🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.53 AU - 0.69 AU

Year: 174 Days

Day: 22.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,628,915 km

• M1: 521,049 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.13 AU - 1.25 AU

Year: 474 Days

Day: 22.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.5

Radius: 10.3

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.97 AU - 8.53 AU

Year: 7130 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,628,915 km

• M1: 128,654 km (0.083 R)
• M2: 801,845 km (0.083 R)
• M3: 1,608,177 km (0.12 R)
• M4: 2,475,396 km (0.107 R)
• M5: 2,992,406 km (0.084 R)
• M6: 3,580,176 km (0.09 R)
• M7: 4,719,962 km (0.077 R)
• M8: 6,693,757 km (0.103 R)
• M9: 7,419,755 km (0.102 R)
• M10: 7,946,190 km (0.118 R)
• M11: 9,164,814 km (0.049 R)
• M12: 12,133,883 km (0.061 R)
• M13: 14,231,096 km (0.117 R)
• M14: 16,695,571 km (0.086 R)
• M15: 20,198,555 km (0.084 R)
• M16: 23,901,551 km (0.106 R)
• M17: 25,140,221 km (0.064 R)
• M18: 27,362,199 km (0.055 R)
• M19: 29,013,310 km (0.112 R)
• M20: 31,560,663 km (0.075 R)
• M21: 40,585,603 km (0.066 R)
• M22: 41,459,703 km (0.064 R)
• M23: 41,964,746 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 10.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.14 AU - 12.12 AU

Year: 13562 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,628,915 km

• M1: 131,796 km (0.1 R)
• M2: 978,220 km (0.063 R)
• M3: 2,054,428 km (0.041 R)
• M4: 2,450,413 km (0.094 R)
• M5: 3,034,892 km (0.045 R)
• M6: 4,826,775 km (0.108 R)
• M7: 5,463,165 km (0.06 R)
• M8: 5,967,160 km (0.115 R)
• M9: 6,903,194 km (0.11 R)
• M10: 8,024,879 km (0.097 R)
• M11: 10,408,721 km (0.117 R)
• M12: 12,118,176 km (0.115 R)
• M13: 12,542,734 km (0.094 R)
• M14: 14,407,771 km (0.082 R)
• M15: 17,657,635 km (0.05 R)
• M16: 19,084,350 km (0.111 R)
• M17: 22,256,124 km (0.087 R)
• M18: 23,077,716 km (0.094 R)
• M19: 33,258,000 km (0.082 R)
• M20: 39,649,420 km (0.092 R)
• M21: 40,048,996 km (0.072 R)
• M22: 45,929,538 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808

Radius: 3.7

Gravity: 59.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 12.34 AU - 13.36 AU

Year: 16825 Days

Day: 17.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 38,628,915 km

• M1: 46,076 km (0.063 R)
• M2: 282,890 km (0.025 R)
• M3: 537,056 km (0.094 R)
• M4: 818,749 km (0.107 R)
• M5: 1,439,580 km (0.077 R)
• M6: 2,077,466 km (0.085 R)
• M7: 2,283,761 km (0.1 R)
• M8: 2,761,876 km (0.085 R)
• M9: 3,276,343 km (0.105 R)
• M10: 5,818,160 km (0.037 R)
• M11: 7,865,407 km (0.04 R)
• M12: 9,376,795 km (0.092 R)
• M13: 11,319,921 km (0.102 R)
• M14: 12,959,364 km (0.06 R)
• M15: 13,943,270 km (0.097 R)
• M16: 14,160,336 km (0.043 R)
• M17: 15,280,076 km (0.095 R)
• M18: 15,510,906 km (0.098 R)
• M19: 18,033,874 km (0.083 R)
• M20: 19,079,712 km (0.092 R)
• M21: 19,708,173 km (0.082 R)
• M22: 22,857,507 km (0.078 R)
• M23: 24,081,068 km (0.097 R)
• M24: 25,026,976 km (0.091 R)
• M25: 25,455,274 km (0.081 R)
• M26: 26,326,383 km (0.109 R)
• M27: 27,669,921 km (0.056 R)
• M28: 28,243,031 km (0.117 R)
• M29: 28,941,204 km (0.102 R)
• M30: 36,978,948 km (0.085 R)
• M31: 37,814,153 km (0.067 R)
• M32: 40,248,559 km (0.107 R)
• M33: 44,638,808 km (0.078 R)
• M34: 53,467,177 km (0.103 R)
• M35: 55,797,313 km (0.119 R)
• M36: 62,405,350 km (0.085 R)
• M37: 63,786,737 km (0.075 R)
• M38: 64,785,751 km (0.049 R)
• M39: 67,020,295 km (0.072 R)
• M40: 67,845,477 km (0.089 R)
• M41: 68,260,461 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.4

Radius: 3

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 14.42 AU - 18.12 AU

Year: 23970 Days

Day: 24 Hours

Environment

Temp: -194 °C

Axial Tilt: 160.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,628,915 km

• M1: 57,745 km (0.088 R)
• M2: 277,654 km (0.108 R)
• M3: 431,590 km (0.066 R)
• M4: 577,448 km (0.043 R)
• M5: 788,530 km (0.11 R)
• M6: 978,520 km (0.079 R)
• M7: 1,362,089 km (0.088 R)
• M8: 2,397,755 km (0.113 R)
• M9: 10,296,821 km (0.079 R)
• M10: 10,832,382 km (0.117 R)
• M11: 12,064,919 km (0.061 R)
• M12: 12,936,775 km (0.104 R)
• M13: 19,574,732 km (0.09 R)
• M14: 21,005,635 km (0.091 R)
• M15: 21,549,872 km (0.078 R)
• M16: 34,287,533 km (0.065 R)
• M17: 36,693,964 km (0.063 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 16,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit