🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.01 AU - 1.05 AU

Year: 686 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,158,791 km

• M1: 99,483 km (0.104 R)
• M2: 375,790 km (0.119 R)
• M3: 655,837 km (0.086 R)
• M4: 1,526,347 km (0.099 R)
• M5: 1,843,046 km (0.096 R)
• M6: 2,146,430 km (0.112 R)
• M7: 2,472,703 km (0.089 R)
• M8: 2,900,852 km (0.118 R)
• M9: 3,977,359 km (0.094 R)
• M10: 5,126,270 km (0.077 R)
• M11: 5,917,643 km (0.12 R)
• M12: 6,224,917 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.1

Radius: 15

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.6 AU - 3.42 AU

Year: 3426 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,158,791 km

• M1: 194,776 km (0.112 R)
• M2: 669,600 km (0.108 R)
• M3: 1,170,903 km (0.113 R)
• M4: 1,782,010 km (0.077 R)
• M5: 2,300,516 km (0.092 R)
• M6: 2,823,061 km (0.105 R)
• M7: 3,709,429 km (0.083 R)
• M8: 5,035,016 km (0.096 R)
• M9: 5,820,554 km (0.097 R)
• M10: 9,543,746 km (0.055 R)
• M11: 10,310,435 km (0.119 R)
• M12: 10,912,117 km (0.117 R)
• M13: 14,977,888 km (0.077 R)
• M14: 17,999,765 km (0.108 R)
• M15: 19,959,647 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 13.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.45 AU - 4.47 AU

Year: 6179 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 83.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,158,791 km

• M1: 172,486 km (0.101 R)
• M2: 1,383,182 km (0.068 R)
• M3: 2,371,575 km (0.079 R)
• M4: 3,767,622 km (0.09 R)
• M5: 4,426,152 km (0.116 R)
• M6: 6,183,927 km (0.09 R)
• M7: 7,170,076 km (0.1 R)
• M8: 8,369,402 km (0.087 R)
• M9: 9,616,600 km (0.056 R)
• M10: 11,902,755 km (0.079 R)
• M11: 13,122,127 km (0.12 R)
• M12: 14,693,353 km (0.078 R)
• M13: 16,095,983 km (0.081 R)
• M14: 16,859,680 km (0.106 R)
• M15: 18,459,779 km (0.117 R)
• M16: 19,691,568 km (0.103 R)
• M17: 24,093,485 km (0.057 R)
• M18: 26,442,321 km (0.112 R)
• M19: 27,922,742 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 11.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.41 AU - 4.51 AU

Year: 6179 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,158,791 km

• M1: 138,528 km (0.081 R)
• M2: 485,295 km (0.06 R)
• M3: 924,216 km (0.103 R)
• M4: 1,310,029 km (0.069 R)
• M5: 1,962,126 km (0.11 R)
• M6: 2,491,852 km (0.089 R)
• M7: 2,858,067 km (0.116 R)
• M8: 3,239,542 km (0.063 R)
• M9: 3,816,840 km (0.086 R)
• M10: 4,306,773 km (0.076 R)
• M11: 7,945,741 km (0.108 R)
• M12: 9,914,000 km (0.08 R)
• M13: 10,371,471 km (0.102 R)
• M14: 10,747,560 km (0.055 R)
• M15: 11,627,195 km (0.093 R)
• M16: 12,187,888 km (0.103 R)
• M17: 12,820,089 km (0.118 R)
• M18: 13,641,082 km (0.058 R)
• M19: 14,848,785 km (0.093 R)
• M20: 16,126,351 km (0.117 R)
• M21: 16,695,870 km (0.103 R)
• M22: 18,280,112 km (0.096 R)
• M23: 20,841,078 km (0.065 R)
• M24: 23,794,589 km (0.057 R)
• M25: 27,016,328 km (0.089 R)
• M26: 29,194,623 km (0.095 R)
• M27: 29,851,358 km (0.095 R)
• M28: 33,590,107 km (0.096 R)
• M29: 35,148,169 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 13.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.06 AU - 5.96 AU

Year: 8485 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,158,791 km

• M1: 299,196 km (0.116 R)
• M2: 1,083,388 km (0.077 R)
• M3: 3,235,353 km (0.061 R)
• M4: 4,425,703 km (0.115 R)
• M5: 4,976,972 km (0.08 R)
• M6: 5,517,768 km (0.025 R)
• M7: 6,248,703 km (0.093 R)
• M8: 10,561,011 km (0.105 R)
• M9: 11,047,952 km (0.053 R)
• M10: 11,830,200 km (0.111 R)
• M11: 13,402,772 km (0.074 R)
• M12: 19,609,438 km (0.083 R)
• M13: 28,006,068 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.2

Radius: 4.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.47 AU - 10.23 AU

Year: 15828 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,158,791 km

• M1: 170,990 km (0.103 R)
• M2: 427,252 km (0.067 R)
• M3: 1,654,253 km (0.068 R)
• M4: 2,132,966 km (0.12 R)
• M5: 2,698,746 km (0.09 R)
• M6: 4,891,252 km (0.083 R)
• M7: 8,187,491 km (0.117 R)
• M8: 8,578,092 km (0.077 R)
• M9: 12,026,322 km (0.052 R)
• M10: 14,742,421 km (0.116 R)
• M11: 22,565,492 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.6

Radius: 7.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.82 AU - 13.04 AU

Year: 22097 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,158,791 km

• M1: 93,349 km (0.104 R)
• M2: 696,378 km (0.119 R)
• M3: 1,019,659 km (0.114 R)
• M4: 1,468,453 km (0.094 R)
• M5: 1,769,294 km (0.081 R)
• M6: 4,382,170 km (0.116 R)
• M7: 4,856,096 km (0.086 R)
• M8: 5,871,268 km (0.053 R)
• M9: 6,263,364 km (0.108 R)
• M10: 6,522,018 km (0.103 R)
• M11: 7,100,214 km (0.056 R)
• M12: 7,838,629 km (0.091 R)
• M13: 8,763,742 km (0.111 R)
• M14: 10,464,072 km (0.046 R)
• M15: 11,202,038 km (0.07 R)
• M16: 13,871,911 km (0.071 R)
• M17: 14,826,944 km (0.072 R)
• M18: 21,664,016 km (0.084 R)
• M19: 22,342,442 km (0.104 R)
• M20: 28,088,945 km (0.088 R)
• M21: 38,318,298 km (0.032 R)
• M22: 41,215,560 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 17,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit