🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.03 AU - 1.39 AU

Year: 474 Days

Day: 47.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.52 AU - 1.66 AU

Year: 715 Days

Day: 13.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.62 AU - 1.66 AU

Year: 749 Days

Day: 16.1 Hours

Environment

Temp: -41 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,940,035 km

• M1: 35,305 km (0.106 R)
• M2: 462,856 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.89 AU - 2.61 AU

Year: 1203 Days

Day: 19.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 48 °

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 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.6

Radius: 14.3

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.75 AU - 5.93 AU

Year: 4399 Days

Day: 6.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,940,035 km

• M1: 179,069 km (0.08 R)
• M2: 784,042 km (0.12 R)
• M3: 1,655,151 km (0.091 R)
• M4: 2,185,774 km (0.044 R)
• M5: 2,921,946 km (0.104 R)
• M6: 3,708,531 km (0.083 R)
• M7: 4,658,328 km (0.115 R)
• M8: 5,108,618 km (0.064 R)
• M9: 6,803,861 km (0.105 R)
• M10: 12,143,308 km (0.046 R)
• M11: 13,210,539 km (0.118 R)
• M12: 14,450,107 km (0.062 R)
• M13: 17,035,607 km (0.066 R)
• M14: 19,847,150 km (0.077 R)
• M15: 22,955,195 km (0.086 R)
• M16: 24,904,306 km (0.119 R)
• M17: 30,485,353 km (0.056 R)
• M18: 31,225,264 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 6

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 13.04 AU - 13.62 AU

Year: 17348 Days

Day: 16.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,940,035 km

• M1: 74,649 km (0.067 R)
• M2: 330,761 km (0.068 R)
• M3: 642,822 km (0.084 R)
• M4: 964,757 km (0.094 R)
• M5: 1,676,095 km (0.074 R)
• M6: 3,710,177 km (0.082 R)
• M7: 4,996,868 km (0.119 R)
• M8: 7,154,817 km (0.073 R)
• M9: 10,071,228 km (0.07 R)
• M10: 11,308,253 km (0.076 R)
• M11: 17,423,365 km (0.114 R)
• M12: 23,374,219 km (0.113 R)
• M13: 38,303,488 km (0.116 R)
• M14: 38,811,522 km (0.09 R)
• M15: 50,241,547 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.6

Radius: 6.6

Gravity: 21.46 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.81 AU - 17.13 AU

Year: 23825 Days

Day: 24.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,940,035 km

• M1: 94,695 km (0.104 R)
• M2: 305,030 km (0.058 R)
• M3: 773,870 km (0.104 R)
• M4: 1,280,707 km (0.042 R)
• M5: 1,967,960 km (0.116 R)
• M6: 2,441,138 km (0.109 R)
• M7: 4,144,609 km (0.087 R)
• M8: 4,765,739 km (0.084 R)
• M9: 5,702,671 km (0.034 R)
• M10: 7,989,573 km (0.112 R)
• M11: 8,601,878 km (0.112 R)
• M12: 12,285,127 km (0.093 R)
• M13: 12,503,839 km (0.101 R)
• M14: 13,714,983 km (0.049 R)
• M15: 19,740,935 km (0.081 R)
• M16: 20,344,712 km (0.075 R)
• M17: 22,555,320 km (0.099 R)
• M18: 22,993,791 km (0.118 R)
• M19: 26,465,659 km (0.042 R)
• M20: 27,447,170 km (0.092 R)
• M21: 28,452,917 km (0.111 R)
• M22: 29,223,046 km (0.099 R)
• M23: 30,271,578 km (0.066 R)
• M24: 36,041,119 km (0.106 R)
• M25: 36,640,558 km (0.105 R)
• M26: 48,960,391 km (0.047 R)
• M27: 50,811,665 km (0.109 R)
• M28: 55,444,112 km (0.111 R)
• M29: 58,067,162 km (0.103 R)
• M30: 66,655,126 km (0.053 R)
• M31: 69,157,001 km (0.054 R)
• M32: 76,051,818 km (0.12 R)
• M33: 80,299,051 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.5

Radius: 5.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 18.69 AU - 18.81 AU

Year: 28940 Days

Day: 15.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,940,035 km

• M1: 142,866 km (0.041 R)
• M2: 2,065,797 km (0.1 R)
• M3: 2,302,012 km (0.079 R)
• M4: 3,097,873 km (0.075 R)
• M5: 6,304,503 km (0.056 R)
• M6: 11,446,032 km (0.12 R)
• M7: 14,935,702 km (0.109 R)
• M8: 25,033,708 km (0.082 R)
• M9: 25,508,232 km (0.116 R)
• M10: 28,792,055 km (0.119 R)
• M11: 31,349,879 km (0.042 R)
• M12: 31,790,445 km (0.108 R)
• M13: 41,623,663 km (0.12 R)
• M14: 49,641,361 km (0.11 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 16,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit