🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.79 AU - 0.81 AU

Year: 265 Days

Day: 40.4 Hours

Environment

Temp: 164 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.7 AU - 1.04 AU

Year: 301 Days

Day: 18.4 Hours

Environment

Temp: 125 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.84 AU - 1.08 AU

Year: 349 Days

Day: 39.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 67 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,417,078 km

• M1: 265,686 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.16 AU - 1.44 AU

Year: 550 Days

Day: 44.2 Hours

Environment

Temp: -5 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 72,417,078 km

• M1: 11,669 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.66 AU - 1.78 AU

Year: 837 Days

Day: 42.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 11.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.63 AU - 7.13 AU

Year: 5288 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,417,078 km

• M1: 140,024 km (0.106 R)
• M2: 491,878 km (0.06 R)
• M3: 1,819,858 km (0.106 R)
• M4: 2,991,658 km (0.1 R)
• M5: 3,610,844 km (0.107 R)
• M6: 4,334,299 km (0.112 R)
• M7: 5,414,097 km (0.089 R)
• M8: 5,785,997 km (0.081 R)
• M9: 6,665,034 km (0.101 R)
• M10: 8,163,257 km (0.09 R)
• M11: 8,821,637 km (0.119 R)
• M12: 10,132,563 km (0.028 R)
• M13: 12,063,123 km (0.068 R)
• M14: 13,093,105 km (0.089 R)
• M15: 14,842,652 km (0.116 R)
• M16: 15,873,830 km (0.074 R)
• M17: 16,484,189 km (0.113 R)
• M18: 18,744,314 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 13.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.2 AU - 13.6 AU

Year: 13346 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,417,078 km

• M1: 168,746 km (0.043 R)
• M2: 739,313 km (0.096 R)
• M3: 1,177,934 km (0.045 R)
• M4: 1,698,385 km (0.045 R)
• M5: 2,251,298 km (0.086 R)
• M6: 2,862,555 km (0.078 R)
• M7: 3,653,928 km (0.073 R)
• M8: 4,614,795 km (0.093 R)
• M9: 5,902,534 km (0.069 R)
• M10: 6,630,477 km (0.064 R)
• M11: 8,140,817 km (0.087 R)
• M12: 10,204,370 km (0.089 R)
• M13: 14,405,677 km (0.085 R)
• M14: 15,921,103 km (0.085 R)
• M15: 25,125,710 km (0.069 R)
• M16: 27,128,826 km (0.042 R)
• M17: 40,449,020 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.5

Radius: 6.2

Gravity: 22.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 10.46 AU - 14.8 AU

Year: 16646 Days

Day: 24.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,417,078 km

• M1: 80,783 km (0.037 R)
• M2: 288,574 km (0.115 R)
• M3: 638,633 km (0.072 R)
• M4: 1,040,154 km (0.113 R)
• M5: 2,469,861 km (0.116 R)
• M6: 2,945,582 km (0.116 R)
• M7: 5,630,265 km (0.079 R)
• M8: 6,072,776 km (0.104 R)
• M9: 7,072,539 km (0.045 R)
• M10: 7,879,021 km (0.036 R)
• M11: 8,957,771 km (0.052 R)
• M12: 11,030,749 km (0.059 R)
• M13: 11,852,041 km (0.102 R)
• M14: 12,645,508 km (0.08 R)
• M15: 13,901,532 km (0.112 R)
• M16: 14,118,598 km (0.097 R)
• M17: 14,411,660 km (0.115 R)
• M18: 19,943,491 km (0.119 R)
• M19: 21,640,080 km (0.067 R)
• M20: 24,889,645 km (0.107 R)
• M21: 27,873,075 km (0.111 R)
• M22: 29,391,045 km (0.069 R)
• M23: 29,749,033 km (0.07 R)
• M24: 30,717,828 km (0.108 R)
• M25: 32,083,956 km (0.106 R)
• M26: 35,338,757 km (0.102 R)
• M27: 36,424,987 km (0.081 R)
• M28: 37,115,232 km (0.119 R)
• M29: 37,954,775 km (0.1 R)
• M30: 41,440,106 km (0.104 R)
• M31: 42,343,677 km (0.081 R)
• M32: 47,713,194 km (0.095 R)
• M33: 49,374,777 km (0.104 R)
• M34: 59,588,123 km (0.104 R)
• M35: 60,353,466 km (0.1 R)
• M36: 61,319,419 km (0.084 R)
• M37: 63,879,039 km (0.052 R)
• M38: 71,767,933 km (0.076 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 15,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit