🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.6 AU - 0.66 AU

Year: 191 Days

Day: 19.5 Hours

Environment

Temp: 103 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.67 AU - 1.07 AU

Year: 311 Days

Day: 25.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 83,313,710 km

• M1: 48,919 km (0.06 R)
• M2: 531,222 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.31 AU - 3.39 AU

Year: 2348 Days

Day: 12.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.4

Radius: 8.8

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.8 AU - 5.36 AU

Year: 3753 Days

Day: 7 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,313,710 km

• M1: 110,553 km (0.093 R)
• M2: 510,428 km (0.066 R)
• M3: 825,481 km (0.071 R)
• M4: 1,119,740 km (0.044 R)
• M5: 2,082,702 km (0.077 R)
• M6: 2,493,348 km (0.082 R)
• M7: 3,357,425 km (0.069 R)
• M8: 3,728,727 km (0.027 R)
• M9: 5,580,150 km (0.06 R)
• M10: 5,954,294 km (0.1 R)
• M11: 7,045,611 km (0.098 R)
• M12: 7,346,751 km (0.068 R)
• M13: 9,907,418 km (0.116 R)
• M14: 11,803,272 km (0.113 R)
• M15: 12,469,431 km (0.071 R)
• M16: 18,987,710 km (0.052 R)
• M17: 24,764,880 km (0.116 R)
• M18: 25,228,634 km (0.114 R)
• M19: 27,305,351 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.4

Radius: 3.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 11.46 AU - 12.94 AU

Year: 16316 Days

Day: 20.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,313,710 km

• M1: 52,658 km (0.092 R)
• M2: 355,445 km (0.106 R)
• M3: 570,566 km (0.043 R)
• M4: 700,567 km (0.042 R)
• M5: 1,677,291 km (0.116 R)
• M6: 3,969,131 km (0.081 R)
• M7: 4,344,621 km (0.041 R)
• M8: 5,430,852 km (0.064 R)
• M9: 8,123,314 km (0.073 R)
• M10: 9,103,030 km (0.051 R)
• M11: 11,490,912 km (0.104 R)
• M12: 13,980,968 km (0.073 R)
• M13: 14,437,840 km (0.045 R)
• M14: 15,082,158 km (0.089 R)
• M15: 17,000,751 km (0.084 R)
• M16: 31,141,041 km (0.115 R)
• M17: 32,214,256 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 7.9

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 13.07 AU - 14.45 AU

Year: 19543 Days

Day: 21.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,313,710 km

• M1: 108,907 km (0.058 R)
• M2: 1,848,581 km (0.102 R)
• M3: 3,645,700 km (0.111 R)
• M4: 7,129,236 km (0.097 R)
• M5: 11,336,078 km (0.083 R)
• M6: 11,779,636 km (0.098 R)
• M7: 12,366,807 km (0.101 R)
• M8: 14,837,416 km (0.091 R)
• M9: 17,703,412 km (0.091 R)
• M10: 19,625,445 km (0.034 R)
• M11: 39,812,332 km (0.081 R)
• M12: 41,430,083 km (0.079 R)
• M13: 44,171,165 km (0.096 R)
• M14: 49,506,274 km (0.066 R)
• M15: 51,204,060 km (0.096 R)
• M16: 51,720,771 km (0.093 R)
• M17: 53,822,771 km (0.067 R)
• M18: 59,325,878 km (0.104 R)
• M19: 61,240,282 km (0.058 R)
• M20: 62,017,592 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.3

Radius: 7.1

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 11.12 AU - 17.32 AU

Year: 20531 Days

Day: 17.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,313,710 km

• M1: 88,263 km (0.057 R)
• M2: 429,196 km (0.071 R)
• M3: 1,388,717 km (0.078 R)
• M4: 1,800,261 km (0.105 R)
• M5: 2,426,477 km (0.036 R)
• M6: 2,945,283 km (0.081 R)
• M7: 5,178,629 km (0.077 R)
• M8: 6,079,807 km (0.031 R)
• M9: 6,342,800 km (0.051 R)
• M10: 6,751,502 km (0.091 R)
• M11: 6,986,221 km (0.057 R)
• M12: 7,979,700 km (0.063 R)
• M13: 10,679,792 km (0.109 R)
• M14: 11,456,055 km (0.096 R)
• M15: 13,859,495 km (0.075 R)
• M16: 15,178,798 km (0.109 R)
• M17: 16,750,174 km (0.07 R)
• M18: 18,245,405 km (0.109 R)
• M19: 18,518,122 km (0.119 R)
• M20: 21,297,501 km (0.065 R)
• M21: 26,256,969 km (0.094 R)
• M22: 27,667,079 km (0.061 R)
• M23: 34,779,411 km (0.112 R)
• M24: 36,478,244 km (0.119 R)
• M25: 36,911,479 km (0.08 R)
• M26: 37,788,123 km (0.036 R)
• M27: 40,655,914 km (0.106 R)
• M28: 48,366,787 km (0.11 R)
• M29: 59,354,900 km (0.112 R)
• M30: 60,154,949 km (0.085 R)
• M31: 63,426,804 km (0.112 R)
• M32: 71,895,241 km (0.117 R)
• M33: 74,413,272 km (0.047 R)
• M34: 76,516,768 km (0.114 R)
• M35: 76,752,833 km (0.061 R)
• M36: 77,226,610 km (0.097 R)
• M37: 80,109,959 km (0.058 R)
• M38: 82,566,954 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit