0.106 R)
• M15: 8,364,167 km (0.113 R)
• M16: 8,598,287 km (0.096 R)
• M17: 10,149,019 km (0.11 R)
• M18: 11,470,866 km (0.103 R)
• M19: 12,292,906 km (0.077 R)
• M20: 12,595,692 km (0.12 R)
• M21: 14,653,560 km (0.091 R)
• M22: 21,710,241 km (0.111 R)
• M23: 24,362,163 km (0.06 R)
• M24: 26,013,125 km (0.107 R)
• M25: 27,530,496 km (0.063 R)
• M26: 29,428,145 km (0.096 R)
• M27: 29,644,164 km (0.086 R)
• M28: 33,130,393 km (0.113 R)
• M29: 44,212,753 km (0.105 R)
• M30: 45,932,231 km (0.087 R)
• M31: 48,896,214 km (0.077 R)
• M32: 50,424,954 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 4.6

Gravity: 30.89 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.48 AU - 10.26 AU

Year: 20342 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,762,247 km

• M1: 58,194 km (0.09 R)
• M2: 201,508 km (0.115 R)
• M3: 671,994 km (0.077 R)
• M4: 1,268,740 km (0.103 R)
• M5: 3,303,121 km (0.102 R)
• M6: 4,617,338 km (0.083 R)
• M7: 7,718,203 km (0.112 R)
• M8: 8,482,050 km (0.087 R)
• M9: 10,701,932 km (0.104 R)
• M10: 13,423,567 km (0.08 R)
• M11: 15,135,864 km (0.119 R)
• M12: 19,441,290 km (0.106 R)
• M13: 22,220,221 km (0.099 R)
• M14: 25,802,042 km (0.099 R)
• M15: 28,668,637 km (0.107 R)
• M16: 29,386,856 km (0.042 R)
• M17: 29,750,529 km (0.043 R)
• M18: 30,486,700 km (0.091 R)
• M19: 37,524,681 km (0.12 R)
• M20: 49,566,113 km (0.119 R)
• M21: 50,599,984 km (0.037 R)
• M22: 65,375,616 km (0.069 R)
• M23: 66,410,235 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 15,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit