🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.46 AU - 0.64 AU

Year: 143 Days

Day: 34.2 Hours

Environment

Temp: 238 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.45 AU - 0.75 AU

Year: 163 Days

Day: 43.1 Hours

Environment

Temp: 252 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.14 AU - 1.52 AU

Year: 539 Days

Day: 20.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.24 AU - 1.48 AU

Year: 557 Days

Day: 21.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,355,868 km

• M1: 17,204 km (0.112 R)

Asteroid Belt

Center: 1.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.04 AU - 2.12 AU

Year: 1054 Days

Day: 26.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,355,868 km

• M1: 35,903 km (0.114 R)
• M2: 914,492 km (0.038 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.83 AU - 2.57 AU

Year: 1147 Days

Day: 14.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.81 AU - 5.81 AU

Year: 4301 Days

Day: 18.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 9.1

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.02 AU - 7.72 AU

Year: 6329 Days

Day: 10.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,355,868 km

• M1: 113,096 km (0.113 R)
• M2: 460,761 km (0.079 R)
• M3: 2,090,181 km (0.11 R)
• M4: 3,032,498 km (0.035 R)
• M5: 5,423,372 km (0.054 R)
• M6: 6,716,047 km (0.093 R)
• M7: 7,323,564 km (0.075 R)
• M8: 8,123,912 km (0.113 R)
• M9: 9,498,118 km (0.1 R)
• M10: 9,808,384 km (0.093 R)
• M11: 10,125,532 km (0.091 R)
• M12: 11,815,090 km (0.119 R)
• M13: 12,860,929 km (0.11 R)
• M14: 13,517,364 km (0.064 R)
• M15: 17,933,942 km (0.114 R)
• M16: 19,242,475 km (0.078 R)
• M17: 19,956,057 km (0.082 R)
• M18: 22,436,988 km (0.089 R)
• M19: 25,710,937 km (0.093 R)
• M20: 27,461,681 km (0.095 R)
• M21: 30,617,897 km (0.098 R)
• M22: 31,004,308 km (0.099 R)
• M23: 31,492,147 km (0.037 R)
• M24: 32,383,002 km (0.072 R)
• M25: 32,885,053 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.5

Radius: 6.9

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 17.33 AU - 21.43 AU

Year: 29985 Days

Day: 15.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,355,868 km

• M1: 85,869 km (0.052 R)
• M2: 480,508 km (0.12 R)
• M3: 745,446 km (0.106 R)
• M4: 1,234,182 km (0.092 R)
• M5: 1,482,964 km (0.066 R)
• M6: 1,821,952 km (0.107 R)
• M7: 2,391,920 km (0.076 R)
• M8: 3,816,391 km (0.039 R)
• M9: 4,671,642 km (0.053 R)
• M10: 7,285,416 km (0.118 R)
• M11: 10,050,135 km (0.037 R)
• M12: 10,676,650 km (0.067 R)
• M13: 11,732,811 km (0.115 R)
• M14: 12,007,323 km (0.037 R)
• M15: 12,427,245 km (0.114 R)
• M16: 13,296,408 km (0.093 R)
• M17: 13,594,856 km (0.096 R)
• M18: 14,283,006 km (0.067 R)
• M19: 15,480,986 km (0.069 R)
• M20: 16,231,219 km (0.04 R)
• M21: 17,894,149 km (0.118 R)
• M22: 18,349,974 km (0.101 R)
• M23: 19,095,271 km (0.104 R)
• M24: 19,957,852 km (0.055 R)
• M25: 23,777,684 km (0.114 R)
• M26: 24,663,303 km (0.03 R)
• M27: 29,046,820 km (0.119 R)
• M28: 33,371,246 km (0.114 R)
• M29: 34,620,986 km (0.087 R)
• M30: 36,046,056 km (0.11 R)
• M31: 37,806,972 km (0.073 R)
• M32: 40,398,755 km (0.101 R)
• M33: 49,413,972 km (0.117 R)
• M34: 56,504,013 km (0.064 R)
• M35: 57,091,035 km (0.089 R)
• M36: 61,520,628 km (0.106 R)
• M37: 70,603,014 km (0.109 R)
• M38: 72,658,938 km (0.118 R)
• M39: 74,989,822 km (0.048 R)
• M40: 76,173,740 km (0.078 R)
• M41: 77,370,074 km (0.107 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 17,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit