🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 11.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 11.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,602,979 km

• M1: 139,276 km (0.047 R)
• M2: 496,216 km (0.047 R)
• M3: 1,024,446 km (0.093 R)
• M4: 1,396,047 km (0.09 R)
• M5: 2,095,118 km (0.094 R)
• M6: 3,241,636 km (0.072 R)
• M7: 3,708,980 km (0.106 R)
• M8: 4,124,413 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 10.5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.72 AU - 0.84 AU

Year: 445 Days

Day: 10.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,602,979 km

• M1: 131,646 km (0.069 R)
• M2: 512,223 km (0.034 R)
• M3: 1,140,983 km (0.074 R)
• M4: 1,519,316 km (0.118 R)
• M5: 2,211,655 km (0.096 R)
• M6: 2,653,118 km (0.115 R)
• M7: 3,002,728 km (0.106 R)
• M8: 3,404,548 km (0.1 R)
• M9: 3,996,507 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.6

Radius: 12.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.75 AU - 0.89 AU

Year: 479 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,602,979 km

• M1: 153,039 km (0.107 R)
• M2: 636,838 km (0.045 R)
• M3: 1,208,900 km (0.088 R)
• M4: 1,687,614 km (0.034 R)
• M5: 2,128,628 km (0.108 R)
• M6: 2,655,961 km (0.028 R)
• M7: 3,249,116 km (0.097 R)
• M8: 3,688,784 km (0.111 R)
• M9: 4,204,897 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 10.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.19 AU - 1.73 AU

Year: 1139 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,602,979 km

• M1: 133,890 km (0.108 R)
• M2: 550,969 km (0.053 R)
• M3: 1,628,672 km (0.107 R)
• M4: 2,048,892 km (0.095 R)
• M5: 2,450,114 km (0.103 R)
• M6: 2,841,013 km (0.12 R)
• M7: 4,646,659 km (0.093 R)
• M8: 6,414,457 km (0.098 R)
• M9: 6,907,233 km (0.116 R)
• M10: 8,328,562 km (0.116 R)
• M11: 9,108,266 km (0.059 R)
• M12: 9,789,834 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.2

Radius: 12

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.42 AU - 1.56 AU

Year: 1174 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 152.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,602,979 km

• M1: 149,299 km (0.109 R)
• M2: 522,994 km (0.111 R)
• M3: 995,873 km (0.078 R)
• M4: 1,729,202 km (0.047 R)
• M5: 2,583,705 km (0.113 R)
• M6: 3,510,613 km (0.113 R)
• M7: 4,038,544 km (0.101 R)
• M8: 4,966,799 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.3

Radius: 5.9

Gravity: 23.42 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.03 AU - 7.95 AU

Year: 13235 Days

Day: 24.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,602,979 km

• M1: 73,453 km (0.059 R)
• M2: 296,802 km (0.104 R)
• M3: 1,029,084 km (0.071 R)
• M4: 1,430,455 km (0.108 R)
• M5: 2,414,210 km (0.03 R)
• M6: 3,221,889 km (0.074 R)
• M7: 3,900,316 km (0.114 R)
• M8: 4,637,235 km (0.086 R)
• M9: 4,835,153 km (0.079 R)
• M10: 5,834,616 km (0.111 R)
• M11: 7,950,229 km (0.117 R)
• M12: 9,811,526 km (0.039 R)
• M13: 10,529,297 km (0.115 R)
• M14: 12,956,821 km (0.118 R)
• M15: 13,955,985 km (0.037 R)
• M16: 14,509,348 km (0.077 R)
• M17: 16,333,096 km (0.057 R)
• M18: 16,947,644 km (0.069 R)
• M19: 18,141,135 km (0.076 R)
• M20: 19,389,530 km (0.11 R)
• M21: 19,645,940 km (0.115 R)
• M22: 19,904,595 km (0.077 R)
• M23: 20,428,786 km (0.097 R)
• M24: 21,504,694 km (0.049 R)
• M25: 24,259,688 km (0.106 R)
• M26: 24,457,905 km (0.08 R)
• M27: 30,920,833 km (0.107 R)
• M28: 31,153,906 km (0.119 R)
• M29: 31,741,826 km (0.091 R)
• M30: 34,292,021 km (0.047 R)
• M31: 40,487,617 km (0.111 R)
• M32: 42,755,969 km (0.088 R)
• M33: 43,921,336 km (0.066 R)
• M34: 48,010,594 km (0.065 R)
• M35: 54,185,396 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.3

Radius: 3

Gravity: 21.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.77 AU - 11.27 AU

Year: 18966 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,602,979 km

• M1: 47,722 km (0.112 R)
• M2: 155,582 km (0.112 R)
• M3: 331,808 km (0.097 R)
• M4: 645,066 km (0.1 R)
• M5: 1,221,467 km (0.092 R)
• M6: 1,976,337 km (0.095 R)
• M7: 3,726,034 km (0.109 R)
• M8: 4,047,370 km (0.104 R)
• M9: 5,351,415 km (0.102 R)
• M10: 6,562,559 km (0.078 R)
• M11: 7,519,986 km (0.09 R)
• M12: 11,051,692 km (0.109 R)
• M13: 11,214,455 km (0.062 R)
• M14: 12,811,711 km (0.114 R)
• M15: 15,347,096 km (0.025 R)
• M16: 16,378,124 km (0.08 R)
• M17: 17,675,138 km (0.045 R)
• M18: 19,508,909 km (0.066 R)
• M19: 19,826,355 km (0.064 R)
• M20: 24,181,299 km (0.092 R)
• M21: 27,611,877 km (0.117 R)
• M22: 28,012,052 km (0.111 R)
• M23: 37,944,602 km (0.079 R)
• M24: 41,496,205 km (0.079 R)
• M25: 42,152,790 km (0.035 R)
• M26: 44,986,623 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.9

Radius: 3.4

Gravity: 55.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.82 AU - 12.28 AU

Year: 22126 Days

Day: 22.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,602,979 km

• M1: 42,336 km (0.079 R)
• M2: 356,043 km (0.105 R)
• M3: 688,300 km (0.059 R)
• M4: 924,515 km (0.1 R)
• M5: 1,300,454 km (0.061 R)
• M6: 1,440,627 km (0.064 R)
• M7: 1,608,327 km (0.042 R)
• M8: 1,845,589 km (0.052 R)
• M9: 2,023,162 km (0.12 R)
• M10: 2,277,478 km (0.059 R)
• M11: 2,505,465 km (0.092 R)
• M12: 2,824,258 km (0.051 R)
• M13: 3,252,856 km (0.099 R)
• M14: 3,601,718 km (0.079 R)
• M15: 4,982,955 km (0.073 R)
• M16: 5,646,871 km (0.044 R)
• M17: 7,536,591 km (0.111 R)
• M18: 8,355,340 km (0.094 R)
• M19: 8,841,085 km (0.032 R)
• M20: 9,007,138 km (0.093 R)
• M21: 11,687,034 km (0.103 R)
• M22: 13,135,291 km (0.064 R)
• M23: 14,164,674 km (0.12 R)
• M24: 15,088,740 km (0.075 R)
• M25: 17,924,069 km (0.056 R)
• M26: 19,373,223 km (0.113 R)
• M27: 21,292,115 km (0.093 R)
• M28: 30,865,781 km (0.11 R)
• M29: 38,675,986 km (0.067 R)
• M30: 46,527,780 km (0.049 R)
• M31: 51,535,120 km (0.104 R)
• M32: 63,215,273 km (0.096 R)
• M33: 70,212,713 km (0.094 R)
• M34: 72,655,198 km (0.115 R)
• M35: 77,006,252 km (0.11 R)
• M36: 79,364,513 km (0.058 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 13,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit