🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 11

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.62 AU - 0.72 AU

Year: 372 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,838,067 km

• M1: 136,732 km (0.055 R)
• M2: 482,004 km (0.116 R)
• M3: 882,029 km (0.099 R)
• M4: 1,447,958 km (0.06 R)
• M5: 2,064,151 km (0.106 R)
• M6: 2,538,975 km (0.073 R)
• M7: 2,908,931 km (0.115 R)
• M8: 3,520,636 km (0.102 R)
• M9: 4,059,787 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 13.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.01 AU - 1.03 AU

Year: 699 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,838,067 km

• M1: 171,589 km (0.025 R)
• M2: 622,327 km (0.075 R)
• M3: 1,783,805 km (0.091 R)
• M4: 2,398,353 km (0.104 R)
• M5: 2,940,496 km (0.095 R)
• M6: 3,791,408 km (0.109 R)
• M7: 4,532,815 km (0.084 R)
• M8: 5,204,959 km (0.096 R)
• M9: 6,082,350 km (0.107 R)
• M10: 6,514,688 km (0.098 R)
• M11: 8,131,542 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 12.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.99 AU - 1.15 AU

Year: 751 Days

Day: 7.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,838,067 km

• M1: 164,408 km (0.11 R)
• M2: 1,027,289 km (0.085 R)
• M3: 1,718,730 km (0.031 R)
• M4: 2,738,539 km (0.088 R)
• M5: 3,717,657 km (0.066 R)
• M6: 4,682,114 km (0.111 R)
• M7: 5,126,121 km (0.076 R)
• M8: 6,630,477 km (0.109 R)
• M9: 7,125,945 km (0.116 R)
• M10: 8,118,676 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.4

Radius: 8.8

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.08 AU - 1.1 AU

Year: 772 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,838,067 km

• M1: 109,506 km (0.096 R)
• M2: 517,758 km (0.085 R)
• M3: 872,305 km (0.094 R)
• M4: 1,212,341 km (0.119 R)
• M5: 1,534,725 km (0.03 R)
• M6: 1,886,728 km (0.091 R)
• M7: 2,198,490 km (0.117 R)
• M8: 2,767,561 km (0.065 R)
• M9: 3,362,063 km (0.111 R)
• M10: 3,930,534 km (0.043 R)
• M11: 4,647,258 km (0.106 R)
• M12: 5,165,614 km (0.103 R)
• M13: 5,525,697 km (0.064 R)
• M14: 6,841,410 km (0.116 R)
• M15: 7,183,241 km (0.06 R)
• M16: 7,584,462 km (0.114 R)
• M17: 7,975,661 km (0.051 R)
• M18: 8,380,323 km (0.079 R)
• M19: 9,203,261 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 13.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.31 AU - 1.63 AU

Year: 1209 Days

Day: 9.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,838,067 km

• M1: 171,589 km (0.101 R)
• M2: 616,044 km (0.106 R)
• M3: 1,171,202 km (0.088 R)
• M4: 1,736,831 km (0.099 R)
• M5: 2,409,274 km (0.079 R)
• M6: 3,085,905 km (0.093 R)
• M7: 4,203,551 km (0.063 R)
• M8: 5,824,443 km (0.114 R)
• M9: 6,303,605 km (0.083 R)
• M10: 7,878,123 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.7

Radius: 10.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.31 AU - 2.11 AU

Year: 1517 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,838,067 km

• M1: 128,355 km (0.114 R)
• M2: 525,089 km (0.11 R)
• M3: 977,024 km (0.09 R)
• M4: 1,419,235 km (0.049 R)
• M5: 1,834,070 km (0.079 R)
• M6: 2,250,251 km (0.117 R)
• M7: 2,678,251 km (0.116 R)
• M8: 3,348,300 km (0.118 R)
• M9: 3,795,148 km (0.063 R)
• M10: 4,281,641 km (0.117 R)
• M11: 4,641,124 km (0.096 R)
• M12: 5,462,267 km (0.117 R)
• M13: 7,467,776 km (0.085 R)
• M14: 8,233,717 km (0.093 R)
• M15: 8,706,596 km (0.081 R)
• M16: 9,645,921 km (0.114 R)
• M17: 11,079,368 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 14.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.49 AU - 2.39 AU

Year: 1833 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,838,067 km

• M1: 180,415 km (0.111 R)
• M2: 712,684 km (0.045 R)
• M3: 1,185,114 km (0.079 R)
• M4: 1,658,891 km (0.108 R)
• M5: 2,299,768 km (0.089 R)
• M6: 2,787,008 km (0.061 R)
• M7: 3,443,893 km (0.109 R)
• M8: 4,339,535 km (0.114 R)
• M9: 4,811,068 km (0.108 R)
• M10: 5,524,649 km (0.093 R)
• M11: 6,030,589 km (0.056 R)
• M12: 6,567,496 km (0.088 R)
• M13: 7,304,864 km (0.103 R)
• M14: 8,036,248 km (0.113 R)
• M15: 9,341,340 km (0.1 R)
• M16: 9,922,378 km (0.094 R)
• M17: 12,532,412 km (0.117 R)
• M18: 13,539,056 km (0.066 R)
• M19: 15,336,026 km (0.103 R)
• M20: 15,904,797 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 11.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.53 AU - 4.41 AU

Year: 5365 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,838,067 km

• M1: 155,582 km (0.075 R)
• M2: 522,695 km (0.111 R)
• M3: 1,400,984 km (0.11 R)
• M4: 1,943,127 km (0.06 R)
• M5: 2,911,025 km (0.098 R)
• M6: 3,940,258 km (0.107 R)
• M7: 5,619,046 km (0.089 R)
• M8: 6,552,387 km (0.065 R)
• M9: 8,282,337 km (0.105 R)
• M10: 9,518,314 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.5

Radius: 7.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.94 AU - 8.34 AU

Year: 15752 Days

Day: 21.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,838,067 km

• M1: 95,743 km (0.104 R)
• M2: 448,195 km (0.077 R)
• M3: 1,035,217 km (0.038 R)
• M4: 1,536,969 km (0.09 R)
• M5: 1,965,417 km (0.045 R)
• M6: 2,545,109 km (0.085 R)
• M7: 3,458,104 km (0.088 R)
• M8: 3,913,929 km (0.117 R)
• M9: 8,052,255 km (0.093 R)
• M10: 8,509,576 km (0.048 R)
• M11: 9,340,143 km (0.063 R)
• M12: 9,751,986 km (0.118 R)
• M13: 13,038,202 km (0.118 R)
• M14: 22,411,706 km (0.12 R)
• M15: 23,067,244 km (0.026 R)
• M16: 24,159,607 km (0.092 R)
• M17: 24,502,486 km (0.108 R)
• M18: 26,447,108 km (0.104 R)
• M19: 28,207,427 km (0.119 R)
• M20: 29,261,493 km (0.088 R)
• M21: 36,479,740 km (0.113 R)
• M22: 38,774,721 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: 414 - 13,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit