🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.54 AU - 0.76 AU

Year: 191 Days

Day: 30 Hours

Environment

Temp: 158 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.08 AU - 1.24 AU

Year: 456 Days

Day: 37.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.23 AU - 1.27 AU

Year: 510 Days

Day: 43.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 101,401,548 km

• M1: 36,352 km (0.11 R)
• M2: 240,254 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.31 AU - 1.35 AU

Year: 560 Days

Day: 22.2 Hours

Environment

Temp: -6 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Gas Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.7

Radius: 10.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.14 AU - 12.14 AU

Year: 11794 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 101,401,548 km

• M1: 127,757 km (0.062 R)
• M2: 451,187 km (0.105 R)
• M3: 2,208,364 km (0.073 R)
• M4: 3,406,792 km (0.107 R)
• M5: 3,904,056 km (0.103 R)
• M6: 4,225,242 km (0.106 R)
• M7: 4,610,606 km (0.099 R)
• M8: 5,718,528 km (0.113 R)
• M9: 6,306,298 km (0.098 R)
• M10: 7,407,039 km (0.06 R)
• M11: 8,383,165 km (0.115 R)
• M12: 11,915,770 km (0.056 R)
• M13: 13,688,355 km (0.036 R)
• M14: 15,417,557 km (0.099 R)
• M15: 17,003,892 km (0.032 R)
• M16: 20,116,126 km (0.119 R)
• M17: 20,755,358 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.5

Radius: 7.6

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 13.05 AU - 20.59 AU

Year: 25196 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 101,401,548 km

• M1: 94,695 km (0.115 R)
• M2: 565,929 km (0.074 R)
• M3: 904,469 km (0.092 R)
• M4: 1,343,538 km (0.1 R)
• M5: 1,648,868 km (0.09 R)
• M6: 1,938,340 km (0.073 R)
• M7: 2,473,002 km (0.1 R)
• M8: 4,381,123 km (0.072 R)
• M9: 5,098,295 km (0.047 R)
• M10: 7,720,447 km (0.092 R)
• M11: 8,040,287 km (0.103 R)
• M12: 8,763,892 km (0.09 R)
• M13: 11,128,137 km (0.083 R)
• M14: 12,239,948 km (0.045 R)
• M15: 13,046,131 km (0.059 R)
• M16: 14,122,787 km (0.034 R)
• M17: 17,984,357 km (0.095 R)
• M18: 20,508,821 km (0.11 R)
• M19: 23,260,225 km (0.104 R)
• M20: 26,248,293 km (0.081 R)
• M21: 30,265,444 km (0.072 R)
• M22: 31,871,826 km (0.108 R)
• M23: 34,530,330 km (0.096 R)
• M24: 35,987,114 km (0.108 R)
• M25: 37,789,021 km (0.088 R)
• M26: 39,492,791 km (0.038 R)
• M27: 39,807,844 km (0.117 R)
• M28: 41,734,365 km (0.084 R)
• M29: 44,398,554 km (0.107 R)
• M30: 49,147,837 km (0.108 R)
• M31: 52,116,308 km (0.1 R)
• M32: 54,614,443 km (0.116 R)
• M33: 59,022,045 km (0.11 R)
• M34: 65,847,747 km (0.11 R)
• M35: 75,822,783 km (0.113 R)
• M36: 77,536,277 km (0.112 R)
• M37: 88,632,849 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.1

Radius: 4.8

Gravity: 41.97 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 14.61 AU - 19.65 AU

Year: 25896 Days

Day: 15.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 101,401,548 km

• M1: 60,288 km (0.106 R)
• M2: 325,974 km (0.098 R)
• M3: 743,950 km (0.044 R)
• M4: 1,391,709 km (0.103 R)
• M5: 1,549,984 km (0.106 R)
• M6: 1,967,062 km (0.072 R)
• M7: 2,661,346 km (0.11 R)
• M8: 3,020,680 km (0.083 R)
• M9: 3,835,689 km (0.087 R)
• M10: 4,907,109 km (0.101 R)
• M11: 6,071,130 km (0.086 R)
• M12: 6,594,274 km (0.063 R)
• M13: 7,894,280 km (0.065 R)
• M14: 9,294,516 km (0.06 R)
• M15: 11,267,263 km (0.072 R)
• M16: 11,982,490 km (0.059 R)
• M17: 13,423,866 km (0.044 R)
• M18: 13,581,991 km (0.081 R)
• M19: 14,640,545 km (0.107 R)
• M20: 15,578,225 km (0.091 R)
• M21: 16,374,684 km (0.099 R)
• M22: 18,532,783 km (0.116 R)
• M23: 20,141,109 km (0.071 R)
• M24: 22,612,765 km (0.085 R)
• M25: 25,039,692 km (0.058 R)
• M26: 25,279,497 km (0.066 R)
• M27: 26,130,858 km (0.098 R)
• M28: 29,460,757 km (0.113 R)
• M29: 30,676,240 km (0.097 R)
• M30: 32,065,556 km (0.1 R)
• M31: 42,984,555 km (0.077 R)
• M32: 43,500,966 km (0.103 R)
• M33: 44,898,510 km (0.099 R)
• M34: 51,365,177 km (0.119 R)
• M35: 59,911,105 km (0.082 R)
• M36: 74,184,387 km (0.039 R)
• M37: 90,282,016 km (0.033 R)
• M38: 91,696,164 km (0.089 R)
• M39: 95,441,796 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 19,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit