🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.62 AU - 0.96 AU

Year: 255 Days

Day: 41.9 Hours

Environment

Temp: 113 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.8 AU - 0.8 AU

Year: 260 Days

Day: 25.7 Hours

Environment

Temp: 125 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,007,421 km

• M1: 53,855 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.84 AU - 1.14 AU

Year: 358 Days

Day: 19 Hours

Environment

Temp: 36 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.78 AU - 1.28 AU

Year: 380 Days

Day: 39.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.29 AU - 1.85 AU

Year: 715 Days

Day: 46.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.29 AU - 1.93 AU

Year: 742 Days

Day: 42.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.8

Radius: 4.7

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 11.98 AU - 13.54 AU

Year: 16566 Days

Day: 19.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,007,421 km

• M1: 58,493 km (0.117 R)
• M2: 567,724 km (0.096 R)
• M3: 1,355,506 km (0.111 R)
• M4: 1,552,975 km (0.11 R)
• M5: 2,782,520 km (0.068 R)
• M6: 4,052,307 km (0.07 R)
• M7: 4,665,658 km (0.112 R)
• M8: 5,936,193 km (0.091 R)
• M9: 6,540,120 km (0.098 R)
• M10: 8,552,959 km (0.071 R)
• M11: 10,284,554 km (0.08 R)
• M12: 12,070,005 km (0.12 R)
• M13: 13,567,480 km (0.045 R)
• M14: 14,863,895 km (0.039 R)
• M15: 21,199,365 km (0.051 R)
• M16: 21,851,462 km (0.054 R)
• M17: 22,182,522 km (0.088 R)
• M18: 26,513,380 km (0.114 R)
• M19: 27,270,046 km (0.086 R)
• M20: 27,943,985 km (0.104 R)
• M21: 28,925,646 km (0.104 R)
• M22: 31,691,112 km (0.092 R)
• M23: 33,629,452 km (0.09 R)
• M24: 35,531,289 km (0.118 R)
• M25: 37,859,332 km (0.091 R)
• M26: 41,792,110 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.8

Radius: 4.4

Gravity: 43.38 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 10.45 AU - 15.93 AU

Year: 17410 Days

Day: 19.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,007,421 km

• M1: 54,753 km (0.101 R)
• M2: 217,665 km (0.103 R)
• M3: 509,381 km (0.079 R)
• M4: 771,626 km (0.062 R)
• M5: 1,466,807 km (0.1 R)
• M6: 2,307,996 km (0.057 R)
• M7: 2,794,189 km (0.03 R)
• M8: 4,592,355 km (0.119 R)
• M9: 6,860,409 km (0.093 R)
• M10: 7,043,068 km (0.072 R)
• M11: 7,418,259 km (0.116 R)
• M12: 7,659,261 km (0.107 R)
• M13: 7,855,983 km (0.063 R)
• M14: 15,214,253 km (0.084 R)
• M15: 15,919,757 km (0.093 R)
• M16: 19,502,925 km (0.093 R)
• M17: 21,094,197 km (0.062 R)
• M18: 21,480,908 km (0.104 R)
• M19: 21,970,691 km (0.087 R)
• M20: 22,468,104 km (0.089 R)
• M21: 22,972,847 km (0.045 R)
• M22: 25,067,816 km (0.115 R)
• M23: 30,117,941 km (0.1 R)
• M24: 31,353,171 km (0.081 R)
• M25: 32,365,499 km (0.058 R)
• M26: 32,621,910 km (0.075 R)
• M27: 36,771,905 km (0.043 R)
• M28: 37,613,692 km (0.097 R)
• M29: 38,612,108 km (0.094 R)
• M30: 41,864,665 km (0.105 R)
• M31: 44,499,682 km (0.114 R)
• M32: 45,455,463 km (0.108 R)
• M33: 48,572,185 km (0.027 R)
• M34: 52,709,015 km (0.086 R)
• M35: 53,420,652 km (0.076 R)
• M36: 63,662,571 km (0.1 R)
• M37: 65,283,015 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.2

Radius: 6.5

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 14.77 AU - 23.55 AU

Year: 30481 Days

Day: 17.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 94,007,421 km

• M1: 216,319 km (0.052 R)
• M2: 1,094,608 km (0.072 R)
• M3: 1,428,510 km (0.097 R)
• M4: 2,232,299 km (0.092 R)
• M5: 2,798,527 km (0.11 R)
• M6: 3,016,641 km (0.107 R)
• M7: 3,675,620 km (0.104 R)
• M8: 4,212,377 km (0.116 R)
• M9: 6,891,675 km (0.118 R)
• M10: 7,759,043 km (0.101 R)
• M11: 8,302,083 km (0.113 R)
• M12: 8,697,022 km (0.037 R)
• M13: 16,312,152 km (0.045 R)
• M14: 24,358,423 km (0.101 R)
• M15: 32,159,802 km (0.1 R)
• M16: 32,992,913 km (0.081 R)
• M17: 33,414,928 km (0.105 R)
• M18: 60,031,980 km (0.099 R)
• M19: 84,748,989 km (0.062 R)
• M20: 85,012,132 km (0.104 R)
• M21: 90,666,482 km (0.114 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 12,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit