🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.7 AU - 0.88 AU

Year: 256 Days

Day: 21.9 Hours

Environment

Temp: 170 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 70,663,072 km

• M1: 119,977 km (0.085 R)
• M2: 227,538 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.06 AU - 2.42 AU

Year: 1225 Days

Day: 36.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.18 AU - 2.78 AU

Year: 1426 Days

Day: 46.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.79 AU - 4.07 AU

Year: 2846 Days

Day: 38.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.93 AU - 4.25 AU

Year: 3021 Days

Day: 31 Hours

Environment

Temp: -127 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,663,072 km

• M1: 24,684 km (0.077 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 8.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.67 AU - 5.81 AU

Year: 4381 Days

Day: 7.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,663,072 km

• M1: 103,821 km (0.051 R)
• M2: 509,979 km (0.119 R)
• M3: 930,349 km (0.114 R)
• M4: 2,138,950 km (0.099 R)
• M5: 3,072,441 km (0.094 R)
• M6: 4,063,527 km (0.117 R)
• M7: 4,452,033 km (0.094 R)
• M8: 5,404,821 km (0.112 R)
• M9: 6,487,461 km (0.092 R)
• M10: 7,141,204 km (0.047 R)
• M11: 7,643,703 km (0.03 R)
• M12: 10,359,054 km (0.116 R)
• M13: 12,326,865 km (0.077 R)
• M14: 12,775,658 km (0.037 R)
• M15: 13,328,572 km (0.094 R)
• M16: 13,849,322 km (0.096 R)
• M17: 16,550,611 km (0.112 R)
• M18: 19,283,465 km (0.092 R)
• M19: 20,693,873 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 11.8

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.29 AU - 7.79 AU

Year: 6823 Days

Day: 7.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,663,072 km

• M1: 148,251 km (0.052 R)
• M2: 592,856 km (0.064 R)
• M3: 1,029,832 km (0.103 R)
• M4: 1,605,634 km (0.028 R)
• M5: 2,151,517 km (0.105 R)
• M6: 3,191,371 km (0.074 R)
• M7: 5,055,361 km (0.103 R)
• M8: 6,341,304 km (0.115 R)
• M9: 7,794,199 km (0.095 R)
• M10: 8,922,915 km (0.117 R)
• M11: 10,398,249 km (0.095 R)
• M12: 12,245,483 km (0.068 R)
• M13: 14,063,247 km (0.115 R)
• M14: 15,476,349 km (0.04 R)
• M15: 16,119,470 km (0.105 R)
• M16: 16,513,810 km (0.1 R)
• M17: 17,528,083 km (0.119 R)
• M18: 18,655,154 km (0.029 R)
• M19: 20,975,566 km (0.116 R)
• M20: 31,573,229 km (0.094 R)
• M21: 32,712,716 km (0.081 R)
• M22: 33,665,355 km (0.069 R)
• M23: 38,942,869 km (0.075 R)
• M24: 39,892,815 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.6

Radius: 6.6

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 14.59 AU - 20.31 AU

Year: 26625 Days

Day: 16.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,663,072 km

• M1: 82,129 km (0.103 R)
• M2: 292,763 km (0.066 R)
• M3: 735,722 km (0.073 R)
• M4: 1,565,991 km (0.083 R)
• M5: 2,026,154 km (0.036 R)
• M6: 2,373,221 km (0.066 R)
• M7: 3,108,195 km (0.116 R)
• M8: 3,486,079 km (0.103 R)
• M9: 4,204,747 km (0.12 R)
• M10: 6,818,671 km (0.07 R)
• M11: 7,598,674 km (0.103 R)
• M12: 8,487,884 km (0.12 R)
• M13: 10,649,573 km (0.102 R)
• M14: 11,257,838 km (0.109 R)
• M15: 12,677,522 km (0.106 R)
• M16: 14,725,816 km (0.105 R)
• M17: 17,479,763 km (0.103 R)
• M18: 19,734,951 km (0.086 R)
• M19: 20,189,878 km (0.114 R)
• M20: 23,981,436 km (0.117 R)
• M21: 26,426,314 km (0.057 R)
• M22: 30,217,124 km (0.074 R)
• M23: 32,179,250 km (0.096 R)
• M24: 33,705,447 km (0.034 R)
• M25: 34,749,341 km (0.092 R)
• M26: 37,730,827 km (0.112 R)
• M27: 41,320,877 km (0.066 R)
• M28: 43,274,774 km (0.042 R)
• M29: 46,559,944 km (0.101 R)
• M30: 47,690,754 km (0.108 R)
• M31: 48,345,245 km (0.112 R)
• M32: 54,328,860 km (0.09 R)
• M33: 55,401,926 km (0.083 R)
• M34: 62,527,572 km (0.063 R)
• M35: 64,101,790 km (0.115 R)
• M36: 66,106,401 km (0.028 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: 205 - 13,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit