🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.53 AU - 0.57 AU

Year: 156 Days

Day: 27.3 Hours

Environment

Temp: 177 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.73 AU - 0.89 AU

Year: 279 Days

Day: 39.1 Hours

Environment

Temp: 49 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.78 AU - 1.02 AU

Year: 327 Days

Day: 27.8 Hours

Environment

Temp: 22 °C

Axial Tilt: 29.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,147,877 km

• M1: 27,526 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.43 AU - 2.03 AU

Year: 871 Days

Day: 45.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 66.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.29 AU - 2.47 AU

Year: 1406 Days

Day: 40.9 Hours

Environment

Temp: -98 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,147,877 km

• M1: 498,610 km (0.086 R)
• M2: 1,672,205 km (0.087 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 9.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.98 AU - 4.48 AU

Year: 3331 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,147,877 km

• M1: 120,576 km (0.049 R)
• M2: 430,094 km (0.085 R)
• M3: 794,215 km (0.077 R)
• M4: 1,136,944 km (0.098 R)
• M5: 1,501,514 km (0.102 R)
• M6: 2,925,985 km (0.092 R)
• M7: 3,268,564 km (0.061 R)
• M8: 3,816,391 km (0.101 R)
• M9: 4,442,758 km (0.101 R)
• M10: 4,819,595 km (0.108 R)
• M11: 5,156,489 km (0.111 R)
• M12: 5,658,988 km (0.074 R)
• M13: 6,102,546 km (0.107 R)
• M14: 7,160,053 km (0.055 R)
• M15: 8,112,842 km (0.078 R)
• M16: 8,706,297 km (0.042 R)
• M17: 9,147,760 km (0.117 R)
• M18: 9,511,582 km (0.07 R)
• M19: 9,980,123 km (0.097 R)
• M20: 11,408,633 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.7

Radius: 6.6

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.84 AU - 16.08 AU

Year: 18908 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,147,877 km

• M1: 82,279 km (0.114 R)
• M2: 477,666 km (0.118 R)
• M3: 1,364,033 km (0.111 R)
• M4: 1,869,525 km (0.078 R)
• M5: 2,980,588 km (0.116 R)
• M6: 3,219,795 km (0.118 R)
• M7: 3,921,259 km (0.085 R)
• M8: 6,635,563 km (0.103 R)
• M9: 7,091,537 km (0.06 R)
• M10: 7,327,154 km (0.109 R)
• M11: 11,265,767 km (0.108 R)
• M12: 13,215,476 km (0.097 R)
• M13: 15,067,946 km (0.047 R)
• M14: 16,669,392 km (0.045 R)
• M15: 17,340,637 km (0.076 R)
• M16: 17,682,917 km (0.113 R)
• M17: 18,647,524 km (0.068 R)
• M18: 20,777,050 km (0.112 R)
• M19: 21,751,530 km (0.045 R)
• M20: 28,129,336 km (0.112 R)
• M21: 30,421,924 km (0.111 R)
• M22: 31,423,482 km (0.098 R)
• M23: 35,512,440 km (0.119 R)
• M24: 40,689,574 km (0.089 R)
• M25: 45,694,969 km (0.102 R)
• M26: 46,348,113 km (0.05 R)
• M27: 51,270,930 km (0.083 R)
• M28: 57,662,649 km (0.097 R)
• M29: 59,001,699 km (0.109 R)
• M30: 59,970,794 km (0.09 R)
• M31: 66,843,470 km (0.1 R)
• M32: 67,053,206 km (0.079 R)
• M33: 74,673,124 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.7

Radius: 5.8

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 15.18 AU - 15.3 AU

Year: 22780 Days

Day: 15.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,147,877 km

• M1: 72,106 km (0.059 R)
• M2: 312,061 km (0.097 R)
• M3: 552,016 km (0.117 R)
• M4: 768,634 km (0.087 R)
• M5: 1,365,081 km (0.047 R)
• M6: 1,734,887 km (0.099 R)
• M7: 1,934,151 km (0.106 R)
• M8: 3,119,564 km (0.11 R)
• M9: 3,443,743 km (0.094 R)
• M10: 4,353,448 km (0.051 R)
• M11: 7,498,593 km (0.049 R)
• M12: 9,009,981 km (0.087 R)
• M13: 11,017,135 km (0.079 R)
• M14: 14,301,556 km (0.051 R)
• M15: 16,444,247 km (0.113 R)
• M16: 17,675,736 km (0.074 R)
• M17: 23,932,368 km (0.086 R)
• M18: 28,293,894 km (0.089 R)
• M19: 33,285,077 km (0.093 R)
• M20: 36,326,552 km (0.083 R)
• M21: 36,873,781 km (0.074 R)
• M22: 37,565,521 km (0.097 R)
• M23: 46,393,142 km (0.111 R)
• M24: 46,875,745 km (0.067 R)
• M25: 54,520,495 km (0.089 R)
• M26: 58,730,478 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 16,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit