🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.1

Radius: 12

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.66 AU - 0.8 AU

Year: 431 Days

Day: 13 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,607,337 km

• M1: 149,897 km (0.077 R)
• M2: 579,841 km (0.061 R)
• M3: 1,139,487 km (0.087 R)
• M4: 1,781,711 km (0.098 R)
• M5: 2,333,128 km (0.09 R)
• M6: 2,836,824 km (0.086 R)
• M7: 3,794,400 km (0.085 R)
• M8: 4,813,162 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.5

Radius: 12.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.26 AU - 1.26 AU

Year: 976 Days

Day: 9.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,607,337 km

• M1: 154,235 km (0.108 R)
• M2: 602,580 km (0.107 R)
• M3: 1,273,227 km (0.032 R)
• M4: 2,810,495 km (0.112 R)
• M5: 4,286,278 km (0.071 R)
• M6: 4,788,329 km (0.058 R)
• M7: 5,194,636 km (0.105 R)
• M8: 5,730,496 km (0.046 R)
• M9: 6,554,481 km (0.064 R)
• M10: 6,954,356 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 9.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.32 AU - 1.54 AU

Year: 1180 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,607,337 km

• M1: 123,269 km (0.11 R)
• M2: 556,205 km (0.048 R)
• M3: 949,049 km (0.07 R)
• M4: 1,265,299 km (0.042 R)
• M5: 1,816,717 km (0.057 R)
• M6: 2,362,898 km (0.064 R)
• M7: 2,903,545 km (0.095 R)
• M8: 4,143,412 km (0.062 R)
• M9: 5,618,597 km (0.104 R)
• M10: 6,632,122 km (0.103 R)
• M11: 7,442,793 km (0.114 R)
• M12: 9,726,106 km (0.09 R)
• M13: 10,670,517 km (0.079 R)
• M14: 11,286,711 km (0.035 R)
• M15: 11,782,328 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 11.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.37 AU - 1.69 AU

Year: 1306 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,607,337 km

• M1: 146,905 km (0.088 R)
• M2: 771,626 km (0.07 R)
• M3: 1,671,607 km (0.066 R)
• M4: 2,097,961 km (0.047 R)
• M5: 2,484,372 km (0.112 R)
• M6: 3,776,299 km (0.041 R)
• M7: 4,288,672 km (0.028 R)
• M8: 4,655,785 km (0.12 R)
• M9: 5,569,230 km (0.05 R)
• M10: 6,707,819 km (0.051 R)
• M11: 8,896,735 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 8.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.24 AU - 3.72 AU

Year: 3551 Days

Day: 14 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,607,337 km

• M1: 109,506 km (0.078 R)
• M2: 777,460 km (0.035 R)
• M3: 1,979,329 km (0.089 R)
• M4: 2,618,262 km (0.105 R)
• M5: 2,972,360 km (0.092 R)
• M6: 3,761,489 km (0.071 R)
• M7: 4,196,669 km (0.099 R)
• M8: 4,683,760 km (0.064 R)
• M9: 4,970,389 km (0.105 R)
• M10: 5,600,047 km (0.056 R)
• M11: 5,989,600 km (0.077 R)
• M12: 6,969,017 km (0.077 R)
• M13: 8,352,797 km (0.044 R)
• M14: 10,482,024 km (0.116 R)
• M15: 11,175,559 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.2

Radius: 14.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.12 AU - 3.28 AU

Year: 3951 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,607,337 km

• M1: 195,375 km (0.065 R)
• M2: 790,475 km (0.053 R)
• M3: 1,365,829 km (0.101 R)
• M4: 1,832,275 km (0.076 R)
• M5: 2,588,791 km (0.05 R)
• M6: 3,527,368 km (0.116 R)
• M7: 4,272,066 km (0.079 R)
• M8: 4,801,344 km (0.089 R)
• M9: 5,504,753 km (0.114 R)
• M10: 6,105,089 km (0.076 R)
• M11: 6,598,762 km (0.046 R)
• M12: 7,119,063 km (0.087 R)
• M13: 8,207,687 km (0.108 R)
• M14: 9,178,727 km (0.07 R)
• M15: 10,386,730 km (0.098 R)
• M16: 11,830,798 km (0.086 R)
• M17: 12,647,752 km (0.113 R)
• M18: 13,117,639 km (0.058 R)
• M19: 13,795,018 km (0.089 R)
• M20: 14,444,871 km (0.053 R)
• M21: 14,906,680 km (0.095 R)
• M22: 15,968,376 km (0.069 R)
• M23: 17,480,960 km (0.057 R)
• M24: 18,301,953 km (0.06 R)
• M25: 19,271,497 km (0.105 R)
• M26: 23,354,920 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.7

Radius: 4.7

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.34 AU - 9.92 AU

Year: 16001 Days

Day: 21.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,607,337 km

• M1: 58,493 km (0.104 R)
• M2: 281,842 km (0.068 R)
• M3: 472,580 km (0.114 R)
• M4: 960,867 km (0.114 R)
• M5: 1,151,305 km (0.11 R)
• M6: 1,326,784 km (0.101 R)
• M7: 1,491,491 km (0.086 R)
• M8: 2,069,687 km (0.097 R)
• M9: 2,698,746 km (0.071 R)
• M10: 2,851,784 km (0.067 R)
• M11: 3,127,942 km (0.101 R)
• M12: 3,896,277 km (0.114 R)
• M13: 5,240,413 km (0.12 R)
• M14: 6,509,602 km (0.118 R)
• M15: 8,015,304 km (0.049 R)
• M16: 10,153,058 km (0.06 R)
• M17: 11,753,007 km (0.091 R)
• M18: 11,927,438 km (0.108 R)
• M19: 21,180,366 km (0.109 R)
• M20: 22,763,859 km (0.118 R)
• M21: 23,492,251 km (0.098 R)
• M22: 35,869,081 km (0.087 R)
• M23: 37,354,140 km (0.094 R)
• M24: 42,599,789 km (0.064 R)
• M25: 42,874,301 km (0.086 R)
• M26: 47,427,462 km (0.081 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 16,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit