🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.61 AU - 0.81 AU

Year: 213 Days

Day: 13.3 Hours

Environment

Temp: 178 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.28 AU - 1.52 AU

Year: 590 Days

Day: 25.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.61 AU - 2.15 AU

Year: 919 Days

Day: 37.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.4

Radius: 3.6

Gravity: 42.7 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.54 AU - 16.72 AU

Year: 17937 Days

Day: 20.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,335,447 km

• M1: 103,073 km (0.097 R)
• M2: 233,373 km (0.08 R)
• M3: 379,829 km (0.112 R)
• M4: 503,696 km (0.066 R)
• M5: 637,437 km (0.08 R)
• M6: 1,123,929 km (0.12 R)
• M7: 2,064,301 km (0.083 R)
• M8: 5,654,949 km (0.113 R)
• M9: 6,371,972 km (0.089 R)
• M10: 7,237,545 km (0.104 R)
• M11: 7,984,338 km (0.063 R)
• M12: 8,277,101 km (0.08 R)
• M13: 8,884,169 km (0.106 R)
• M14: 11,061,865 km (0.092 R)
• M15: 17,309,222 km (0.106 R)
• M16: 20,030,556 km (0.117 R)
• M17: 20,661,710 km (0.087 R)
• M18: 24,626,502 km (0.103 R)
• M19: 24,831,900 km (0.088 R)
• M20: 26,516,522 km (0.074 R)
• M21: 27,828,944 km (0.026 R)
• M22: 35,044,797 km (0.106 R)
• M23: 37,160,111 km (0.034 R)
• M24: 40,063,656 km (0.099 R)
• M25: 44,925,737 km (0.084 R)
• M26: 49,184,788 km (0.108 R)
• M27: 51,161,275 km (0.075 R)
• M28: 58,130,591 km (0.112 R)
• M29: 62,601,623 km (0.083 R)
• M30: 64,725,314 km (0.077 R)
• M31: 65,312,635 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.5

Radius: 5.9

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 16.09 AU - 17.97 AU

Year: 25051 Days

Day: 22.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,335,447 km

• M1: 82,728 km (0.03 R)
• M2: 363,822 km (0.092 R)
• M3: 1,344,586 km (0.1 R)
• M4: 1,538,913 km (0.079 R)
• M5: 4,074,896 km (0.067 R)
• M6: 5,115,798 km (0.068 R)
• M7: 7,556,936 km (0.082 R)
• M8: 12,846,268 km (0.108 R)
• M9: 14,338,806 km (0.067 R)
• M10: 14,729,257 km (0.116 R)
• M11: 16,961,257 km (0.118 R)
• M12: 18,202,919 km (0.057 R)
• M13: 25,786,335 km (0.107 R)
• M14: 30,264,696 km (0.079 R)
• M15: 33,431,085 km (0.098 R)
• M16: 47,439,729 km (0.061 R)
• M17: 47,958,235 km (0.079 R)
• M18: 48,306,050 km (0.061 R)
• M19: 57,754,652 km (0.107 R)
• M20: 82,170,670 km (0.077 R)
• M21: 82,419,451 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.5

Radius: 4.3

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 16.25 AU - 21.81 AU

Year: 29591 Days

Day: 20.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,335,447 km

• M1: 53,556 km (0.087 R)
• M2: 234,270 km (0.069 R)
• M3: 423,063 km (0.086 R)
• M4: 591,510 km (0.101 R)
• M5: 783,294 km (0.119 R)
• M6: 1,107,772 km (0.107 R)
• M7: 1,278,463 km (0.038 R)
• M8: 2,504,717 km (0.108 R)
• M9: 2,800,622 km (0.027 R)
• M10: 2,983,580 km (0.036 R)
• M11: 3,551,154 km (0.068 R)
• M12: 4,221,353 km (0.056 R)
• M13: 4,676,280 km (0.11 R)
• M14: 7,651,781 km (0.114 R)
• M15: 8,541,889 km (0.091 R)
• M16: 14,349,278 km (0.032 R)
• M17: 16,024,774 km (0.09 R)
• M18: 16,781,141 km (0.081 R)
• M19: 17,826,381 km (0.111 R)
• M20: 19,286,457 km (0.09 R)
• M21: 24,033,197 km (0.04 R)
• M22: 27,083,797 km (0.073 R)
• M23: 27,556,676 km (0.03 R)
• M24: 33,261,142 km (0.092 R)
• M25: 33,667,150 km (0.101 R)
• M26: 37,326,015 km (0.038 R)
• M27: 44,760,431 km (0.111 R)
• M28: 46,088,262 km (0.105 R)
• M29: 47,101,189 km (0.09 R)
• M30: 60,237,228 km (0.101 R)
• M31: 61,447,625 km (0.109 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 16,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit