🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.64 AU - 0.64 AU

Year: 336 Days

Day: 47.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,415,465 km

• M1: 359,633 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 12.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.78 AU - 0.88 AU

Year: 496 Days

Day: 11 Hours

Environment

Temp: -156 °C

Axial Tilt: 149.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,415,465 km

• M1: 156,629 km (0.113 R)
• M2: 592,856 km (0.093 R)
• M3: 1,164,919 km (0.081 R)
• M4: 1,557,613 km (0.097 R)
• M5: 2,056,372 km (0.081 R)
• M6: 2,587,594 km (0.116 R)
• M7: 3,273,650 km (0.1 R)
• M8: 3,892,537 km (0.107 R)
• M9: 4,615,693 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 11.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.08 AU - 1.16 AU

Year: 778 Days

Day: 6.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,415,465 km

• M1: 139,276 km (0.097 R)
• M2: 513,719 km (0.055 R)
• M3: 883,974 km (0.101 R)
• M4: 1,887,327 km (0.09 R)
• M5: 2,383,692 km (0.047 R)
• M6: 2,849,391 km (0.116 R)
• M7: 3,234,904 km (0.106 R)
• M8: 3,682,800 km (0.108 R)
• M9: 4,201,905 km (0.09 R)
• M10: 4,902,472 km (0.09 R)
• M11: 5,405,569 km (0.094 R)
• M12: 6,974,402 km (0.096 R)
• M13: 7,343,610 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 10.2

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.2 AU - 1.44 AU

Year: 995 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,415,465 km

• M1: 126,859 km (0.114 R)
• M2: 503,397 km (0.097 R)
• M3: 984,803 km (0.087 R)
• M4: 1,568,384 km (0.109 R)
• M5: 2,004,761 km (0.083 R)
• M6: 2,439,193 km (0.075 R)
• M7: 2,779,977 km (0.077 R)
• M8: 3,180,750 km (0.07 R)
• M9: 3,681,304 km (0.119 R)
• M10: 4,132,641 km (0.045 R)
• M11: 6,140,693 km (0.108 R)
• M12: 9,385,471 km (0.076 R)
• M13: 10,799,769 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 11

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.81 AU - 2.93 AU

Year: 2393 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,415,465 km

• M1: 139,724 km (0.099 R)
• M2: 942,915 km (0.053 R)
• M3: 2,472,703 km (0.117 R)
• M4: 4,115,737 km (0.096 R)
• M5: 4,873,300 km (0.114 R)
• M6: 5,902,234 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 8.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.24 AU - 2.54 AU

Year: 2424 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,415,465 km

• M1: 102,026 km (0.108 R)
• M2: 357,838 km (0.057 R)
• M3: 725,400 km (0.108 R)
• M4: 1,422,227 km (0.101 R)
• M5: 1,710,652 km (0.098 R)
• M6: 2,027,500 km (0.093 R)
• M7: 2,595,972 km (0.069 R)
• M8: 4,243,344 km (0.076 R)
• M9: 4,615,094 km (0.091 R)
• M10: 4,988,191 km (0.096 R)
• M11: 5,423,970 km (0.113 R)
• M12: 5,862,441 km (0.12 R)
• M13: 7,164,990 km (0.042 R)
• M14: 7,747,375 km (0.11 R)
• M15: 9,465,506 km (0.119 R)
• M16: 9,907,717 km (0.025 R)
• M17: 10,463,324 km (0.062 R)
• M18: 10,970,610 km (0.041 R)
• M19: 11,636,470 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.1

Radius: 3.2

Gravity: 55.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.28 AU - 7.74 AU

Year: 10896 Days

Day: 23.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 32,415,465 km

• M1: 39,943 km (0.099 R)
• M2: 139,575 km (0.111 R)
• M3: 366,216 km (0.1 R)
• M4: 1,164,769 km (0.061 R)
• M5: 1,350,570 km (0.097 R)
• M6: 1,613,862 km (0.108 R)
• M7: 1,719,179 km (0.118 R)
• M8: 2,430,965 km (0.089 R)
• M9: 2,692,612 km (0.1 R)
• M10: 2,928,528 km (0.108 R)
• M11: 4,149,396 km (0.105 R)
• M12: 7,828,905 km (0.086 R)
• M13: 8,397,527 km (0.111 R)
• M14: 10,014,081 km (0.057 R)
• M15: 11,437,056 km (0.089 R)
• M16: 12,167,842 km (0.09 R)
• M17: 13,049,273 km (0.065 R)
• M18: 13,413,394 km (0.11 R)
• M19: 14,676,299 km (0.102 R)
• M20: 19,403,143 km (0.055 R)
• M21: 24,589,552 km (0.042 R)
• M22: 25,425,355 km (0.082 R)
• M23: 25,897,785 km (0.065 R)
• M24: 30,099,690 km (0.09 R)
• M25: 34,965,510 km (0.058 R)
• M26: 36,977,602 km (0.077 R)
• M27: 37,950,736 km (0.112 R)
• M28: 39,694,449 km (0.073 R)
• M29: 40,074,876 km (0.12 R)
• M30: 40,457,847 km (0.089 R)
• M31: 42,145,311 km (0.109 R)
• M32: 42,806,683 km (0.083 R)
• M33: 43,340,598 km (0.059 R)
• M34: 44,014,386 km (0.11 R)
• M35: 45,382,758 km (0.091 R)
• M36: 47,488,198 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 4.4

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.38 AU - 10.34 AU

Year: 18786 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 32,415,465 km

• M1: 55,202 km (0.118 R)
• M2: 209,437 km (0.057 R)
• M3: 380,577 km (0.079 R)
• M4: 1,095,206 km (0.051 R)
• M5: 1,485,208 km (0.08 R)
• M6: 1,876,256 km (0.066 R)
• M7: 2,274,336 km (0.052 R)
• M8: 3,335,584 km (0.038 R)
• M9: 4,503,943 km (0.071 R)
• M10: 5,524,500 km (0.098 R)
• M11: 6,297,921 km (0.107 R)
• M12: 7,876,328 km (0.106 R)
• M13: 9,146,264 km (0.082 R)
• M14: 9,445,909 km (0.117 R)
• M15: 10,064,945 km (0.098 R)
• M16: 12,323,723 km (0.099 R)
• M17: 12,627,855 km (0.118 R)
• M18: 12,937,074 km (0.101 R)
• M19: 15,807,558 km (0.046 R)
• M20: 16,022,381 km (0.095 R)
• M21: 18,436,292 km (0.092 R)
• M22: 18,914,407 km (0.062 R)
• M23: 19,729,566 km (0.1 R)
• M24: 23,688,972 km (0.084 R)
• M25: 24,159,159 km (0.095 R)
• M26: 32,436,409 km (0.084 R)
• M27: 32,783,476 km (0.097 R)
• M28: 36,639,510 km (0.084 R)
• M29: 38,417,631 km (0.09 R)
• M30: 42,973,784 km (0.074 R)
• M31: 43,252,484 km (0.068 R)
• M32: 45,093,436 km (0.047 R)
• M33: 45,960,505 km (0.117 R)
• M34: 46,985,998 km (0.047 R)
• M35: 52,661,143 km (0.11 R)
• M36: 53,140,305 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.7

Radius: 3.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.74 AU - 10.34 AU

Year: 19330 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,415,465 km

• M1: 38,746 km (0.092 R)
• M2: 135,236 km (0.117 R)
• M3: 289,921 km (0.086 R)
• M4: 780,153 km (0.039 R)
• M5: 1,691,802 km (0.093 R)
• M6: 1,829,133 km (0.116 R)
• M7: 2,205,372 km (0.057 R)
• M8: 2,420,194 km (0.099 R)
• M9: 2,594,775 km (0.039 R)
• M10: 3,028,459 km (0.107 R)
• M11: 3,778,094 km (0.086 R)
• M12: 3,918,118 km (0.098 R)
• M13: 4,110,052 km (0.114 R)
• M14: 4,308,119 km (0.033 R)
• M15: 6,003,063 km (0.079 R)
• M16: 7,137,464 km (0.116 R)
• M17: 8,446,595 km (0.044 R)
• M18: 12,325,668 km (0.085 R)
• M19: 16,429,736 km (0.107 R)
• M20: 18,351,171 km (0.077 R)
• M21: 23,250,052 km (0.079 R)
• M22: 28,594,137 km (0.09 R)
• M23: 29,314,750 km (0.081 R)
• M24: 32,318,376 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 12,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit