🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.88 AU - 1.38 AU

Year: 448 Days

Day: 20.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.24 AU - 1.48 AU

Year: 591 Days

Day: 19.6 Hours

Environment

Temp: -27 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.22 AU - 2.58 AU

Year: 1386 Days

Day: 39.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.05 AU - 2.95 AU

Year: 1474 Days

Day: 33.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.8 AU - 4.4 AU

Year: 2546 Days

Day: 15.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 9.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.31 AU - 5.59 AU

Year: 4105 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,212,206 km

• M1: 120,576 km (0.076 R)
• M2: 477,068 km (0.079 R)
• M3: 1,214,136 km (0.086 R)
• M4: 1,638,845 km (0.08 R)
• M5: 2,030,641 km (0.049 R)
• M6: 2,484,671 km (0.084 R)
• M7: 4,222,549 km (0.112 R)
• M8: 8,082,474 km (0.12 R)
• M9: 8,939,670 km (0.12 R)
• M10: 9,408,808 km (0.12 R)
• M11: 9,932,401 km (0.075 R)
• M12: 10,633,865 km (0.109 R)
• M13: 12,223,044 km (0.026 R)
• M14: 14,012,683 km (0.098 R)
• M15: 15,095,921 km (0.073 R)
• M16: 15,970,620 km (0.069 R)
• M17: 18,855,914 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 10.5

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.41 AU - 10.55 AU

Year: 10881 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,212,206 km

• M1: 131,646 km (0.061 R)
• M2: 654,491 km (0.085 R)
• M3: 991,535 km (0.042 R)
• M4: 1,547,740 km (0.094 R)
• M5: 1,957,937 km (0.031 R)
• M6: 2,303,059 km (0.058 R)
• M7: 2,646,686 km (0.105 R)
• M8: 3,071,394 km (0.049 R)
• M9: 4,030,466 km (0.061 R)
• M10: 5,737,527 km (0.106 R)
• M11: 6,812,537 km (0.084 R)
• M12: 8,016,950 km (0.058 R)
• M13: 8,385,858 km (0.086 R)
• M14: 11,294,938 km (0.109 R)
• M15: 12,602,573 km (0.107 R)
• M16: 13,292,968 km (0.054 R)
• M17: 14,409,267 km (0.113 R)
• M18: 15,945,338 km (0.09 R)
• M19: 17,665,115 km (0.098 R)
• M20: 19,921,500 km (0.071 R)
• M21: 21,031,815 km (0.103 R)
• M22: 23,375,565 km (0.111 R)
• M23: 23,751,056 km (0.098 R)
• M24: 24,610,346 km (0.098 R)
• M25: 26,391,308 km (0.072 R)
• M26: 27,003,612 km (0.106 R)
• M27: 27,834,629 km (0.043 R)
• M28: 36,725,978 km (0.067 R)
• M29: 38,393,097 km (0.059 R)
• M30: 44,986,174 km (0.095 R)
• M31: 49,468,575 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.6

Radius: 6.8

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 17.27 AU - 18.23 AU

Year: 27877 Days

Day: 15.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,212,206 km

• M1: 87,814 km (0.052 R)
• M2: 420,220 km (0.067 R)
• M3: 712,535 km (0.025 R)
• M4: 931,247 km (0.067 R)
• M5: 1,526,945 km (0.075 R)
• M6: 1,742,965 km (0.099 R)
• M7: 2,769,505 km (0.076 R)
• M8: 3,037,884 km (0.114 R)
• M9: 4,116,784 km (0.111 R)
• M10: 6,250,947 km (0.066 R)
• M11: 9,682,872 km (0.114 R)
• M12: 12,904,013 km (0.045 R)
• M13: 13,126,316 km (0.094 R)
• M14: 13,731,589 km (0.043 R)
• M15: 14,355,412 km (0.096 R)
• M16: 16,600,427 km (0.107 R)
• M17: 20,142,007 km (0.066 R)
• M18: 21,151,493 km (0.093 R)
• M19: 22,406,769 km (0.087 R)
• M20: 24,608,102 km (0.092 R)
• M21: 25,644,217 km (0.119 R)
• M22: 29,053,253 km (0.046 R)
• M23: 35,289,988 km (0.059 R)
• M24: 36,164,088 km (0.1 R)
• M25: 37,652,737 km (0.071 R)
• M26: 40,751,806 km (0.102 R)
• M27: 42,037,600 km (0.107 R)
• M28: 43,184,717 km (0.053 R)
• M29: 46,576,848 km (0.086 R)
• M30: 49,960,154 km (0.105 R)
• M31: 52,744,020 km (0.098 R)
• M32: 55,239,014 km (0.095 R)
• M33: 56,219,329 km (0.089 R)
• M34: 56,812,933 km (0.102 R)
• M35: 69,127,830 km (0.101 R)
• M36: 76,144,119 km (0.119 R)
• M37: 78,831,196 km (0.114 R)
• M38: 79,326,365 km (0.08 R)
• M39: 89,135,049 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 17,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit