🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.44 AU - 0.72 AU

Year: 161 Days

Day: 44.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,858,780 km

• M1: 55,501 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.99 AU - 0.99 AU

Year: 358 Days

Day: 43.6 Hours

Environment

Temp: 34 °C

Axial Tilt: 9.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.23 AU - 1.57 AU

Year: 602 Days

Day: 14 Hours

Environment

Temp: -12 °C

Axial Tilt: 45.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.14 AU - 4.6 AU

Year: 3320 Days

Day: 45.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.38 AU - 5.46 AU

Year: 3377 Days

Day: 25.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.34 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 8.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 9.36 AU - 15.14 AU

Year: 15582 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,858,780 km

• M1: 108,159 km (0.108 R)
• M2: 400,922 km (0.109 R)
• M3: 875,447 km (0.103 R)
• M4: 2,114,566 km (0.12 R)
• M5: 2,388,629 km (0.116 R)
• M6: 2,938,252 km (0.074 R)
• M7: 4,197,716 km (0.11 R)
• M8: 4,570,215 km (0.108 R)
• M9: 4,964,705 km (0.048 R)
• M10: 10,366,235 km (0.077 R)
• M11: 15,493,403 km (0.092 R)
• M12: 15,786,914 km (0.053 R)
• M13: 18,108,074 km (0.032 R)
• M14: 18,680,735 km (0.056 R)
• M15: 23,608,489 km (0.093 R)
• M16: 23,899,756 km (0.079 R)
• M17: 24,193,566 km (0.086 R)
• M18: 27,158,446 km (0.117 R)
• M19: 28,672,825 km (0.084 R)
• M20: 44,771,800 km (0.104 R)
• M21: 46,120,575 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.8

Radius: 3.5

Gravity: 69.78 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 15.09 AU - 15.61 AU

Year: 21857 Days

Day: 18.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,858,780 km

• M1: 43,533 km (0.08 R)
• M2: 156,031 km (0.108 R)
• M3: 399,277 km (0.055 R)
• M4: 1,400,834 km (0.117 R)
• M5: 1,811,032 km (0.107 R)
• M6: 2,118,605 km (0.104 R)
• M7: 2,389,078 km (0.081 R)
• M8: 3,864,711 km (0.07 R)
• M9: 3,996,058 km (0.104 R)
• M10: 4,848,018 km (0.095 R)
• M11: 5,520,161 km (0.062 R)
• M12: 6,342,651 km (0.084 R)
• M13: 6,571,984 km (0.116 R)
• M14: 6,759,281 km (0.033 R)
• M15: 9,953,943 km (0.047 R)
• M16: 10,707,916 km (0.038 R)
• M17: 11,634,825 km (0.115 R)
• M18: 13,951,647 km (0.117 R)
• M19: 14,496,482 km (0.063 R)
• M20: 16,046,616 km (0.105 R)
• M21: 16,905,307 km (0.098 R)
• M22: 17,884,725 km (0.05 R)
• M23: 25,705,552 km (0.102 R)
• M24: 27,843,006 km (0.101 R)
• M25: 33,698,716 km (0.114 R)
• M26: 33,837,393 km (0.12 R)
• M27: 34,536,464 km (0.094 R)
• M28: 36,691,720 km (0.113 R)
• M29: 37,133,183 km (0.089 R)
• M30: 44,022,315 km (0.096 R)
• M31: 51,164,716 km (0.107 R)
• M32: 51,531,530 km (0.102 R)
• M33: 54,530,219 km (0.111 R)
• M34: 61,283,965 km (0.12 R)
• M35: 67,467,593 km (0.057 R)
• M36: 68,574,168 km (0.112 R)
• M37: 73,820,116 km (0.12 R)
• M38: 77,140,740 km (0.098 R)
• M39: 77,381,743 km (0.106 R)
• M40: 79,818,692 km (0.072 R)
• M41: 85,875,012 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.9

Radius: 5.8

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 16.18 AU - 23.14 AU

Year: 31681 Days

Day: 19.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 111.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,858,780 km

• M1: 72,854 km (0.106 R)
• M2: 439,070 km (0.087 R)
• M3: 1,303,147 km (0.085 R)
• M4: 1,571,825 km (0.096 R)
• M5: 9,979,674 km (0.091 R)
• M6: 12,001,938 km (0.075 R)
• M7: 12,896,384 km (0.041 R)
• M8: 14,586,241 km (0.101 R)
• M9: 29,848,216 km (0.052 R)
• M10: 31,869,134 km (0.118 R)
• M11: 32,913,028 km (0.098 R)
• M12: 39,958,788 km (0.104 R)
• M13: 49,835,987 km (0.09 R)
• M14: 52,311,982 km (0.115 R)
• M15: 56,555,625 km (0.092 R)
• M16: 60,427,517 km (0.081 R)
• M17: 63,240,555 km (0.084 R)
• M18: 63,649,406 km (0.036 R)
• M19: 73,772,395 km (0.039 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 11,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit