🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 11.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,188,971 km

• M1: 139,276 km (0.063 R)
• M2: 527,033 km (0.094 R)
• M3: 1,183,020 km (0.094 R)
• M4: 1,560,455 km (0.098 R)
• M5: 1,945,520 km (0.06 R)
• M6: 2,303,957 km (0.102 R)
• M7: 2,673,613 km (0.115 R)
• M8: 3,092,338 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 10.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.8 AU - 1 AU

Year: 569 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,188,971 km

• M1: 131,945 km (0.084 R)
• M2: 472,280 km (0.053 R)
• M3: 937,081 km (0.075 R)
• M4: 1,289,982 km (0.097 R)
• M5: 1,851,274 km (0.11 R)
• M6: 2,194,302 km (0.043 R)
• M7: 2,559,769 km (0.043 R)
• M8: 2,988,517 km (0.12 R)
• M9: 3,490,268 km (0.034 R)
• M10: 4,601,930 km (0.084 R)
• M11: 4,993,727 km (0.076 R)
• M12: 5,340,195 km (0.091 R)
• M13: 5,898,943 km (0.05 R)
• M14: 6,230,153 km (0.119 R)
• M15: 6,573,779 km (0.089 R)

Asteroid Belt

Center: 1.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 10.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.37 AU - 1.79 AU

Year: 1324 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,188,971 km

• M1: 131,945 km (0.091 R)
• M2: 491,429 km (0.102 R)
• M3: 1,108,371 km (0.119 R)
• M4: 1,558,211 km (0.088 R)
• M5: 1,944,772 km (0.061 R)
• M6: 3,180,600 km (0.078 R)
• M7: 3,761,040 km (0.109 R)
• M8: 4,452,033 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 10.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.42 AU - 1.82 AU

Year: 1375 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,188,971 km

• M1: 131,197 km (0.082 R)
• M2: 495,019 km (0.099 R)
• M3: 933,341 km (0.103 R)
• M4: 1,280,857 km (0.111 R)
• M5: 2,259,825 km (0.118 R)
• M6: 2,754,396 km (0.08 R)
• M7: 3,307,160 km (0.109 R)
• M8: 4,138,176 km (0.071 R)
• M9: 4,619,133 km (0.075 R)
• M10: 5,347,974 km (0.108 R)
• M11: 5,768,344 km (0.085 R)
• M12: 6,821,813 km (0.109 R)
• M13: 7,383,253 km (0.11 R)
• M14: 7,721,045 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 14.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.91 AU - 4.21 AU

Year: 4479 Days

Day: 10.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,188,971 km

• M1: 189,092 km (0.079 R)
• M2: 638,633 km (0.114 R)
• M3: 1,148,612 km (0.065 R)
• M4: 1,597,256 km (0.039 R)
• M5: 2,843,407 km (0.077 R)
• M6: 3,753,560 km (0.088 R)
• M7: 4,234,069 km (0.083 R)
• M8: 6,468,911 km (0.112 R)
• M9: 7,065,208 km (0.083 R)
• M10: 7,908,491 km (0.033 R)
• M11: 8,535,307 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 9.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.12 AU - 4.38 AU

Year: 4843 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,188,971 km

• M1: 122,221 km (0.043 R)
• M2: 440,416 km (0.117 R)
• M3: 804,687 km (0.065 R)
• M4: 1,386,024 km (0.093 R)
• M5: 2,028,547 km (0.056 R)
• M6: 2,379,653 km (0.111 R)
• M7: 2,911,623 km (0.072 R)
• M8: 3,749,521 km (0.047 R)
• M9: 4,519,651 km (0.088 R)
• M10: 5,045,787 km (0.098 R)
• M11: 5,446,260 km (0.089 R)
• M12: 6,713,504 km (0.088 R)
• M13: 8,095,339 km (0.115 R)
• M14: 11,187,826 km (0.115 R)
• M15: 11,503,029 km (0.099 R)
• M16: 13,622,980 km (0.12 R)
• M17: 18,747,007 km (0.106 R)
• M18: 19,321,014 km (0.115 R)
• M19: 22,226,653 km (0.062 R)
• M20: 22,797,668 km (0.066 R)
• M21: 23,378,557 km (0.076 R)
• M22: 26,193,839 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.3

Radius: 3.5

Gravity: 42.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.97 AU - 8.49 AU

Year: 15745 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,188,971 km

• M1: 43,533 km (0.068 R)
• M2: 161,865 km (0.057 R)
• M3: 290,369 km (0.107 R)
• M4: 664,813 km (0.074 R)
• M5: 871,408 km (0.056 R)
• M6: 2,327,444 km (0.112 R)
• M7: 2,493,497 km (0.102 R)
• M8: 2,667,330 km (0.073 R)
• M9: 3,187,482 km (0.114 R)
• M10: 3,551,902 km (0.074 R)
• M11: 4,060,535 km (0.077 R)
• M12: 4,363,171 km (0.117 R)
• M13: 5,116,247 km (0.101 R)
• M14: 5,361,588 km (0.113 R)
• M15: 7,304,415 km (0.083 R)
• M16: 9,100,487 km (0.11 R)
• M17: 12,190,730 km (0.098 R)
• M18: 13,667,411 km (0.111 R)
• M19: 16,970,382 km (0.117 R)
• M20: 17,673,492 km (0.114 R)
• M21: 18,395,751 km (0.078 R)
• M22: 19,304,857 km (0.061 R)
• M23: 21,481,805 km (0.117 R)
• M24: 26,419,134 km (0.049 R)
• M25: 26,940,333 km (0.095 R)
• M26: 31,243,515 km (0.115 R)
• M27: 32,773,902 km (0.1 R)
• M28: 33,740,005 km (0.111 R)
• M29: 39,530,639 km (0.101 R)
• M30: 39,938,742 km (0.073 R)
• M31: 43,883,189 km (0.058 R)
• M32: 44,908,383 km (0.104 R)
• M33: 47,464,263 km (0.099 R)
• M34: 49,325,709 km (0.103 R)
• M35: 57,085,201 km (0.079 R)
• M36: 57,258,585 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 17,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit