🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 10.3

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.72 AU - 0.74 AU

Year: 416 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,473,609 km

• M1: 128,056 km (0.082 R)
• M2: 478,713 km (0.06 R)
• M3: 976,874 km (0.083 R)
• M4: 1,643,183 km (0.111 R)
• M5: 2,065,647 km (0.091 R)
• M6: 2,434,257 km (0.059 R)
• M7: 2,762,773 km (0.074 R)
• M8: 3,547,564 km (0.091 R)
• M9: 4,066,669 km (0.097 R)
• M10: 4,636,038 km (0.041 R)
• M11: 5,113,106 km (0.064 R)
• M12: 6,004,859 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 12

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.61 AU - 0.95 AU

Year: 459 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 145.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,473,609 km

• M1: 149,299 km (0.107 R)
• M2: 791,373 km (0.105 R)
• M3: 1,190,949 km (0.115 R)
• M4: 1,722,919 km (0.072 R)
• M5: 2,099,756 km (0.077 R)
• M6: 2,950,519 km (0.065 R)
• M7: 3,324,214 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 15

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3 AU - 3.28 AU

Year: 3710 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,473,609 km

• M1: 186,549 km (0.107 R)
• M2: 807,230 km (0.11 R)
• M3: 1,406,220 km (0.11 R)
• M4: 1,904,530 km (0.054 R)
• M5: 4,324,874 km (0.064 R)
• M6: 5,432,946 km (0.119 R)
• M7: 6,662,940 km (0.119 R)
• M8: 8,243,291 km (0.118 R)
• M9: 9,103,330 km (0.045 R)
• M10: 9,709,351 km (0.113 R)
• M11: 10,918,550 km (0.088 R)
• M12: 11,867,449 km (0.117 R)
• M13: 13,201,563 km (0.094 R)
• M14: 13,782,153 km (0.077 R)
• M15: 15,150,824 km (0.067 R)
• M16: 16,112,588 km (0.065 R)
• M17: 17,515,367 km (0.119 R)
• M18: 18,335,762 km (0.102 R)
• M19: 19,801,672 km (0.106 R)
• M20: 20,563,424 km (0.119 R)
• M21: 22,077,803 km (0.118 R)
• M22: 23,035,529 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 11.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.01 AU - 6 AU

Year: 8601 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,473,609 km

• M1: 141,968 km (0.062 R)
• M2: 624,122 km (0.104 R)
• M3: 1,046,138 km (0.067 R)
• M4: 1,526,048 km (0.039 R)
• M5: 2,137,155 km (0.118 R)
• M6: 2,556,029 km (0.108 R)
• M7: 3,364,755 km (0.098 R)
• M8: 3,724,837 km (0.062 R)
• M9: 4,788,927 km (0.109 R)
• M10: 7,115,623 km (0.108 R)
• M11: 7,611,091 km (0.12 R)
• M12: 10,235,636 km (0.068 R)
• M13: 12,351,249 km (0.08 R)
• M14: 13,313,463 km (0.085 R)
• M15: 14,376,804 km (0.078 R)
• M16: 19,391,923 km (0.098 R)
• M17: 20,426,542 km (0.077 R)
• M18: 23,173,458 km (0.071 R)
• M19: 25,085,618 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945

Radius: 7.5

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.08 AU - 7.62 AU

Year: 11955 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,473,609 km

• M1: 93,349 km (0.081 R)
• M2: 657,034 km (0.113 R)
• M3: 1,042,248 km (0.082 R)
• M4: 1,468,004 km (0.115 R)
• M5: 1,829,732 km (0.105 R)
• M6: 2,249,952 km (0.082 R)
• M7: 2,688,423 km (0.047 R)
• M8: 3,133,178 km (0.096 R)
• M9: 3,491,465 km (0.078 R)
• M10: 3,820,131 km (0.093 R)
• M11: 5,417,537 km (0.066 R)
• M12: 7,730,769 km (0.082 R)
• M13: 9,438,578 km (0.076 R)
• M14: 9,861,791 km (0.091 R)
• M15: 10,520,171 km (0.114 R)
• M16: 11,383,800 km (0.099 R)
• M17: 12,481,549 km (0.097 R)
• M18: 15,028,153 km (0.117 R)
• M19: 15,387,188 km (0.094 R)
• M20: 16,197,111 km (0.11 R)
• M21: 17,742,008 km (0.047 R)
• M22: 17,981,963 km (0.071 R)
• M23: 22,214,386 km (0.115 R)
• M24: 23,922,644 km (0.112 R)
• M25: 24,609,897 km (0.049 R)
• M26: 25,209,485 km (0.113 R)
• M27: 29,124,013 km (0.089 R)
• M28: 33,304,076 km (0.085 R)
• M29: 33,914,585 km (0.083 R)
• M30: 43,407,169 km (0.053 R)
• M31: 45,168,833 km (0.092 R)
• M32: 51,385,073 km (0.047 R)
• M33: 59,926,962 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.3

Radius: 6.7

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.42 AU - 10.8 AU

Year: 18336 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,473,609 km

• M1: 83,326 km (0.035 R)
• M2: 297,401 km (0.115 R)
• M3: 1,026,690 km (0.095 R)
• M4: 1,439,431 km (0.06 R)
• M5: 2,169,618 km (0.088 R)
• M6: 2,639,654 km (0.106 R)
• M7: 3,227,424 km (0.12 R)
• M8: 3,637,173 km (0.11 R)
• M9: 3,989,326 km (0.11 R)
• M10: 4,236,612 km (0.076 R)
• M11: 4,830,665 km (0.113 R)
• M12: 5,707,308 km (0.079 R)
• M13: 5,981,820 km (0.068 R)
• M14: 7,169,628 km (0.06 R)
• M15: 8,917,978 km (0.026 R)
• M16: 10,813,233 km (0.114 R)
• M17: 11,728,922 km (0.085 R)
• M18: 12,828,167 km (0.12 R)
• M19: 15,304,461 km (0.082 R)
• M20: 15,530,653 km (0.057 R)
• M21: 18,675,948 km (0.075 R)
• M22: 19,634,421 km (0.109 R)
• M23: 20,533,953 km (0.027 R)
• M24: 23,396,957 km (0.102 R)
• M25: 25,658,129 km (0.086 R)
• M26: 42,947,305 km (0.117 R)
• M27: 45,229,570 km (0.081 R)
• M28: 48,073,425 km (0.083 R)
• M29: 49,374,777 km (0.034 R)
• M30: 50,532,515 km (0.117 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: 314 - 13,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit