🌌 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: 971.5

Radius: 10.9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.81 AU - 1.17 AU

Year: 636 Days

Day: 5.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,818,542 km

• M1: 138,976 km (0.049 R)
• M2: 549,623 km (0.029 R)
• M3: 1,018,014 km (0.095 R)
• M4: 1,364,632 km (0.117 R)
• M5: 2,197,443 km (0.106 R)
• M6: 2,619,160 km (0.109 R)
• M7: 3,641,661 km (0.026 R)
• M8: 4,475,819 km (0.033 R)
• M9: 5,639,391 km (0.099 R)
• M10: 6,230,751 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 9.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.44 AU - 1.78 AU

Year: 1319 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,818,542 km

• M1: 123,119 km (0.088 R)
• M2: 447,597 km (0.096 R)
• M3: 770,279 km (0.081 R)
• M4: 1,113,307 km (0.086 R)
• M5: 1,560,156 km (0.092 R)
• M6: 2,177,098 km (0.109 R)
• M7: 2,949,472 km (0.104 R)
• M8: 3,305,814 km (0.083 R)
• M9: 3,799,636 km (0.092 R)
• M10: 4,239,753 km (0.107 R)
• M11: 4,641,274 km (0.1 R)
• M12: 5,010,930 km (0.108 R)
• M13: 5,561,450 km (0.065 R)
• M14: 6,195,745 km (0.116 R)
• M15: 6,667,876 km (0.078 R)
• M16: 7,684,244 km (0.031 R)
• M17: 8,309,713 km (0.105 R)
• M18: 9,138,784 km (0.058 R)
• M19: 10,422,035 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 12.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.51 AU - 2.27 AU

Year: 1678 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,818,542 km

• M1: 151,692 km (0.064 R)
• M2: 760,107 km (0.06 R)
• M3: 1,153,100 km (0.095 R)
• M4: 1,571,675 km (0.094 R)
• M5: 1,969,157 km (0.1 R)
• M6: 2,899,656 km (0.036 R)
• M7: 3,921,259 km (0.089 R)
• M8: 4,912,794 km (0.102 R)
• M9: 10,636,558 km (0.039 R)
• M10: 11,214,904 km (0.027 R)
• M11: 12,712,827 km (0.057 R)
• M12: 13,158,629 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.2

Radius: 5.6

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.52 AU - 8.68 AU

Year: 12215 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,818,542 km

• M1: 69,862 km (0.048 R)
• M2: 755,768 km (0.075 R)
• M3: 2,043,956 km (0.055 R)
• M4: 2,249,802 km (0.112 R)
• M5: 3,945,045 km (0.088 R)
• M6: 6,978,441 km (0.057 R)
• M7: 12,040,983 km (0.107 R)
• M8: 13,355,200 km (0.076 R)
• M9: 16,265,328 km (0.095 R)
• M10: 18,083,989 km (0.074 R)
• M11: 19,117,411 km (0.073 R)
• M12: 19,572,039 km (0.094 R)
• M13: 20,740,398 km (0.095 R)
• M14: 22,119,691 km (0.109 R)
• M15: 25,787,831 km (0.085 R)
• M16: 28,348,348 km (0.115 R)
• M17: 36,571,743 km (0.101 R)
• M18: 37,744,141 km (0.091 R)
• M19: 43,071,471 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.6

Radius: 6.9

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.89 AU - 8.31 AU

Year: 12215 Days

Day: 18.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,818,542 km

• M1: 86,019 km (0.057 R)
• M2: 401,670 km (0.105 R)
• M3: 711,188 km (0.101 R)
• M4: 1,413,101 km (0.117 R)
• M5: 1,812,079 km (0.102 R)
• M6: 2,383,393 km (0.074 R)
• M7: 3,117,021 km (0.098 R)
• M8: 3,444,341 km (0.074 R)
• M9: 4,287,475 km (0.09 R)
• M10: 5,123,428 km (0.075 R)
• M11: 5,689,207 km (0.044 R)
• M12: 8,233,268 km (0.083 R)
• M13: 9,362,882 km (0.106 R)
• M14: 9,884,979 km (0.027 R)
• M15: 10,481,425 km (0.095 R)
• M16: 11,216,848 km (0.051 R)
• M17: 13,238,065 km (0.117 R)
• M18: 15,133,620 km (0.079 R)
• M19: 15,562,218 km (0.1 R)
• M20: 16,443,499 km (0.115 R)
• M21: 17,906,416 km (0.117 R)
• M22: 18,628,824 km (0.084 R)
• M23: 20,476,209 km (0.094 R)
• M24: 24,727,182 km (0.091 R)
• M25: 25,622,525 km (0.119 R)
• M26: 26,642,483 km (0.109 R)
• M27: 28,115,573 km (0.076 R)
• M28: 30,088,321 km (0.106 R)
• M29: 32,034,439 km (0.103 R)
• M30: 35,420,288 km (0.079 R)
• M31: 36,429,774 km (0.114 R)
• M32: 37,979,758 km (0.048 R)
• M33: 47,297,611 km (0.07 R)
• M34: 48,059,962 km (0.065 R)
• M35: 55,630,362 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791

Radius: 3.8

Gravity: 54.78 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.54 AU - 8.96 AU

Year: 16712 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,818,542 km

• M1: 48,171 km (0.074 R)
• M2: 237,262 km (0.119 R)
• M3: 588,368 km (0.049 R)
• M4: 919,578 km (0.045 R)
• M5: 2,366,339 km (0.111 R)
• M6: 3,603,065 km (0.106 R)
• M7: 5,713,442 km (0.093 R)
• M8: 6,368,232 km (0.115 R)
• M9: 7,117,119 km (0.111 R)
• M10: 8,946,850 km (0.063 R)
• M11: 25,916,036 km (0.076 R)
• M12: 32,231,011 km (0.087 R)
• M13: 32,862,763 km (0.073 R)
• M14: 36,011,050 km (0.087 R)
• M15: 39,642,089 km (0.094 R)
• M16: 40,806,559 km (0.092 R)
• M17: 42,747,143 km (0.106 R)
• M18: 43,356,455 km (0.078 R)
• M19: 48,275,981 km (0.108 R)
• M20: 48,440,539 km (0.072 R)
• M21: 50,954,680 km (0.088 R)
• M22: 57,710,371 km (0.086 R)
• M23: 63,842,537 km (0.042 R)
• M24: 70,394,774 km (0.091 R)
• M25: 70,818,585 km (0.097 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: 190 - 19,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit