🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 14.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 12.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,141,172 km

• M1: 178,171 km (0.091 R)
• M2: 817,702 km (0.045 R)
• M3: 1,582,147 km (0.057 R)
• M4: 2,224,820 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 14.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.78 AU - 1.08 AU

Year: 619 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,141,172 km

• M1: 175,329 km (0.038 R)
• M2: 615,446 km (0.063 R)
• M3: 1,416,692 km (0.1 R)
• M4: 1,869,225 km (0.094 R)
• M5: 2,324,153 km (0.106 R)
• M6: 3,439,704 km (0.089 R)
• M7: 3,965,241 km (0.088 R)
• M8: 4,966,949 km (0.119 R)
• M9: 5,783,753 km (0.114 R)
• M10: 6,949,419 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.6

Radius: 8.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.03 AU - 1.67 AU

Year: 1083 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,141,172 km

• M1: 108,159 km (0.118 R)
• M2: 404,363 km (0.11 R)
• M3: 774,019 km (0.115 R)
• M4: 1,733,091 km (0.087 R)
• M5: 3,337,229 km (0.103 R)
• M6: 3,804,723 km (0.092 R)
• M7: 4,450,088 km (0.063 R)
• M8: 6,557,772 km (0.088 R)
• M9: 7,532,851 km (0.029 R)
• M10: 8,762,396 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 11.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.36 AU - 1.36 AU

Year: 1095 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,141,172 km

• M1: 147,952 km (0.108 R)
• M2: 522,246 km (0.071 R)
• M3: 930,499 km (0.101 R)
• M4: 1,415,196 km (0.05 R)
• M5: 1,792,332 km (0.055 R)
• M6: 2,464,326 km (0.115 R)
• M7: 3,087,251 km (0.091 R)
• M8: 3,656,172 km (0.038 R)
• M9: 4,469,087 km (0.115 R)
• M10: 5,258,664 km (0.101 R)
• M11: 5,813,972 km (0.098 R)
• M12: 6,227,759 km (0.069 R)
• M13: 7,717,754 km (0.104 R)
• M14: 9,822,746 km (0.095 R)
• M15: 10,380,297 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.7

Radius: 12.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.87 AU - 1.91 AU

Year: 1794 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,141,172 km

• M1: 160,369 km (0.028 R)
• M2: 740,360 km (0.112 R)
• M3: 1,327,532 km (0.057 R)
• M4: 1,837,810 km (0.119 R)
• M5: 2,732,854 km (0.06 R)
• M6: 3,248,967 km (0.118 R)
• M7: 3,725,436 km (0.112 R)
• M8: 4,343,574 km (0.05 R)
• M9: 5,244,453 km (0.101 R)
• M10: 5,856,757 km (0.102 R)
• M11: 6,746,714 km (0.105 R)
• M12: 7,251,906 km (0.084 R)
• M13: 7,983,889 km (0.071 R)
• M14: 8,488,782 km (0.098 R)
• M15: 9,237,968 km (0.086 R)
• M16: 11,452,315 km (0.112 R)
• M17: 13,289,527 km (0.084 R)
• M18: 14,042,752 km (0.081 R)
• M19: 14,604,343 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 5

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.52 AU - 6.06 AU

Year: 9617 Days

Day: 17.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,141,172 km

• M1: 62,831 km (0.03 R)
• M2: 241,301 km (0.113 R)
• M3: 625,768 km (0.084 R)
• M4: 818,600 km (0.103 R)
• M5: 988,842 km (0.097 R)
• M6: 1,253,331 km (0.091 R)
• M7: 2,319,216 km (0.118 R)
• M8: 2,913,867 km (0.047 R)
• M9: 4,015,207 km (0.039 R)
• M10: 4,571,262 km (0.116 R)
• M11: 8,401,267 km (0.043 R)
• M12: 8,937,126 km (0.043 R)
• M13: 9,260,108 km (0.107 R)
• M14: 9,686,761 km (0.075 R)
• M15: 10,630,425 km (0.071 R)
• M16: 10,888,631 km (0.118 R)
• M17: 11,579,474 km (0.091 R)
• M18: 12,412,285 km (0.032 R)
• M19: 12,930,791 km (0.094 R)
• M20: 13,644,523 km (0.058 R)
• M21: 16,693,477 km (0.113 R)
• M22: 18,412,656 km (0.083 R)
• M23: 19,777,138 km (0.12 R)
• M24: 20,404,551 km (0.06 R)
• M25: 27,137,951 km (0.065 R)
• M26: 28,010,257 km (0.091 R)
• M27: 28,900,962 km (0.106 R)
• M28: 29,202,103 km (0.058 R)
• M29: 30,634,951 km (0.076 R)
• M30: 36,251,005 km (0.118 R)
• M31: 37,189,881 km (0.103 R)
• M32: 41,488,725 km (0.085 R)
• M33: 43,166,316 km (0.099 R)
• M34: 44,220,831 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.4

Radius: 7.9

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.56 AU - 7.1 AU

Year: 9717 Days

Day: 15.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,141,172 km

• M1: 98,286 km (0.105 R)
• M2: 360,830 km (0.066 R)
• M3: 678,127 km (0.074 R)
• M4: 1,274,424 km (0.026 R)
• M5: 1,887,177 km (0.115 R)
• M6: 2,565,005 km (0.082 R)
• M7: 3,257,194 km (0.108 R)
• M8: 3,586,160 km (0.053 R)
• M9: 6,188,565 km (0.037 R)
• M10: 7,267,465 km (0.111 R)
• M11: 7,626,649 km (0.099 R)
• M12: 8,598,287 km (0.063 R)
• M13: 9,182,616 km (0.07 R)
• M14: 9,602,538 km (0.114 R)
• M15: 10,480,976 km (0.113 R)
• M16: 10,734,096 km (0.071 R)
• M17: 11,625,849 km (0.077 R)
• M18: 13,496,421 km (0.109 R)
• M19: 14,849,533 km (0.032 R)
• M20: 17,115,343 km (0.114 R)
• M21: 20,455,414 km (0.111 R)
• M22: 21,011,320 km (0.117 R)
• M23: 21,987,745 km (0.077 R)
• M24: 22,403,328 km (0.09 R)
• M25: 24,828,310 km (0.066 R)
• M26: 25,735,172 km (0.116 R)
• M27: 26,852,369 km (0.06 R)
• M28: 30,603,386 km (0.063 R)
• M29: 35,593,821 km (0.108 R)
• M30: 41,226,480 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.3

Radius: 6

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.08 AU - 10.9 AU

Year: 18606 Days

Day: 21.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,141,172 km

• M1: 80,783 km (0.118 R)
• M2: 296,054 km (0.093 R)
• M3: 1,760,468 km (0.059 R)
• M4: 2,102,748 km (0.094 R)
• M5: 3,427,138 km (0.091 R)
• M6: 4,202,354 km (0.095 R)
• M7: 9,570,524 km (0.111 R)
• M8: 16,070,551 km (0.084 R)
• M9: 18,206,061 km (0.105 R)
• M10: 23,712,310 km (0.03 R)
• M11: 27,001,368 km (0.086 R)
• M12: 38,532,672 km (0.069 R)
• M13: 39,631,318 km (0.119 R)
• M14: 43,641,439 km (0.091 R)
• M15: 49,504,778 km (0.077 R)
• M16: 49,827,161 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 12,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit