🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 10.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.49 AU - 0.63 AU

Year: 284 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,452,325 km

• M1: 128,205 km (0.071 R)
• M2: 495,019 km (0.109 R)
• M3: 825,631 km (0.086 R)
• M4: 1,326,185 km (0.074 R)
• M5: 1,665,473 km (0.05 R)
• M6: 2,338,364 km (0.113 R)
• M7: 2,696,202 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.7

Radius: 11.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.57 AU - 0.69 AU

Year: 339 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,452,325 km

• M1: 145,559 km (0.096 R)
• M2: 556,953 km (0.115 R)
• M3: 926,609 km (0.1 R)
• M4: 1,363,884 km (0.11 R)
• M5: 1,816,866 km (0.044 R)
• M6: 2,195,349 km (0.118 R)
• M7: 3,105,353 km (0.094 R)
• M8: 3,595,286 km (0.114 R)
• M9: 3,962,548 km (0.116 R)
• M10: 4,662,816 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.8

Radius: 11.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.86 AU - 1.94 AU

Year: 1776 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,452,325 km

• M1: 144,512 km (0.105 R)
• M2: 556,055 km (0.049 R)
• M3: 1,513,781 km (0.096 R)
• M4: 2,141,793 km (0.091 R)
• M5: 3,096,227 km (0.103 R)
• M6: 4,047,969 km (0.04 R)
• M7: 4,852,955 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 9.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.97 AU - 3.81 AU

Year: 4233 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,452,325 km

• M1: 124,316 km (0.032 R)
• M2: 436,227 km (0.119 R)
• M3: 831,615 km (0.106 R)
• M4: 1,682,976 km (0.097 R)
• M5: 2,046,349 km (0.096 R)
• M6: 2,417,950 km (0.096 R)
• M7: 2,950,519 km (0.051 R)
• M8: 3,714,665 km (0.067 R)
• M9: 4,492,274 km (0.049 R)
• M10: 5,711,198 km (0.099 R)
• M11: 6,255,884 km (0.095 R)
• M12: 6,805,207 km (0.096 R)
• M13: 7,512,955 km (0.056 R)
• M14: 8,371,198 km (0.068 R)
• M15: 8,895,239 km (0.083 R)
• M16: 10,047,741 km (0.083 R)
• M17: 13,244,049 km (0.073 R)
• M18: 13,620,737 km (0.067 R)
• M19: 14,199,082 km (0.083 R)
• M20: 14,693,503 km (0.073 R)
• M21: 17,564,436 km (0.043 R)
• M22: 19,012,393 km (0.115 R)
• M23: 19,918,508 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 14.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.01 AU - 4.59 AU

Year: 5024 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,452,325 km

• M1: 175,329 km (0.072 R)
• M2: 722,109 km (0.081 R)
• M3: 1,179,579 km (0.031 R)
• M4: 2,007,304 km (0.106 R)
• M5: 3,015,594 km (0.116 R)
• M6: 4,003,389 km (0.084 R)
• M7: 5,708,804 km (0.066 R)
• M8: 7,218,696 km (0.101 R)
• M9: 8,031,910 km (0.062 R)
• M10: 11,234,501 km (0.042 R)
• M11: 11,772,455 km (0.065 R)
• M12: 12,327,463 km (0.107 R)
• M13: 13,995,778 km (0.115 R)
• M14: 19,451,314 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 11.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.62 AU - 4.64 AU

Year: 6757 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,452,325 km

• M1: 140,472 km (0.056 R)
• M2: 516,113 km (0.112 R)
• M3: 1,413,999 km (0.116 R)
• M4: 1,811,032 km (0.1 R)
• M5: 2,566,501 km (0.102 R)
• M6: 3,007,665 km (0.083 R)
• M7: 3,652,731 km (0.026 R)
• M8: 4,189,189 km (0.1 R)
• M9: 4,645,163 km (0.077 R)
• M10: 5,627,423 km (0.115 R)
• M11: 8,664,709 km (0.056 R)
• M12: 9,323,388 km (0.081 R)
• M13: 10,464,521 km (0.112 R)
• M14: 11,403,846 km (0.078 R)
• M15: 12,501,296 km (0.089 R)
• M16: 13,832,118 km (0.081 R)
• M17: 14,333,720 km (0.081 R)
• M18: 22,385,676 km (0.054 R)
• M19: 22,768,347 km (0.1 R)
• M20: 24,423,498 km (0.106 R)
• M21: 26,838,905 km (0.108 R)
• M22: 28,148,934 km (0.043 R)
• M23: 29,868,711 km (0.095 R)
• M24: 31,085,241 km (0.117 R)
• M25: 32,043,116 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.4

Radius: 6.2

Gravity: 22.85 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.44 AU - 6.14 AU

Year: 9450 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 27,452,325 km

• M1: 77,940 km (0.114 R)
• M2: 282,142 km (0.097 R)
• M3: 521,199 km (0.094 R)
• M4: 831,615 km (0.059 R)
• M5: 1,583,194 km (0.1 R)
• M6: 2,080,009 km (0.07 R)
• M7: 3,655,723 km (0.083 R)
• M8: 3,975,264 km (0.086 R)
• M9: 4,170,041 km (0.106 R)
• M10: 4,918,928 km (0.095 R)
• M11: 5,409,309 km (0.113 R)
• M12: 6,525,459 km (0.077 R)
• M13: 6,956,002 km (0.055 R)
• M14: 7,322,367 km (0.116 R)
• M15: 8,226,985 km (0.107 R)
• M16: 9,896,797 km (0.032 R)
• M17: 11,000,530 km (0.088 R)
• M18: 15,339,317 km (0.108 R)
• M19: 15,544,266 km (0.05 R)
• M20: 16,525,329 km (0.06 R)
• M21: 17,771,329 km (0.116 R)
• M22: 23,203,677 km (0.097 R)
• M23: 23,474,000 km (0.066 R)
• M24: 23,929,077 km (0.111 R)
• M25: 24,297,537 km (0.103 R)
• M26: 27,181,784 km (0.115 R)
• M27: 29,541,989 km (0.057 R)
• M28: 30,501,510 km (0.108 R)
• M29: 34,431,147 km (0.04 R)
• M30: 34,782,851 km (0.117 R)
• M31: 38,182,313 km (0.095 R)
• M32: 41,135,226 km (0.114 R)
• M33: 41,663,905 km (0.104 R)
• M34: 45,351,342 km (0.107 R)
• M35: 49,399,162 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.1

Radius: 6.2

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.43 AU - 10.15 AU

Year: 16189 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,452,325 km

• M1: 77,043 km (0.106 R)
• M2: 455,526 km (0.098 R)
• M3: 1,181,823 km (0.116 R)
• M4: 1,936,395 km (0.055 R)
• M5: 2,377,409 km (0.105 R)
• M6: 2,741,680 km (0.057 R)
• M7: 3,665,896 km (0.093 R)
• M8: 7,287,062 km (0.095 R)
• M9: 8,722,753 km (0.077 R)
• M10: 9,227,346 km (0.026 R)
• M11: 12,477,659 km (0.079 R)
• M12: 21,463,405 km (0.038 R)
• M13: 23,770,952 km (0.066 R)
• M14: 24,296,938 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 12,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit