🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.68 AU - 0.82 AU

Year: 245 Days

Day: 37.1 Hours

Environment

Temp: 89 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.58 AU - 3.56 AU

Year: 2026 Days

Day: 17.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,566,960 km

• M1: 171,738 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 10.1

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.06 AU - 9.36 AU

Year: 8862 Days

Day: 15 Hours

Environment

Temp: -163 °C

Axial Tilt: 107.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,566,960 km

• M1: 125,662 km (0.111 R)
• M2: 710,141 km (0.077 R)
• M3: 1,034,020 km (0.095 R)
• M4: 1,447,210 km (0.109 R)
• M5: 2,065,647 km (0.069 R)
• M6: 2,427,375 km (0.119 R)
• M7: 2,976,250 km (0.082 R)
• M8: 4,214,322 km (0.041 R)
• M9: 5,668,563 km (0.116 R)
• M10: 9,865,082 km (0.076 R)
• M11: 10,647,778 km (0.073 R)
• M12: 13,538,009 km (0.086 R)
• M13: 15,258,833 km (0.108 R)
• M14: 15,580,768 km (0.09 R)
• M15: 19,503,972 km (0.04 R)
• M16: 21,051,562 km (0.065 R)
• M17: 26,091,963 km (0.114 R)
• M18: 29,732,577 km (0.115 R)
• M19: 34,909,112 km (0.091 R)
• M20: 36,148,530 km (0.111 R)
• M21: 36,721,640 km (0.085 R)
• M22: 37,533,956 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 11.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.78 AU - 12.3 AU

Year: 14768 Days

Day: 8.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,566,960 km

• M1: 141,819 km (0.078 R)
• M2: 526,734 km (0.097 R)
• M3: 891,454 km (0.095 R)
• M4: 1,280,109 km (0.108 R)
• M5: 2,060,112 km (0.116 R)
• M6: 2,585,500 km (0.045 R)
• M7: 3,005,272 km (0.113 R)
• M8: 3,588,404 km (0.104 R)
• M9: 4,192,331 km (0.1 R)
• M10: 6,138,749 km (0.106 R)
• M11: 9,901,135 km (0.063 R)
• M12: 10,684,280 km (0.063 R)
• M13: 11,090,887 km (0.046 R)
• M14: 11,827,656 km (0.055 R)
• M15: 13,224,153 km (0.118 R)
• M16: 14,173,800 km (0.112 R)
• M17: 15,359,812 km (0.084 R)
• M18: 17,365,620 km (0.087 R)
• M19: 17,857,797 km (0.105 R)
• M20: 23,902,449 km (0.119 R)
• M21: 24,687,688 km (0.071 R)
• M22: 25,310,165 km (0.11 R)
• M23: 25,852,008 km (0.095 R)
• M24: 26,959,032 km (0.104 R)
• M25: 33,619,279 km (0.096 R)
• M26: 35,835,572 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.6

Radius: 6.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 15.51 AU - 18.87 AU

Year: 26850 Days

Day: 22.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,566,960 km

• M1: 88,113 km (0.115 R)
• M2: 635,193 km (0.112 R)
• M3: 844,929 km (0.071 R)
• M4: 1,078,301 km (0.071 R)
• M5: 2,898,010 km (0.092 R)
• M6: 3,284,122 km (0.106 R)
• M7: 3,870,247 km (0.05 R)
• M8: 4,461,607 km (0.074 R)
• M9: 5,675,145 km (0.094 R)
• M10: 6,279,670 km (0.118 R)
• M11: 7,179,651 km (0.045 R)
• M12: 11,826,310 km (0.078 R)
• M13: 15,433,863 km (0.112 R)
• M14: 17,138,381 km (0.097 R)
• M15: 17,447,151 km (0.095 R)
• M16: 18,075,761 km (0.032 R)
• M17: 23,186,473 km (0.063 R)
• M18: 23,564,208 km (0.05 R)
• M19: 27,465,421 km (0.117 R)
• M20: 29,292,909 km (0.042 R)
• M21: 31,429,615 km (0.047 R)
• M22: 34,274,368 km (0.09 R)
• M23: 37,544,877 km (0.053 R)
• M24: 40,062,459 km (0.07 R)
• M25: 40,880,161 km (0.119 R)
• M26: 47,827,636 km (0.114 R)
• M27: 52,384,686 km (0.099 R)
• M28: 56,028,741 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 18,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit