🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.44 AU - 0.56 AU

Year: 130 Days

Day: 44.1 Hours

Environment

Temp: 167 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.42 AU - 0.62 AU

Year: 138 Days

Day: 42.1 Hours

Environment

Temp: 258 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.51 AU - 0.73 AU

Year: 179 Days

Day: 12.7 Hours

Environment

Temp: 166 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.47 AU - 2.87 AU

Year: 1602 Days

Day: 36.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.59 AU - 3.73 AU

Year: 2570 Days

Day: 31.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,177,037 km

• M1: 891,903 km (0.103 R)
• M2: 967,898 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.09 AU - 4.31 AU

Year: 3160 Days

Day: 44.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 11.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.16 AU - 6.72 AU

Year: 4658 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,177,037 km

• M1: 145,260 km (0.042 R)
• M2: 840,740 km (0.073 R)
• M3: 1,466,358 km (0.074 R)
• M4: 1,948,811 km (0.119 R)
• M5: 2,324,153 km (0.083 R)
• M6: 2,957,700 km (0.099 R)
• M7: 3,441,948 km (0.046 R)
• M8: 3,961,052 km (0.109 R)
• M9: 4,648,604 km (0.108 R)
• M10: 6,857,566 km (0.108 R)
• M11: 7,355,727 km (0.083 R)
• M12: 8,019,343 km (0.117 R)
• M13: 9,182,616 km (0.096 R)
• M14: 10,387,179 km (0.101 R)
• M15: 11,258,736 km (0.087 R)
• M16: 12,368,303 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.6

Radius: 4

Gravity: 46.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 12.1 AU - 14.94 AU

Year: 18249 Days

Day: 17.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,177,037 km

• M1: 50,564 km (0.113 R)
• M2: 219,310 km (0.06 R)
• M3: 351,854 km (0.092 R)
• M4: 494,271 km (0.071 R)
• M5: 1,082,041 km (0.1 R)
• M6: 4,526,084 km (0.054 R)
• M7: 6,680,592 km (0.09 R)
• M8: 6,996,393 km (0.118 R)
• M9: 8,053,452 km (0.089 R)
• M10: 12,931,390 km (0.079 R)
• M11: 21,736,870 km (0.109 R)
• M12: 22,329,277 km (0.111 R)
• M13: 23,237,785 km (0.114 R)
• M14: 23,753,150 km (0.12 R)
• M15: 23,961,390 km (0.069 R)
• M16: 27,005,856 km (0.058 R)
• M17: 27,920,797 km (0.118 R)
• M18: 39,678,442 km (0.066 R)
• M19: 41,009,115 km (0.074 R)
• M20: 42,675,635 km (0.099 R)
• M21: 44,072,281 km (0.074 R)
• M22: 49,793,352 km (0.103 R)
• M23: 59,176,729 km (0.102 R)
• M24: 64,888,525 km (0.07 R)
• M25: 67,355,693 km (0.076 R)
• M26: 68,191,796 km (0.109 R)
• M27: 71,822,387 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.4

Radius: 4.8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 18.48 AU - 19.32 AU

Year: 30162 Days

Day: 23.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,177,037 km

• M1: 61,634 km (0.11 R)
• M2: 260,151 km (0.093 R)
• M3: 409,749 km (0.113 R)
• M4: 847,921 km (0.04 R)
• M5: 1,010,833 km (0.066 R)
• M6: 1,288,337 km (0.11 R)
• M7: 2,266,707 km (0.095 R)
• M8: 3,746,379 km (0.081 R)
• M9: 5,888,322 km (0.091 R)
• M10: 6,696,749 km (0.115 R)
• M11: 9,724,909 km (0.107 R)
• M12: 12,825,923 km (0.104 R)
• M13: 13,967,504 km (0.085 R)
• M14: 14,813,032 km (0.075 R)
• M15: 16,220,748 km (0.107 R)
• M16: 16,450,829 km (0.055 R)
• M17: 16,605,513 km (0.107 R)
• M18: 28,987,280 km (0.108 R)
• M19: 29,213,023 km (0.112 R)
• M20: 30,012,175 km (0.06 R)
• M21: 34,227,843 km (0.034 R)
• M22: 41,479,450 km (0.087 R)
• M23: 58,201,351 km (0.107 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: 539 - 12,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit