🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 9

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.81 AU - 0.87 AU

Year: 489 Days

Day: 12.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,383,808 km

• M1: 112,348 km (0.115 R)
• M2: 465,848 km (0.116 R)
• M3: 763,697 km (0.094 R)
• M4: 1,053,917 km (0.075 R)
• M5: 1,466,807 km (0.114 R)
• M6: 1,910,365 km (0.09 R)
• M7: 2,297,674 km (0.056 R)
• M8: 2,726,272 km (0.094 R)
• M9: 3,125,548 km (0.111 R)
• M10: 3,563,571 km (0.086 R)
• M11: 3,945,793 km (0.064 R)
• M12: 4,502,896 km (0.118 R)
• M13: 5,127,766 km (0.098 R)
• M14: 5,685,916 km (0.056 R)
• M15: 6,227,909 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.9

Radius: 13.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.76 AU - 1.04 AU

Year: 543 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,383,808 km

• M1: 165,605 km (0.118 R)
• M2: 588,967 km (0.045 R)
• M3: 1,116,599 km (0.059 R)
• M4: 1,680,882 km (0.115 R)
• M5: 2,102,598 km (0.104 R)
• M6: 2,680,345 km (0.034 R)
• M7: 3,489,670 km (0.037 R)
• M8: 6,612,974 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 9.5

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.89 AU - 1.31 AU

Year: 734 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,383,808 km

• M1: 118,182 km (0.107 R)
• M2: 436,377 km (0.095 R)
• M3: 734,077 km (0.112 R)
• M4: 1,095,056 km (0.079 R)
• M5: 1,567,486 km (0.111 R)
• M6: 2,054,876 km (0.092 R)
• M7: 2,355,867 km (0.103 R)
• M8: 2,973,557 km (0.098 R)
• M9: 3,307,609 km (0.098 R)
• M10: 3,638,220 km (0.082 R)
• M11: 4,464,000 km (0.087 R)
• M12: 4,938,974 km (0.107 R)
• M13: 6,441,684 km (0.063 R)
• M14: 7,161,400 km (0.064 R)
• M15: 8,302,831 km (0.094 R)
• M16: 8,631,947 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 14.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.04 AU - 1.3 AU

Year: 805 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,383,808 km

• M1: 179,069 km (0.06 R)
• M2: 726,148 km (0.079 R)
• M3: 1,492,987 km (0.066 R)
• M4: 2,742,428 km (0.089 R)
• M5: 3,284,720 km (0.109 R)
• M6: 3,958,210 km (0.109 R)
• M7: 5,640,737 km (0.087 R)
• M8: 6,193,651 km (0.098 R)
• M9: 6,913,965 km (0.04 R)
• M10: 7,760,539 km (0.039 R)
• M11: 8,246,433 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.8

Radius: 9.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.4 AU - 1.66 AU

Year: 1203 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,383,808 km

• M1: 117,285 km (0.082 R)
• M2: 540,048 km (0.094 R)
• M3: 984,952 km (0.064 R)
• M4: 1,360,443 km (0.102 R)
• M5: 1,747,154 km (0.087 R)
• M6: 2,089,882 km (0.113 R)
• M7: 3,170,278 km (0.117 R)
• M8: 4,152,238 km (0.113 R)
• M9: 4,550,917 km (0.07 R)
• M10: 5,032,173 km (0.066 R)
• M11: 5,796,469 km (0.119 R)
• M12: 6,775,736 km (0.11 R)
• M13: 7,085,254 km (0.088 R)
• M14: 7,529,261 km (0.093 R)
• M15: 8,230,276 km (0.092 R)
• M16: 9,059,497 km (0.071 R)
• M17: 10,126,729 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 13.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.22 AU - 3.46 AU

Year: 3881 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,383,808 km

• M1: 170,392 km (0.075 R)
• M2: 628,012 km (0.106 R)
• M3: 1,364,931 km (0.111 R)
• M4: 2,298,721 km (0.09 R)
• M5: 4,046,473 km (0.111 R)
• M6: 7,587,754 km (0.093 R)
• M7: 8,249,126 km (0.106 R)
• M8: 8,986,344 km (0.079 R)
• M9: 10,763,567 km (0.086 R)
• M10: 12,010,465 km (0.063 R)
• M11: 13,450,943 km (0.12 R)
• M12: 14,212,994 km (0.105 R)
• M13: 16,386,502 km (0.104 R)
• M14: 16,904,709 km (0.087 R)
• M15: 17,552,767 km (0.111 R)
• M16: 18,339,951 km (0.111 R)
• M17: 19,087,492 km (0.026 R)
• M18: 19,985,079 km (0.067 R)
• M19: 20,510,466 km (0.118 R)
• M20: 21,520,551 km (0.035 R)
• M21: 23,133,516 km (0.077 R)
• M22: 25,052,258 km (0.097 R)
• M23: 25,509,728 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 14.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.91 AU - 4.1 AU

Year: 4163 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,383,808 km

• M1: 187,446 km (0.104 R)
• M2: 1,032,375 km (0.061 R)
• M3: 1,510,789 km (0.056 R)
• M4: 2,099,307 km (0.097 R)
• M5: 2,736,594 km (0.063 R)
• M6: 3,481,442 km (0.115 R)
• M7: 4,288,073 km (0.108 R)
• M8: 6,034,778 km (0.112 R)
• M9: 6,647,980 km (0.082 R)
• M10: 7,821,725 km (0.1 R)
• M11: 8,476,963 km (0.113 R)
• M12: 9,528,786 km (0.073 R)
• M13: 10,234,439 km (0.034 R)
• M14: 11,938,658 km (0.085 R)
• M15: 13,982,315 km (0.08 R)
• M16: 14,568,289 km (0.053 R)
• M17: 15,846,603 km (0.079 R)
• M18: 19,270,599 km (0.106 R)
• M19: 20,810,261 km (0.049 R)
• M20: 23,756,142 km (0.095 R)
• M21: 27,298,320 km (0.069 R)
• M22: 28,383,802 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 18,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit