🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.4 AU - 0.62 AU

Year: 136 Days

Day: 17.8 Hours

Environment

Temp: 241 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.81 AU - 0.89 AU

Year: 294 Days

Day: 24.9 Hours

Environment

Temp: 91 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.26 AU

Year: 397 Days

Day: 47.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.41 AU - 3.49 AU

Year: 2401 Days

Day: 22.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,671,324 km

• M1: 953,238 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.62 AU - 4.18 AU

Year: 2886 Days

Day: 32 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,671,324 km

• M1: 50,714 km (0.098 R)
• M2: 535,560 km (0.065 R)

Asteroid Belt

Center: 5.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 13.3

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.11 AU - 8.67 AU

Year: 8305 Days

Day: 6.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,671,324 km

• M1: 166,054 km (0.112 R)
• M2: 631,153 km (0.115 R)
• M3: 1,855,612 km (0.082 R)
• M4: 2,433,658 km (0.031 R)
• M5: 3,074,984 km (0.066 R)
• M6: 3,784,826 km (0.082 R)
• M7: 4,898,881 km (0.057 R)
• M8: 6,371,074 km (0.086 R)
• M9: 6,837,071 km (0.085 R)
• M10: 7,325,957 km (0.104 R)
• M11: 8,156,674 km (0.104 R)
• M12: 14,307,690 km (0.104 R)
• M13: 16,340,875 km (0.068 R)
• M14: 16,980,854 km (0.114 R)
• M15: 17,758,614 km (0.048 R)
• M16: 18,938,043 km (0.117 R)
• M17: 20,501,640 km (0.118 R)
• M18: 23,296,577 km (0.063 R)
• M19: 24,182,346 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.82 AU - 10.72 AU

Year: 10577 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,671,324 km

• M1: 184,155 km (0.11 R)
• M2: 644,318 km (0.085 R)
• M3: 1,108,969 km (0.111 R)
• M4: 1,580,352 km (0.03 R)
• M5: 2,120,251 km (0.028 R)
• M6: 2,804,960 km (0.038 R)
• M7: 3,437,011 km (0.047 R)
• M8: 4,080,731 km (0.105 R)
• M9: 4,804,186 km (0.105 R)
• M10: 5,924,524 km (0.09 R)
• M11: 6,699,591 km (0.1 R)
• M12: 7,709,526 km (0.098 R)
• M13: 8,772,569 km (0.051 R)
• M14: 9,731,341 km (0.048 R)
• M15: 10,705,972 km (0.119 R)
• M16: 11,576,332 km (0.119 R)
• M17: 12,909,548 km (0.092 R)
• M18: 16,369,298 km (0.092 R)
• M19: 17,822,342 km (0.095 R)
• M20: 20,405,449 km (0.103 R)
• M21: 21,658,481 km (0.052 R)
• M22: 26,304,242 km (0.106 R)
• M23: 28,499,142 km (0.065 R)
• M24: 36,415,263 km (0.067 R)
• M25: 38,257,112 km (0.079 R)
• M26: 40,678,503 km (0.101 R)
• M27: 49,289,806 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.3

Radius: 5.3

Gravity: 24.29 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 11.28 AU - 15.46 AU

Year: 18320 Days

Day: 18.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,671,324 km

• M1: 66,272 km (0.117 R)
• M2: 497,563 km (0.102 R)
• M3: 881,580 km (0.111 R)
• M4: 1,267,244 km (0.114 R)
• M5: 1,538,913 km (0.107 R)
• M6: 1,941,780 km (0.073 R)
• M7: 4,965,004 km (0.042 R)
• M8: 8,234,914 km (0.102 R)
• M9: 8,698,219 km (0.116 R)
• M10: 10,368,329 km (0.111 R)
• M11: 10,908,378 km (0.089 R)
• M12: 11,341,164 km (0.076 R)
• M13: 13,893,005 km (0.106 R)
• M14: 15,225,473 km (0.068 R)
• M15: 15,532,747 km (0.04 R)
• M16: 15,844,060 km (0.089 R)
• M17: 16,803,282 km (0.046 R)
• M18: 19,459,541 km (0.069 R)
• M19: 25,694,332 km (0.118 R)
• M20: 31,997,937 km (0.086 R)
• M21: 38,686,458 km (0.097 R)
• M22: 39,981,826 km (0.073 R)
• M23: 42,810,572 km (0.112 R)
• M24: 47,055,861 km (0.033 R)
• M25: 51,057,753 km (0.106 R)
• M26: 52,092,522 km (0.101 R)
• M27: 52,789,947 km (0.087 R)
• M28: 53,848,053 km (0.104 R)
• M29: 59,350,562 km (0.066 R)
• M30: 66,434,021 km (0.081 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 17,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit