🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.5 AU - 0.6 AU

Year: 263 Days

Day: 28.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.55 AU - 0.67 AU

Year: 308 Days

Day: 22.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 9.9

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.9 AU - 1.14 AU

Year: 665 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,965,603 km

• M1: 129,103 km (0.087 R)
• M2: 510,578 km (0.086 R)
• M3: 920,625 km (0.038 R)
• M4: 1,252,882 km (0.052 R)
• M5: 1,626,877 km (0.12 R)
• M6: 3,134,674 km (0.04 R)
• M7: 4,283,585 km (0.05 R)
• M8: 5,269,585 km (0.044 R)
• M9: 5,825,939 km (0.105 R)
• M10: 6,278,473 km (0.083 R)
• M11: 6,607,140 km (0.115 R)
• M12: 7,298,880 km (0.076 R)
• M13: 7,778,640 km (0.115 R)
• M14: 8,110,149 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588

Radius: 12

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.61 AU - 3.35 AU

Year: 3322 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,965,603 km

• M1: 149,299 km (0.109 R)
• M2: 605,423 km (0.111 R)
• M3: 1,486,554 km (0.055 R)
• M4: 3,271,257 km (0.076 R)
• M5: 3,899,119 km (0.097 R)
• M6: 4,978,318 km (0.1 R)
• M7: 6,530,545 km (0.054 R)
• M8: 8,214,718 km (0.113 R)
• M9: 8,800,544 km (0.086 R)
• M10: 10,526,155 km (0.041 R)
• M11: 11,723,836 km (0.045 R)
• M12: 13,102,530 km (0.113 R)
• M13: 17,886,221 km (0.1 R)
• M14: 21,653,843 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 8.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.07 AU - 3.53 AU

Year: 3871 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,965,603 km

• M1: 100,679 km (0.062 R)
• M2: 1,381,536 km (0.032 R)
• M3: 1,718,580 km (0.069 R)
• M4: 2,048,743 km (0.108 R)
• M5: 2,545,707 km (0.091 R)
• M6: 3,235,503 km (0.11 R)
• M7: 4,301,388 km (0.117 R)
• M8: 4,826,626 km (0.08 R)
• M9: 6,743,722 km (0.076 R)
• M10: 7,249,363 km (0.077 R)
• M11: 8,431,785 km (0.09 R)
• M12: 9,356,748 km (0.115 R)
• M13: 9,633,056 km (0.087 R)
• M14: 10,755,489 km (0.038 R)
• M15: 13,258,111 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.5

Radius: 9.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.15 AU - 6.45 AU

Year: 9019 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,965,603 km

• M1: 126,261 km (0.087 R)
• M2: 462,856 km (0.088 R)
• M3: 925,562 km (0.117 R)
• M4: 1,452,147 km (0.039 R)
• M5: 2,009,548 km (0.087 R)
• M6: 2,391,322 km (0.06 R)
• M7: 2,941,992 km (0.114 R)
• M8: 3,437,161 km (0.109 R)
• M9: 3,987,082 km (0.069 R)
• M10: 4,622,574 km (0.115 R)
• M11: 5,263,003 km (0.095 R)
• M12: 5,961,475 km (0.105 R)
• M13: 6,542,663 km (0.083 R)
• M14: 6,975,300 km (0.11 R)
• M15: 8,347,262 km (0.056 R)
• M16: 9,119,187 km (0.072 R)
• M17: 9,891,112 km (0.112 R)
• M18: 11,617,023 km (0.079 R)
• M19: 16,695,122 km (0.108 R)
• M20: 18,552,530 km (0.061 R)
• M21: 18,983,371 km (0.097 R)
• M22: 19,642,051 km (0.085 R)
• M23: 21,082,678 km (0.118 R)
• M24: 21,473,278 km (0.063 R)
• M25: 22,188,356 km (0.086 R)
• M26: 23,001,570 km (0.106 R)
• M27: 24,258,342 km (0.108 R)
• M28: 26,635,003 km (0.096 R)
• M29: 28,303,020 km (0.067 R)
• M30: 32,776,295 km (0.107 R)
• M31: 35,454,396 km (0.09 R)
• M32: 37,016,198 km (0.111 R)
• M33: 37,356,683 km (0.099 R)
• M34: 37,814,003 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.2

Radius: 7.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.7 AU - 8.5 AU

Year: 12215 Days

Day: 24.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,965,603 km

• M1: 90,656 km (0.107 R)
• M2: 542,143 km (0.092 R)
• M3: 1,050,177 km (0.09 R)
• M4: 1,320,201 km (0.092 R)
• M5: 1,943,426 km (0.05 R)
• M6: 2,600,310 km (0.088 R)
• M7: 3,310,152 km (0.086 R)
• M8: 3,618,772 km (0.114 R)
• M9: 4,501,550 km (0.057 R)
• M10: 4,770,526 km (0.116 R)
• M11: 5,194,038 km (0.095 R)
• M12: 5,828,931 km (0.055 R)
• M13: 7,473,162 km (0.083 R)
• M14: 11,055,731 km (0.119 R)
• M15: 11,797,587 km (0.05 R)
• M16: 13,601,289 km (0.092 R)
• M17: 14,920,892 km (0.113 R)
• M18: 16,576,491 km (0.069 R)
• M19: 17,089,612 km (0.078 R)
• M20: 18,147,718 km (0.119 R)
• M21: 21,132,046 km (0.115 R)
• M22: 24,925,548 km (0.067 R)
• M23: 27,692,361 km (0.099 R)
• M24: 28,051,994 km (0.085 R)
• M25: 29,056,993 km (0.117 R)
• M26: 32,018,582 km (0.107 R)
• M27: 33,419,566 km (0.116 R)
• M28: 34,445,059 km (0.072 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: 169 - 16,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit