🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.28 AU - 1.9 AU

Year: 740 Days

Day: 36.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.03 AU - 2.19 AU

Year: 1131 Days

Day: 18 Hours

Environment

Temp: -74 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.05 AU - 3.97 AU

Year: 2426 Days

Day: 40.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,407,586 km

• M1: 2,007,005 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.08 AU - 4.28 AU

Year: 3153 Days

Day: 43 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.09 AU - 4.33 AU

Year: 3187 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.8

Radius: 10.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.07 AU - 6.27 AU

Year: 4981 Days

Day: 11.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 105,407,586 km

• M1: 129,402 km (0.09 R)
• M2: 546,631 km (0.105 R)
• M3: 1,096,253 km (0.04 R)
• M4: 3,411,280 km (0.107 R)
• M5: 3,863,515 km (0.115 R)
• M6: 4,289,121 km (0.096 R)
• M7: 4,793,265 km (0.087 R)
• M8: 6,546,702 km (0.098 R)
• M9: 8,032,059 km (0.079 R)
• M10: 8,550,266 km (0.053 R)
• M11: 9,924,323 km (0.099 R)
• M12: 14,977,290 km (0.072 R)
• M13: 15,977,352 km (0.096 R)
• M14: 16,853,547 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 12.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 9.06 AU - 15.04 AU

Year: 15433 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,407,586 km

• M1: 175,628 km (0.037 R)
• M2: 577,747 km (0.099 R)
• M3: 1,067,530 km (0.046 R)
• M4: 1,605,335 km (0.05 R)
• M5: 2,145,682 km (0.076 R)
• M6: 2,565,454 km (0.083 R)
• M7: 4,279,845 km (0.089 R)
• M8: 7,689,331 km (0.082 R)
• M9: 9,380,684 km (0.103 R)
• M10: 10,212,897 km (0.081 R)
• M11: 17,403,468 km (0.026 R)
• M12: 23,225,967 km (0.05 R)
• M13: 25,114,939 km (0.102 R)
• M14: 26,429,905 km (0.108 R)
• M15: 29,094,841 km (0.042 R)
• M16: 33,926,553 km (0.095 R)
• M17: 34,380,283 km (0.096 R)
• M18: 44,465,125 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.4

Radius: 4.4

Gravity: 39.79 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 15.84 AU - 22.32 AU

Year: 30750 Days

Day: 20.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 105,407,586 km

• M1: 54,902 km (0.106 R)
• M2: 198,816 km (0.059 R)
• M3: 343,776 km (0.11 R)
• M4: 519,404 km (0.085 R)
• M5: 885,021 km (0.067 R)
• M6: 1,642,285 km (0.114 R)
• M7: 2,787,008 km (0.029 R)
• M8: 2,956,503 km (0.11 R)
• M9: 3,506,873 km (0.071 R)
• M10: 4,848,168 km (0.12 R)
• M11: 5,566,088 km (0.03 R)
• M12: 7,105,300 km (0.047 R)
• M13: 7,749,170 km (0.086 R)
• M14: 9,029,129 km (0.032 R)
• M15: 10,579,262 km (0.073 R)
• M16: 10,992,751 km (0.035 R)
• M17: 13,866,077 km (0.092 R)
• M18: 15,917,513 km (0.09 R)
• M19: 16,922,062 km (0.097 R)
• M20: 18,955,696 km (0.071 R)
• M21: 19,157,503 km (0.108 R)
• M22: 25,163,259 km (0.032 R)
• M23: 25,652,444 km (0.118 R)
• M24: 29,389,698 km (0.098 R)
• M25: 34,664,071 km (0.066 R)
• M26: 36,970,571 km (0.054 R)
• M27: 39,377,451 km (0.112 R)
• M28: 40,202,333 km (0.104 R)
• M29: 43,442,324 km (0.117 R)
• M30: 45,756,603 km (0.104 R)
• M31: 49,094,880 km (0.11 R)
• M32: 52,591,730 km (0.066 R)
• M33: 53,390,882 km (0.097 R)
• M34: 55,218,220 km (0.079 R)
• M35: 63,169,197 km (0.092 R)
• M36: 63,619,486 km (0.113 R)
• M37: 65,442,037 km (0.109 R)
• M38: 84,250,529 km (0.118 R)
• M39: 87,559,185 km (0.058 R)
• M40: 92,682,912 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 15,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit