🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.55 AU - 0.65 AU

Year: 300 Days

Day: 39.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 8.6

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.56 AU - 0.84 AU

Year: 378 Days

Day: 14.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,695,874 km

• M1: 106,962 km (0.105 R)
• M2: 413,339 km (0.079 R)
• M3: 820,544 km (0.065 R)
• M4: 1,114,205 km (0.115 R)
• M5: 1,599,800 km (0.072 R)
• M6: 1,907,672 km (0.111 R)
• M7: 2,635,316 km (0.102 R)
• M8: 3,291,004 km (0.116 R)
• M9: 3,781,685 km (0.089 R)
• M10: 4,117,532 km (0.037 R)
• M11: 4,543,886 km (0.054 R)
• M12: 5,045,188 km (0.087 R)
• M13: 5,325,235 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 8.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.62 AU - 0.84 AU

Year: 403 Days

Day: 12.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,695,874 km

• M1: 110,702 km (0.115 R)
• M2: 445,054 km (0.069 R)
• M3: 746,793 km (0.096 R)
• M4: 1,412,054 km (0.088 R)
• M5: 1,861,446 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.9

Radius: 8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.6 AU - 0.88 AU

Year: 411 Days

Day: 7.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,695,874 km

• M1: 99,782 km (0.075 R)
• M2: 662,419 km (0.118 R)
• M3: 941,419 km (0.098 R)
• M4: 1,253,929 km (0.113 R)
• M5: 1,539,063 km (0.114 R)
• M6: 2,473,451 km (0.054 R)
• M7: 2,799,874 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 13.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.85 AU - 1.25 AU

Year: 695 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,695,874 km

• M1: 166,652 km (0.117 R)
• M2: 583,731 km (0.119 R)
• M3: 1,191,547 km (0.109 R)
• M4: 1,650,214 km (0.115 R)
• M5: 2,113,668 km (0.032 R)
• M6: 2,991,359 km (0.112 R)
• M7: 3,667,242 km (0.044 R)
• M8: 4,322,032 km (0.113 R)
• M9: 5,083,485 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 13.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.32 AU - 1.92 AU

Year: 1331 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,695,874 km

• M1: 170,392 km (0.103 R)
• M2: 734,825 km (0.068 R)
• M3: 1,368,970 km (0.108 R)
• M4: 1,867,131 km (0.108 R)
• M5: 3,199,150 km (0.032 R)
• M6: 4,180,812 km (0.109 R)
• M7: 7,460,895 km (0.081 R)
• M8: 8,016,800 km (0.077 R)
• M9: 8,628,656 km (0.068 R)
• M10: 11,053,188 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.5

Radius: 4.1

Gravity: 43.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.78 AU - 6.38 AU

Year: 9680 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 24,695,874 km

• M1: 52,808 km (0.098 R)
• M2: 191,186 km (0.045 R)
• M3: 642,074 km (0.074 R)
• M4: 1,137,991 km (0.035 R)
• M5: 1,294,770 km (0.051 R)
• M6: 3,332,143 km (0.066 R)
• M7: 3,478,599 km (0.071 R)
• M8: 3,629,544 km (0.063 R)
• M9: 4,598,190 km (0.11 R)
• M10: 5,832,372 km (0.109 R)
• M11: 6,375,263 km (0.089 R)
• M12: 6,716,645 km (0.099 R)
• M13: 6,911,571 km (0.1 R)
• M14: 8,293,856 km (0.098 R)
• M15: 9,263,549 km (0.104 R)
• M16: 9,950,502 km (0.089 R)
• M17: 10,409,768 km (0.073 R)
• M18: 15,668,731 km (0.036 R)
• M19: 16,080,874 km (0.075 R)
• M20: 16,219,850 km (0.098 R)
• M21: 18,326,338 km (0.076 R)
• M22: 21,437,225 km (0.1 R)
• M23: 21,605,523 km (0.041 R)
• M24: 21,859,839 km (0.102 R)
• M25: 23,875,671 km (0.093 R)
• M26: 28,475,356 km (0.106 R)
• M27: 34,547,683 km (0.11 R)
• M28: 37,638,675 km (0.111 R)
• M29: 45,603,565 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.4

Radius: 6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.95 AU - 12.83 AU

Year: 23204 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,695,874 km

• M1: 83,027 km (0.051 R)
• M2: 713,133 km (0.077 R)
• M3: 3,060,922 km (0.097 R)
• M4: 3,994,862 km (0.112 R)
• M5: 11,097,469 km (0.073 R)
• M6: 11,491,061 km (0.032 R)
• M7: 13,749,540 km (0.096 R)
• M8: 15,680,550 km (0.061 R)
• M9: 16,231,967 km (0.092 R)
• M10: 18,445,567 km (0.08 R)
• M11: 20,655,427 km (0.063 R)
• M12: 21,117,684 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 20,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit