🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.62 AU

Year: 143 Days

Day: 26.4 Hours

Environment

Temp: 205 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.04 AU - 1.3 AU

Year: 469 Days

Day: 43.7 Hours

Environment

Temp: 5 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 105,152,286 km

• M1: 220,208 km (0.076 R)
• M2: 884,572 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.98 AU - 1.4 AU

Year: 481 Days

Day: 37 Hours

Environment

Temp: 10 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.21 AU - 1.33 AU

Year: 531 Days

Day: 18 Hours

Environment

Temp: -9 °C

Axial Tilt: 142.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 105,152,286 km

• M1: 103,821 km (0.088 R)
• M2: 292,015 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.23 AU - 1.49 AU

Year: 588 Days

Day: 26.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 64.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,152,286 km

• M1: 135,685 km (0.1 R)
• M2: 261,647 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.6 AU - 3.62 AU

Year: 2544 Days

Day: 27.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.12 AU - 4.18 AU

Year: 2586 Days

Day: 37 Hours

Environment

Temp: -111 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.6

Radius: 14

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.41 AU - 10.69 AU

Year: 12708 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 105,152,286 km

• M1: 174,132 km (0.104 R)
• M2: 680,820 km (0.097 R)
• M3: 1,379,442 km (0.069 R)
• M4: 2,574,879 km (0.107 R)
• M5: 3,279,634 km (0.039 R)
• M6: 4,591,907 km (0.054 R)
• M7: 6,153,110 km (0.116 R)
• M8: 7,682,748 km (0.057 R)
• M9: 13,136,339 km (0.117 R)
• M10: 15,296,233 km (0.088 R)
• M11: 17,141,522 km (0.107 R)
• M12: 19,048,596 km (0.109 R)
• M13: 20,310,305 km (0.068 R)
• M14: 21,716,674 km (0.079 R)
• M15: 22,906,426 km (0.078 R)
• M16: 23,470,111 km (0.079 R)
• M17: 24,527,319 km (0.112 R)
• M18: 25,415,781 km (0.101 R)
• M19: 26,633,657 km (0.081 R)
• M20: 37,425,647 km (0.077 R)
• M21: 39,134,504 km (0.102 R)
• M22: 40,211,758 km (0.111 R)
• M23: 41,308,610 km (0.111 R)
• M24: 42,991,137 km (0.087 R)
• M25: 45,158,062 km (0.092 R)
• M26: 48,159,444 km (0.057 R)
• M27: 51,291,276 km (0.106 R)
• M28: 53,562,919 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.6

Radius: 4

Gravity: 52.41 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 17.92 AU - 18.96 AU

Year: 29366 Days

Day: 17.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 105,152,286 km

• M1: 49,816 km (0.039 R)
• M2: 197,469 km (0.038 R)
• M3: 350,657 km (0.082 R)
• M4: 488,437 km (0.07 R)
• M5: 642,523 km (0.029 R)
• M6: 805,285 km (0.077 R)
• M7: 1,153,699 km (0.107 R)
• M8: 1,595,461 km (0.059 R)
• M9: 1,731,745 km (0.092 R)
• M10: 2,095,567 km (0.113 R)
• M11: 3,002,579 km (0.027 R)
• M12: 3,461,545 km (0.043 R)
• M13: 3,591,546 km (0.09 R)
• M14: 3,792,605 km (0.094 R)
• M15: 4,072,353 km (0.065 R)
• M16: 4,633,644 km (0.099 R)
• M17: 5,160,528 km (0.12 R)
• M18: 5,726,307 km (0.113 R)
• M19: 6,980,087 km (0.058 R)
• M20: 7,892,335 km (0.065 R)
• M21: 9,187,254 km (0.077 R)
• M22: 9,627,221 km (0.104 R)
• M23: 11,242,729 km (0.119 R)
• M24: 11,528,610 km (0.077 R)
• M25: 14,827,991 km (0.046 R)
• M26: 19,411,670 km (0.065 R)
• M27: 26,330,272 km (0.112 R)
• M28: 27,472,751 km (0.116 R)
• M29: 28,515,748 km (0.119 R)
• M30: 32,806,663 km (0.11 R)
• M31: 34,576,855 km (0.106 R)
• M32: 37,350,100 km (0.077 R)
• M33: 41,442,649 km (0.094 R)
• M34: 44,924,091 km (0.119 R)
• M35: 47,103,882 km (0.073 R)
• M36: 53,259,086 km (0.099 R)
• M37: 87,346,307 km (0.114 R)
• M38: 96,866,716 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 20,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit