🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.69 AU - 1.05 AU

Year: 292 Days

Day: 15.4 Hours

Environment

Temp: 120 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.8 AU - 1.16 AU

Year: 349 Days

Day: 46.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 137.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,855,113 km

• M1: 42,336 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.21 AU - 1.23 AU

Year: 485 Days

Day: 39 Hours

Environment

Temp: 9 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.9 AU - 2.98 AU

Year: 1814 Days

Day: 31.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.95 AU - 4.85 AU

Year: 3322 Days

Day: 13.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.1

Radius: 11.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.9 AU - 8.36 AU

Year: 8343 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,855,113 km

• M1: 141,520 km (0.079 R)
• M2: 579,692 km (0.106 R)
• M3: 983,456 km (0.039 R)
• M4: 2,000,124 km (0.1 R)
• M5: 2,677,353 km (0.057 R)
• M6: 3,049,702 km (0.079 R)
• M7: 5,402,129 km (0.095 R)
• M8: 6,540,269 km (0.078 R)
• M9: 6,965,277 km (0.097 R)
• M10: 7,333,587 km (0.07 R)
• M11: 8,558,644 km (0.092 R)
• M12: 9,286,138 km (0.115 R)
• M13: 9,824,092 km (0.083 R)
• M14: 12,614,092 km (0.06 R)
• M15: 18,700,183 km (0.12 R)
• M16: 22,531,833 km (0.112 R)
• M17: 25,014,709 km (0.115 R)
• M18: 25,793,814 km (0.052 R)
• M19: 26,410,906 km (0.115 R)
• M20: 27,400,496 km (0.025 R)
• M21: 31,009,843 km (0.043 R)
• M22: 36,006,861 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.7

Radius: 3.5

Gravity: 64.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 13.96 AU - 15.68 AU

Year: 20533 Days

Day: 24.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 178.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 54,855,113 km

• M1: 43,683 km (0.075 R)
• M2: 186,997 km (0.031 R)
• M3: 635,043 km (0.099 R)
• M4: 1,386,772 km (0.114 R)
• M5: 1,746,705 km (0.091 R)
• M6: 3,760,591 km (0.075 R)
• M7: 4,702,759 km (0.086 R)
• M8: 6,757,934 km (0.087 R)
• M9: 7,086,601 km (0.118 R)
• M10: 7,574,439 km (0.085 R)
• M11: 7,725,084 km (0.055 R)
• M12: 9,691,698 km (0.119 R)
• M13: 9,988,949 km (0.102 R)
• M14: 10,476,937 km (0.098 R)
• M15: 12,379,523 km (0.082 R)
• M16: 13,595,604 km (0.085 R)
• M17: 14,500,522 km (0.116 R)
• M18: 15,046,404 km (0.108 R)
• M19: 20,983,196 km (0.106 R)
• M20: 22,704,768 km (0.105 R)
• M21: 23,440,341 km (0.103 R)
• M22: 23,867,592 km (0.117 R)
• M23: 32,871,739 km (0.104 R)
• M24: 33,812,111 km (0.109 R)
• M25: 37,753,566 km (0.111 R)
• M26: 39,985,865 km (0.059 R)
• M27: 42,462,159 km (0.108 R)
• M28: 45,698,858 km (0.07 R)
• M29: 49,971,074 km (0.116 R)
• M30: 50,147,301 km (0.03 R)
• M31: 50,856,245 km (0.048 R)
• M32: 51,392,404 km (0.062 R)
• M33: 51,751,887 km (0.074 R)
• M34: 52,658,002 km (0.047 R)
• M35: 58,512,963 km (0.101 R)
• M36: 60,091,370 km (0.101 R)
• M37: 61,293,539 km (0.036 R)
• M38: 65,206,421 km (0.087 R)
• M39: 67,977,422 km (0.08 R)
• M40: 71,048,218 km (0.113 R)
• M41: 77,937,349 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.2

Radius: 6.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 15.52 AU - 16.28 AU

Year: 22817 Days

Day: 20 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,855,113 km

• M1: 75,846 km (0.081 R)
• M2: 340,335 km (0.031 R)
• M3: 1,061,098 km (0.101 R)
• M4: 1,482,216 km (0.1 R)
• M5: 1,707,809 km (0.04 R)
• M6: 2,153,761 km (0.112 R)
• M7: 2,485,419 km (0.06 R)
• M8: 3,934,723 km (0.113 R)
• M9: 4,616,141 km (0.101 R)
• M10: 4,806,131 km (0.062 R)
• M11: 6,882,250 km (0.091 R)
• M12: 8,653,788 km (0.107 R)
• M13: 16,112,738 km (0.04 R)
• M14: 16,477,757 km (0.065 R)
• M15: 19,270,599 km (0.079 R)
• M16: 21,037,500 km (0.064 R)
• M17: 21,738,216 km (0.068 R)
• M18: 22,273,777 km (0.099 R)
• M19: 22,544,848 km (0.057 R)
• M20: 33,717,116 km (0.094 R)
• M21: 34,555,163 km (0.077 R)
• M22: 36,522,675 km (0.101 R)
• M23: 38,046,329 km (0.052 R)
• M24: 40,009,951 km (0.088 R)
• M25: 43,010,585 km (0.028 R)
• M26: 47,042,247 km (0.104 R)
• M27: 48,844,602 km (0.073 R)
• M28: 51,004,945 km (0.11 R)
• M29: 54,527,077 km (0.043 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 20,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit