🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 10.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.5 AU - 0.72 AU

Year: 318 Days

Day: 9 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,868,916 km

• M1: 133,142 km (0.101 R)
• M2: 505,940 km (0.074 R)
• M3: 1,116,599 km (0.112 R)
• M4: 1,556,566 km (0.117 R)
• M5: 1,955,992 km (0.119 R)
• M6: 2,529,550 km (0.115 R)
• M7: 3,310,900 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 14.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,868,916 km

• M1: 181,612 km (0.054 R)
• M2: 919,129 km (0.07 R)
• M3: 1,502,262 km (0.115 R)
• M4: 2,114,117 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.2

Radius: 9.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 7.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,868,916 km

• M1: 115,639 km (0.084 R)
• M2: 523,593 km (0.052 R)
• M3: 969,245 km (0.077 R)
• M4: 1,401,732 km (0.119 R)
• M5: 1,749,397 km (0.118 R)
• M6: 2,449,067 km (0.045 R)
• M7: 2,754,695 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 10.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.8 AU - 1.24 AU

Year: 687 Days

Day: 8 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,868,916 km

• M1: 133,142 km (0.043 R)
• M2: 619,934 km (0.11 R)
• M3: 1,181,075 km (0.083 R)
• M4: 1,987,707 km (0.06 R)
• M5: 2,400,747 km (0.101 R)
• M6: 2,858,965 km (0.119 R)
• M7: 3,967,635 km (0.081 R)
• M8: 4,846,971 km (0.087 R)
• M9: 5,564,592 km (0.073 R)
• M10: 7,905,200 km (0.039 R)
• M11: 8,293,407 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.6

Radius: 10.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.09 AU - 2.27 AU

Year: 2146 Days

Day: 6.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,868,916 km

• M1: 131,945 km (0.109 R)
• M2: 507,436 km (0.098 R)
• M3: 1,063,940 km (0.088 R)
• M4: 1,611,917 km (0.106 R)
• M5: 2,138,352 km (0.107 R)
• M6: 4,487,936 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.6

Radius: 8.1

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.85 AU - 2.73 AU

Year: 2311 Days

Day: 12.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,868,916 km

• M1: 106,663 km (0.071 R)
• M2: 467,344 km (0.116 R)
• M3: 2,078,064 km (0.047 R)
• M4: 3,347,552 km (0.103 R)
• M5: 3,774,354 km (0.083 R)
• M6: 5,183,417 km (0.113 R)
• M7: 8,031,760 km (0.09 R)
• M8: 11,864,458 km (0.104 R)
• M9: 13,592,762 km (0.094 R)
• M10: 14,678,842 km (0.053 R)
• M11: 15,675,762 km (0.058 R)
• M12: 16,565,571 km (0.082 R)
• M13: 17,436,380 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 11.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.76 AU - 2.88 AU

Year: 3158 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,868,916 km

• M1: 165,605 km (0.097 R)
• M2: 532,120 km (0.099 R)
• M3: 1,175,091 km (0.096 R)
• M4: 2,723,280 km (0.107 R)
• M5: 3,082,763 km (0.105 R)
• M6: 3,559,981 km (0.092 R)
• M7: 4,560,042 km (0.11 R)
• M8: 6,620,903 km (0.067 R)
• M9: 7,419,007 km (0.063 R)
• M10: 9,041,695 km (0.091 R)
• M11: 9,677,486 km (0.07 R)
• M12: 11,302,418 km (0.059 R)
• M13: 13,698,976 km (0.081 R)
• M14: 14,358,553 km (0.081 R)
• M15: 15,131,525 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.9

Radius: 8

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.52 AU - 11.62 AU

Year: 19742 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,868,916 km

• M1: 99,483 km (0.091 R)
• M2: 516,262 km (0.103 R)
• M3: 982,260 km (0.087 R)
• M4: 1,335,909 km (0.093 R)
• M5: 1,806,843 km (0.117 R)
• M6: 2,795,386 km (0.112 R)
• M7: 3,676,667 km (0.119 R)
• M8: 4,076,841 km (0.108 R)
• M9: 5,067,179 km (0.089 R)
• M10: 6,170,164 km (0.095 R)
• M11: 6,571,236 km (0.041 R)
• M12: 7,879,469 km (0.102 R)
• M13: 8,160,564 km (0.05 R)
• M14: 8,892,995 km (0.091 R)
• M15: 10,210,055 km (0.082 R)
• M16: 13,825,237 km (0.053 R)
• M17: 15,294,737 km (0.1 R)
• M18: 15,881,011 km (0.028 R)
• M19: 17,020,498 km (0.109 R)
• M20: 17,570,420 km (0.086 R)
• M21: 19,631,878 km (0.046 R)
• M22: 20,412,031 km (0.119 R)
• M23: 20,854,242 km (0.057 R)
• M24: 22,219,173 km (0.11 R)
• M25: 22,781,512 km (0.071 R)
• M26: 25,430,142 km (0.112 R)
• M27: 29,495,913 km (0.093 R)
• M28: 30,403,822 km (0.086 R)
• M29: 38,887,218 km (0.093 R)
• M30: 40,670,874 km (0.117 R)
• M31: 41,937,070 km (0.041 R)
• M32: 43,374,706 km (0.087 R)
• M33: 43,666,122 km (0.077 R)
• M34: 52,862,652 km (0.096 R)
• M35: 54,708,839 km (0.056 R)
• M36: 59,961,968 km (0.033 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 14,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit