🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 10.4

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.46 AU - 0.74 AU

Year: 315 Days

Day: 12.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,655,699 km

• M1: 129,402 km (0.09 R)
• M2: 475,422 km (0.086 R)
• M3: 822,489 km (0.098 R)
• M4: 1,177,036 km (0.051 R)
• M5: 1,919,490 km (0.057 R)
• M6: 2,280,470 km (0.094 R)
• M7: 3,996,358 km (0.089 R)
• M8: 4,748,685 km (0.1 R)
• M9: 5,243,705 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 8.4

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.53 AU - 0.85 AU

Year: 389 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,655,699 km

• M1: 104,419 km (0.096 R)
• M2: 369,507 km (0.047 R)
• M3: 689,796 km (0.109 R)
• M4: 1,554,771 km (0.108 R)
• M5: 2,191,459 km (0.089 R)
• M6: 2,472,404 km (0.088 R)
• M7: 3,395,572 km (0.111 R)
• M8: 4,246,635 km (0.08 R)
• M9: 4,532,067 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 9.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.99 AU - 1.23 AU

Year: 793 Days

Day: 6.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,655,699 km

• M1: 114,442 km (0.043 R)
• M2: 401,969 km (0.097 R)
• M3: 897,587 km (0.112 R)
• M4: 1,434,045 km (0.052 R)
• M5: 1,913,207 km (0.095 R)
• M6: 2,796,283 km (0.114 R)
• M7: 3,640,913 km (0.063 R)
• M8: 4,307,671 km (0.05 R)
• M9: 5,087,076 km (0.063 R)
• M10: 6,204,422 km (0.12 R)
• M11: 6,517,680 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 12.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.94 AU - 1.44 AU

Year: 880 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,655,699 km

• M1: 153,039 km (0.088 R)
• M2: 578,345 km (0.042 R)
• M3: 986,748 km (0.098 R)
• M4: 1,376,151 km (0.102 R)
• M5: 1,797,269 km (0.108 R)
• M6: 2,316,373 km (0.065 R)
• M7: 3,241,935 km (0.072 R)
• M8: 4,099,281 km (0.054 R)
• M9: 5,255,224 km (0.043 R)
• M10: 6,846,197 km (0.078 R)
• M11: 7,368,742 km (0.067 R)
• M12: 7,790,758 km (0.111 R)
• M13: 9,672,101 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.1

Radius: 14.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.01 AU - 1.53 AU

Year: 971 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,655,699 km

• M1: 181,612 km (0.049 R)
• M2: 681,867 km (0.065 R)
• M3: 1,245,701 km (0.091 R)
• M4: 1,717,832 km (0.103 R)
• M5: 2,471,955 km (0.115 R)
• M6: 3,144,697 km (0.095 R)
• M7: 3,613,088 km (0.068 R)
• M8: 5,081,391 km (0.089 R)
• M9: 6,049,588 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 13.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.21 AU - 2.41 AU

Year: 2381 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,655,699 km

• M1: 254,167 km (0.12 R)
• M2: 2,964,880 km (0.099 R)
• M3: 3,493,858 km (0.104 R)
• M4: 4,352,101 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.1

Radius: 13

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.94 AU - 3.18 AU

Year: 2778 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,655,699 km

• M1: 162,014 km (0.096 R)
• M2: 907,610 km (0.039 R)
• M3: 1,759,570 km (0.099 R)
• M4: 4,256,059 km (0.079 R)
• M5: 5,894,455 km (0.082 R)
• M6: 6,369,728 km (0.089 R)
• M7: 6,785,311 km (0.112 R)
• M8: 9,494,378 km (0.044 R)
• M9: 11,030,300 km (0.106 R)
• M10: 12,856,740 km (0.114 R)
• M11: 13,980,220 km (0.111 R)
• M12: 14,685,125 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.5

Radius: 3.6

Gravity: 61.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.8 AU - 9.58 AU

Year: 15897 Days

Day: 19.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,655,699 km

• M1: 98,136 km (0.104 R)
• M2: 358,586 km (0.054 R)
• M3: 601,982 km (0.095 R)
• M4: 912,697 km (0.093 R)
• M5: 1,264,700 km (0.049 R)
• M6: 1,410,259 km (0.054 R)
• M7: 1,534,874 km (0.114 R)
• M8: 2,741,381 km (0.11 R)
• M9: 3,548,312 km (0.119 R)
• M10: 4,305,427 km (0.072 R)
• M11: 5,019,906 km (0.11 R)
• M12: 10,492,346 km (0.026 R)
• M13: 10,669,470 km (0.115 R)
• M14: 10,908,677 km (0.076 R)
• M15: 11,274,144 km (0.05 R)
• M16: 13,993,235 km (0.061 R)
• M17: 14,207,759 km (0.12 R)
• M18: 16,317,687 km (0.077 R)
• M19: 18,370,020 km (0.117 R)
• M20: 19,680,647 km (0.098 R)
• M21: 20,221,892 km (0.111 R)
• M22: 20,588,108 km (0.091 R)
• M23: 21,052,160 km (0.098 R)
• M24: 21,334,003 km (0.119 R)
• M25: 21,905,018 km (0.09 R)
• M26: 22,097,700 km (0.096 R)
• M27: 22,682,179 km (0.085 R)
• M28: 23,780,676 km (0.068 R)
• M29: 24,601,370 km (0.051 R)
• M30: 25,547,128 km (0.093 R)
• M31: 25,760,454 km (0.098 R)
• M32: 26,955,592 km (0.092 R)
• M33: 34,001,202 km (0.113 R)
• M34: 36,103,801 km (0.049 R)
• M35: 36,914,023 km (0.038 R)
• M36: 38,152,095 km (0.105 R)
• M37: 44,914,367 km (0.1 R)
• M38: 45,225,231 km (0.112 R)
• M39: 45,381,262 km (0.095 R)
• M40: 49,233,108 km (0.067 R)
• M41: 52,260,969 km (0.118 R)
• M42: 53,123,550 km (0.094 R)
• M43: 54,700,162 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 18,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit