🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.44 AU - 0.66 AU

Year: 268 Days

Day: 22.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.65 AU - 0.67 AU

Year: 352 Days

Day: 23.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,820,477 km

• M1: 48,021 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 13.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.16 AU - 1.64 AU

Year: 1087 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,820,477 km

• M1: 173,982 km (0.064 R)
• M2: 676,781 km (0.079 R)
• M3: 1,289,234 km (0.109 R)
• M4: 1,812,677 km (0.057 R)
• M5: 2,781,024 km (0.101 R)
• M6: 3,247,321 km (0.107 R)
• M7: 3,750,568 km (0.119 R)
• M8: 5,341,093 km (0.079 R)
• M9: 5,917,793 km (0.104 R)
• M10: 7,493,806 km (0.099 R)
• M11: 8,708,690 km (0.105 R)
• M12: 9,480,765 km (0.117 R)
• M13: 10,485,913 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 11.8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.63 AU - 2.29 AU

Year: 1800 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,820,477 km

• M1: 146,756 km (0.105 R)
• M2: 534,364 km (0.086 R)
• M3: 1,232,686 km (0.113 R)
• M4: 2,044,105 km (0.066 R)
• M5: 2,617,664 km (0.094 R)
• M6: 3,136,020 km (0.101 R)
• M7: 4,281,940 km (0.104 R)
• M8: 5,159,481 km (0.119 R)
• M9: 5,641,186 km (0.11 R)
• M10: 6,563,607 km (0.068 R)
• M11: 7,241,734 km (0.097 R)
• M12: 8,580,036 km (0.05 R)
• M13: 9,833,218 km (0.086 R)
• M14: 10,980,185 km (0.102 R)
• M15: 12,134,482 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 8.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.24 AU - 3.14 AU

Year: 2894 Days

Day: 14.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,820,477 km

• M1: 104,419 km (0.101 R)
• M2: 370,554 km (0.038 R)
• M3: 791,373 km (0.069 R)
• M4: 1,446,163 km (0.057 R)
• M5: 1,931,608 km (0.098 R)
• M6: 3,365,802 km (0.105 R)
• M7: 4,220,306 km (0.092 R)
• M8: 4,556,602 km (0.113 R)
• M9: 6,032,983 km (0.087 R)
• M10: 6,351,926 km (0.084 R)
• M11: 6,880,006 km (0.086 R)
• M12: 8,842,281 km (0.12 R)
• M13: 11,837,231 km (0.113 R)
• M14: 13,028,030 km (0.062 R)
• M15: 16,920,866 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 11.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.47 AU - 3.91 AU

Year: 3738 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,820,477 km

• M1: 176,825 km (0.115 R)
• M2: 538,253 km (0.081 R)
• M3: 1,038,209 km (0.101 R)
• M4: 2,324,003 km (0.115 R)
• M5: 2,690,368 km (0.045 R)
• M6: 3,699,855 km (0.096 R)
• M7: 6,542,064 km (0.035 R)
• M8: 7,837,432 km (0.107 R)
• M9: 9,640,236 km (0.064 R)
• M10: 13,751,635 km (0.065 R)
• M11: 18,723,669 km (0.054 R)
• M12: 21,509,780 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.2

Radius: 4.3

Gravity: 46.36 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.25 AU - 6.93 AU

Year: 11098 Days

Day: 16.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 34,820,477 km

• M1: 54,304 km (0.11 R)
• M2: 222,153 km (0.042 R)
• M3: 365,468 km (0.071 R)
• M4: 1,280,857 km (0.063 R)
• M5: 1,592,170 km (0.092 R)
• M6: 2,059,364 km (0.066 R)
• M7: 2,425,131 km (0.097 R)
• M8: 2,743,176 km (0.11 R)
• M9: 3,488,473 km (0.113 R)
• M10: 4,960,815 km (0.064 R)
• M11: 5,869,921 km (0.088 R)
• M12: 7,434,266 km (0.088 R)
• M13: 7,786,270 km (0.05 R)
• M14: 9,560,800 km (0.087 R)
• M15: 10,243,415 km (0.117 R)
• M16: 10,405,429 km (0.041 R)
• M17: 11,298,678 km (0.117 R)
• M18: 13,364,326 km (0.07 R)
• M19: 14,083,144 km (0.094 R)
• M20: 15,384,795 km (0.085 R)
• M21: 17,677,232 km (0.069 R)
• M22: 19,107,687 km (0.059 R)
• M23: 22,106,526 km (0.071 R)
• M24: 23,670,273 km (0.118 R)
• M25: 24,335,086 km (0.063 R)
• M26: 25,207,989 km (0.081 R)
• M27: 26,708,755 km (0.095 R)
• M28: 27,533,189 km (0.104 R)
• M29: 28,801,180 km (0.103 R)
• M30: 34,143,320 km (0.031 R)
• M31: 39,975,543 km (0.055 R)
• M32: 42,288,625 km (0.103 R)
• M33: 42,566,578 km (0.119 R)
• M34: 44,545,758 km (0.114 R)
• M35: 46,733,477 km (0.095 R)
• M36: 47,478,475 km (0.099 R)
• M37: 52,274,283 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73

Radius: 5.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.23 AU - 10.61 AU

Year: 18966 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,820,477 km

• M1: 68,217 km (0.1 R)
• M2: 422,315 km (0.075 R)
• M3: 782,098 km (0.099 R)
• M4: 1,385,426 km (0.104 R)
• M5: 3,191,970 km (0.06 R)
• M6: 3,983,043 km (0.115 R)
• M7: 6,537,128 km (0.118 R)
• M8: 11,384,996 km (0.046 R)
• M9: 11,784,423 km (0.025 R)
• M10: 16,686,595 km (0.092 R)
• M11: 17,397,784 km (0.092 R)
• M12: 19,581,763 km (0.107 R)
• M13: 27,394,811 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 16,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit