🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.73 AU - 0.97 AU

Year: 289 Days

Day: 38.8 Hours

Environment

Temp: 83 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.93 AU - 2.11 AU

Year: 1059 Days

Day: 44.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 107,320,589 km

• M1: 67,469 km (0.109 R)
• M2: 300,243 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.27 AU - 2.91 AU

Year: 1538 Days

Day: 33.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.03 AU - 3.31 AU

Year: 1610 Days

Day: 45.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,320,589 km

• M1: 357,838 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3 AU - 3.84 AU

Year: 2334 Days

Day: 41.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 11.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.08 AU - 7.16 AU

Year: 7010 Days

Day: 12.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 107,320,589 km

• M1: 145,559 km (0.068 R)
• M2: 806,183 km (0.083 R)
• M3: 1,356,553 km (0.087 R)
• M4: 2,724,776 km (0.106 R)
• M5: 4,644,864 km (0.109 R)
• M6: 5,371,611 km (0.108 R)
• M7: 6,140,544 km (0.119 R)
• M8: 6,670,270 km (0.116 R)
• M9: 7,051,894 km (0.082 R)
• M10: 8,012,612 km (0.11 R)
• M11: 11,080,565 km (0.061 R)
• M12: 14,394,158 km (0.1 R)
• M13: 15,152,170 km (0.063 R)
• M14: 17,390,304 km (0.105 R)
• M15: 18,999,827 km (0.066 R)
• M16: 19,557,678 km (0.111 R)
• M17: 29,293,507 km (0.085 R)
• M18: 31,179,487 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 12.6

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.48 AU - 9.44 AU

Year: 9079 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 107,320,589 km

• M1: 161,865 km (0.104 R)
• M2: 618,288 km (0.061 R)
• M3: 1,443,919 km (0.114 R)
• M4: 1,938,639 km (0.045 R)
• M5: 2,810,495 km (0.095 R)
• M6: 3,849,303 km (0.066 R)
• M7: 5,831,923 km (0.062 R)
• M8: 6,907,382 km (0.101 R)
• M9: 8,832,109 km (0.117 R)
• M10: 10,611,725 km (0.115 R)
• M11: 11,697,955 km (0.118 R)
• M12: 12,737,810 km (0.034 R)
• M13: 16,228,227 km (0.058 R)
• M14: 18,496,580 km (0.11 R)
• M15: 19,114,718 km (0.103 R)
• M16: 20,803,080 km (0.035 R)
• M17: 21,219,411 km (0.088 R)
• M18: 23,206,220 km (0.08 R)
• M19: 23,925,636 km (0.034 R)
• M20: 29,072,252 km (0.072 R)
• M21: 36,096,321 km (0.052 R)
• M22: 37,551,609 km (0.059 R)
• M23: 43,901,290 km (0.029 R)
• M24: 48,559,319 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.7

Radius: 6.6

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 16.61 AU - 20.59 AU

Year: 29597 Days

Day: 21.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 107,320,589 km

• M1: 97,089 km (0.09 R)
• M2: 505,042 km (0.115 R)
• M3: 1,193,043 km (0.074 R)
• M4: 1,737,579 km (0.085 R)
• M5: 1,988,754 km (0.085 R)
• M6: 3,215,457 km (0.105 R)
• M7: 3,530,659 km (0.053 R)
• M8: 3,971,075 km (0.076 R)
• M9: 4,334,299 km (0.115 R)
• M10: 6,106,884 km (0.093 R)
• M11: 8,667,850 km (0.08 R)
• M12: 10,317,316 km (0.113 R)
• M13: 12,090,650 km (0.119 R)
• M14: 18,613,865 km (0.06 R)
• M15: 19,117,411 km (0.047 R)
• M16: 21,883,326 km (0.111 R)
• M17: 22,218,725 km (0.12 R)
• M18: 28,458,452 km (0.109 R)
• M19: 37,499,100 km (0.056 R)
• M20: 44,962,388 km (0.07 R)
• M21: 48,280,918 km (0.097 R)
• M22: 49,999,947 km (0.094 R)
• M23: 55,401,028 km (0.075 R)
• M24: 56,651,966 km (0.076 R)
• M25: 58,134,929 km (0.059 R)
• M26: 60,298,115 km (0.101 R)
• M27: 61,621,607 km (0.112 R)
• M28: 68,530,037 km (0.074 R)
• M29: 73,912,119 km (0.106 R)
• M30: 75,937,076 km (0.095 R)
• M31: 81,695,846 km (0.07 R)
• M32: 83,044,022 km (0.028 R)
• M33: 92,607,664 km (0.099 R)
• M34: 94,073,125 km (0.046 R)
• M35: 99,171,570 km (0.11 R)
• M36: 101,633,353 km (0.095 R)
• M37: 102,566,843 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 20,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit