🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.82 AU - 0.88 AU

Year: 278 Days

Day: 13.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.07 AU - 1.55 AU

Year: 532 Days

Day: 45 Hours

Environment

Temp: -7 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.69 AU - 3.23 AU

Year: 1807 Days

Day: 23.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.93 AU - 4.35 AU

Year: 2464 Days

Day: 31.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,632,962 km

• M1: 48,769 km (0.11 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 14.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.35 AU - 6.91 AU

Year: 5384 Days

Day: 9.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,632,962 km

• M1: 175,478 km (0.109 R)
• M2: 720,613 km (0.081 R)
• M3: 1,317,957 km (0.084 R)
• M4: 1,884,634 km (0.04 R)
• M5: 3,025,916 km (0.111 R)
• M6: 3,587,806 km (0.104 R)
• M7: 4,388,304 km (0.1 R)
• M8: 4,844,727 km (0.095 R)
• M9: 6,220,429 km (0.113 R)
• M10: 7,554,393 km (0.054 R)
• M11: 8,596,492 km (0.118 R)
• M12: 9,152,398 km (0.047 R)
• M13: 9,690,052 km (0.106 R)
• M14: 11,290,151 km (0.052 R)
• M15: 12,500,697 km (0.08 R)
• M16: 13,111,805 km (0.05 R)
• M17: 13,583,187 km (0.087 R)
• M18: 14,174,548 km (0.111 R)
• M19: 15,008,706 km (0.085 R)
• M20: 15,582,862 km (0.093 R)
• M21: 16,653,235 km (0.083 R)
• M22: 19,611,533 km (0.104 R)
• M23: 23,512,297 km (0.048 R)
• M24: 24,444,591 km (0.097 R)
• M25: 25,240,302 km (0.081 R)
• M26: 30,200,070 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 14.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 12.23 AU - 12.81 AU

Year: 15716 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,632,962 km

• M1: 185,651 km (0.119 R)
• M2: 650,152 km (0.098 R)
• M3: 1,324,988 km (0.057 R)
• M4: 2,259,825 km (0.111 R)
• M5: 4,685,256 km (0.115 R)
• M6: 5,714,788 km (0.093 R)
• M7: 9,719,224 km (0.11 R)
• M8: 10,814,131 km (0.105 R)
• M9: 14,804,205 km (0.092 R)
• M10: 17,636,093 km (0.102 R)
• M11: 23,383,643 km (0.097 R)
• M12: 27,522,119 km (0.076 R)
• M13: 30,499,715 km (0.111 R)
• M14: 36,958,603 km (0.053 R)
• M15: 40,713,659 km (0.068 R)
• M16: 41,550,210 km (0.11 R)
• M17: 47,730,697 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.1

Radius: 7.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 11.49 AU - 16.81 AU

Year: 18883 Days

Day: 23.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,632,962 km

• M1: 94,695 km (0.097 R)
• M2: 418,575 km (0.06 R)
• M3: 1,502,112 km (0.119 R)
• M4: 2,006,855 km (0.077 R)
• M5: 2,802,716 km (0.106 R)
• M6: 3,068,552 km (0.089 R)
• M7: 3,324,663 km (0.106 R)
• M8: 3,822,226 km (0.096 R)
• M9: 4,693,783 km (0.051 R)
• M10: 5,211,990 km (0.091 R)
• M11: 7,129,236 km (0.102 R)
• M12: 7,720,148 km (0.105 R)
• M13: 9,527,440 km (0.032 R)
• M14: 11,661,304 km (0.097 R)
• M15: 13,955,387 km (0.103 R)
• M16: 16,379,022 km (0.109 R)
• M17: 17,245,643 km (0.071 R)
• M18: 17,977,176 km (0.108 R)
• M19: 25,309,417 km (0.064 R)
• M20: 28,211,914 km (0.113 R)
• M21: 32,295,039 km (0.076 R)
• M22: 45,022,676 km (0.05 R)
• M23: 53,758,743 km (0.088 R)
• M24: 54,447,491 km (0.037 R)
• M25: 55,316,655 km (0.115 R)
• M26: 57,619,714 km (0.117 R)
• M27: 60,913,111 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.3

Radius: 4.2

Gravity: 31.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 13.98 AU - 21.14 AU

Year: 26105 Days

Day: 20.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,632,962 km

• M1: 52,509 km (0.11 R)
• M2: 562,189 km (0.115 R)
• M3: 802,443 km (0.082 R)
• M4: 965,205 km (0.082 R)
• M5: 1,849,927 km (0.054 R)
• M6: 2,136,557 km (0.07 R)
• M7: 2,572,036 km (0.062 R)
• M8: 3,406,044 km (0.07 R)
• M9: 3,586,160 km (0.057 R)
• M10: 4,804,186 km (0.058 R)
• M11: 9,761,411 km (0.094 R)
• M12: 11,471,165 km (0.089 R)
• M13: 12,502,343 km (0.107 R)
• M14: 12,644,311 km (0.117 R)
• M15: 13,149,952 km (0.113 R)
• M16: 17,689,649 km (0.099 R)
• M17: 18,048,983 km (0.093 R)
• M18: 25,719,464 km (0.12 R)
• M19: 28,080,119 km (0.036 R)
• M20: 29,689,493 km (0.106 R)
• M21: 32,820,576 km (0.087 R)
• M22: 32,955,513 km (0.111 R)
• M23: 37,770,470 km (0.106 R)
• M24: 42,230,731 km (0.095 R)
• M25: 43,520,115 km (0.034 R)
• M26: 45,839,480 km (0.064 R)
• M27: 47,545,644 km (0.095 R)
• M28: 48,239,778 km (0.046 R)
• M29: 49,293,695 km (0.074 R)
• M30: 51,084,082 km (0.044 R)
• M31: 53,850,297 km (0.052 R)
• M32: 54,984,249 km (0.03 R)
• M33: 57,495,398 km (0.082 R)
• M34: 70,978,355 km (0.055 R)
• M35: 76,770,336 km (0.07 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 12,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit