🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.46 AU - 0.76 AU

Year: 183 Days

Day: 37.5 Hours

Environment

Temp: 134 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.82 AU - 0.84 AU

Year: 291 Days

Day: 33 Hours

Environment

Temp: 23 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.73 AU - 0.97 AU

Year: 302 Days

Day: 20.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.28 AU - 1.62 AU

Year: 672 Days

Day: 40.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.93 AU - 4.35 AU

Year: 2674 Days

Day: 40.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 55 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.4

Radius: 12.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.65 AU - 8.83 AU

Year: 8290 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,486,066 km

• M1: 154,235 km (0.114 R)
• M2: 685,308 km (0.102 R)
• M3: 1,227,451 km (0.099 R)
• M4: 1,670,859 km (0.118 R)
• M5: 2,158,697 km (0.105 R)
• M6: 2,797,630 km (0.082 R)
• M7: 4,481,653 km (0.09 R)
• M8: 5,200,022 km (0.072 R)
• M9: 6,386,632 km (0.11 R)
• M10: 7,188,028 km (0.056 R)
• M11: 7,632,184 km (0.099 R)
• M12: 10,789,447 km (0.12 R)
• M13: 11,622,408 km (0.086 R)
• M14: 15,509,559 km (0.112 R)
• M15: 16,634,236 km (0.116 R)
• M16: 21,988,793 km (0.119 R)
• M17: 22,611,868 km (0.091 R)
• M18: 27,308,194 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 13.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.14 AU - 10.2 AU

Year: 8991 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,486,066 km

• M1: 226,641 km (0.113 R)
• M2: 1,071,420 km (0.119 R)
• M3: 1,740,870 km (0.09 R)
• M4: 2,216,292 km (0.103 R)
• M5: 4,851,459 km (0.099 R)
• M6: 5,411,703 km (0.09 R)
• M7: 6,119,750 km (0.11 R)
• M8: 7,159,156 km (0.093 R)
• M9: 8,055,845 km (0.066 R)
• M10: 11,958,255 km (0.113 R)
• M11: 12,867,810 km (0.108 R)
• M12: 13,945,514 km (0.105 R)
• M13: 15,475,002 km (0.113 R)
• M14: 17,043,237 km (0.111 R)
• M15: 19,321,463 km (0.111 R)
• M16: 22,046,238 km (0.048 R)
• M17: 28,346,104 km (0.094 R)
• M18: 29,756,363 km (0.12 R)
• M19: 30,896,897 km (0.084 R)
• M20: 43,029,883 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 12.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10 AU - 10.1 AU

Year: 12266 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,486,066 km

• M1: 159,621 km (0.035 R)
• M2: 854,653 km (0.084 R)
• M3: 1,472,941 km (0.109 R)
• M4: 1,943,576 km (0.061 R)
• M5: 2,898,908 km (0.044 R)
• M6: 3,407,540 km (0.078 R)
• M7: 3,927,842 km (0.077 R)
• M8: 4,474,921 km (0.103 R)
• M9: 5,157,985 km (0.113 R)
• M10: 5,972,845 km (0.082 R)
• M11: 6,977,095 km (0.113 R)
• M12: 8,980,061 km (0.088 R)
• M13: 10,159,640 km (0.101 R)
• M14: 11,588,599 km (0.063 R)
• M15: 12,931,838 km (0.097 R)
• M16: 13,420,275 km (0.104 R)
• M17: 16,614,340 km (0.104 R)
• M18: 18,117,349 km (0.049 R)
• M19: 19,496,342 km (0.045 R)
• M20: 20,796,348 km (0.066 R)
• M21: 22,853,468 km (0.119 R)
• M22: 23,408,327 km (0.103 R)
• M23: 26,318,155 km (0.087 R)
• M24: 27,546,952 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.5

Radius: 4.1

Gravity: 39.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 14.38 AU - 18.48 AU

Year: 25640 Days

Day: 16 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,486,066 km

• M1: 51,312 km (0.113 R)
• M2: 364,121 km (0.112 R)
• M3: 528,828 km (0.06 R)
• M4: 743,053 km (0.066 R)
• M5: 1,066,483 km (0.089 R)
• M6: 2,050,239 km (0.099 R)
• M7: 2,555,580 km (0.119 R)
• M8: 3,743,687 km (0.092 R)
• M9: 4,603,426 km (0.052 R)
• M10: 5,098,894 km (0.053 R)
• M11: 5,756,526 km (0.032 R)
• M12: 9,189,199 km (0.111 R)
• M13: 9,726,554 km (0.08 R)
• M14: 12,877,684 km (0.112 R)
• M15: 14,324,146 km (0.046 R)
• M16: 18,082,643 km (0.042 R)
• M17: 19,500,531 km (0.117 R)
• M18: 24,874,386 km (0.098 R)
• M19: 27,225,765 km (0.088 R)
• M20: 31,689,766 km (0.043 R)
• M21: 32,093,680 km (0.083 R)
• M22: 37,361,021 km (0.114 R)
• M23: 41,709,682 km (0.111 R)
• M24: 42,032,663 km (0.039 R)
• M25: 42,357,291 km (0.106 R)
• M26: 47,957,188 km (0.027 R)
• M27: 48,311,585 km (0.092 R)
• M28: 48,489,457 km (0.115 R)
• M29: 49,746,827 km (0.096 R)
• M30: 56,163,977 km (0.111 R)
• M31: 60,804,055 km (0.082 R)
• M32: 67,231,677 km (0.108 R)
• M33: 68,121,485 km (0.108 R)
• M34: 70,152,276 km (0.068 R)
• M35: 83,445,393 km (0.09 R)
• M36: 87,870,199 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58

Radius: 4.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 14.1 AU - 22.14 AU

Year: 29697 Days

Day: 23 Hours

Environment

Temp: -209 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,486,066 km

• M1: 58,493 km (0.093 R)
• M2: 246,537 km (0.081 R)
• M3: 991,535 km (0.034 R)
• M4: 1,352,215 km (0.106 R)
• M5: 1,841,699 km (0.097 R)
• M6: 2,674,361 km (0.089 R)
• M7: 2,837,872 km (0.097 R)
• M8: 3,073,488 km (0.086 R)
• M9: 4,285,530 km (0.118 R)
• M10: 5,921,383 km (0.084 R)
• M11: 6,858,763 km (0.086 R)
• M12: 8,932,339 km (0.092 R)
• M13: 12,150,638 km (0.109 R)
• M14: 13,414,441 km (0.071 R)
• M15: 15,017,981 km (0.07 R)
• M16: 20,826,118 km (0.098 R)
• M17: 34,540,952 km (0.114 R)
• M18: 34,877,248 km (0.084 R)
• M19: 36,128,783 km (0.064 R)
• M20: 41,687,541 km (0.102 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: 307 - 10,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit