🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 10.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,727,110 km

• M1: 130,599 km (0.099 R)
• M2: 457,321 km (0.088 R)
• M3: 793,766 km (0.069 R)
• M4: 1,155,045 km (0.111 R)
• M5: 2,057,270 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.1

Radius: 14.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.61 AU - 0.79 AU

Year: 391 Days

Day: 6 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,727,110 km

• M1: 185,352 km (0.038 R)
• M2: 742,005 km (0.096 R)
• M3: 1,390,662 km (0.089 R)
• M4: 1,964,370 km (0.092 R)
• M5: 2,657,008 km (0.119 R)
• M6: 3,143,799 km (0.103 R)
• M7: 3,629,693 km (0.041 R)
• M8: 4,246,635 km (0.051 R)
• M9: 4,963,657 km (0.111 R)
• M10: 5,545,144 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.8

Radius: 14.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.87 AU - 1.21 AU

Year: 707 Days

Day: 10.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,727,110 km

• M1: 185,651 km (0.113 R)
• M2: 820,096 km (0.108 R)
• M3: 1,307,186 km (0.109 R)
• M4: 1,843,644 km (0.073 R)
• M5: 2,327,593 km (0.057 R)
• M6: 3,013,200 km (0.109 R)
• M7: 3,986,185 km (0.082 R)
• M8: 4,842,633 km (0.113 R)
• M9: 5,987,655 km (0.082 R)
• M10: 6,655,011 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 9.3

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.57 AU - 2.11 AU

Year: 1664 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,727,110 km

• M1: 115,938 km (0.078 R)
• M2: 548,127 km (0.109 R)
• M3: 1,439,132 km (0.088 R)
• M4: 2,768,757 km (0.077 R)
• M5: 3,473,214 km (0.066 R)
• M6: 3,932,180 km (0.095 R)
• M7: 4,312,159 km (0.116 R)
• M8: 5,168,606 km (0.086 R)
• M9: 7,555,291 km (0.113 R)
• M10: 9,216,725 km (0.074 R)
• M11: 11,638,714 km (0.112 R)
• M12: 15,550,699 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 11.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.45 AU - 2.39 AU

Year: 1774 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,727,110 km

• M1: 141,819 km (0.043 R)
• M2: 546,780 km (0.089 R)
• M3: 1,233,135 km (0.063 R)
• M4: 1,836,463 km (0.06 R)
• M5: 2,191,310 km (0.117 R)
• M6: 2,592,531 km (0.101 R)
• M7: 3,111,486 km (0.053 R)
• M8: 4,792,069 km (0.116 R)
• M9: 5,333,314 km (0.083 R)
• M10: 6,221,476 km (0.092 R)
• M11: 6,819,120 km (0.112 R)
• M12: 8,209,632 km (0.103 R)
• M13: 9,072,363 km (0.09 R)
• M14: 9,481,363 km (0.049 R)
• M15: 10,399,446 km (0.062 R)
• M16: 11,208,920 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 9.6

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.06 AU - 5.22 AU

Year: 6665 Days

Day: 12.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,727,110 km

• M1: 119,678 km (0.094 R)
• M2: 669,899 km (0.042 R)
• M3: 1,173,296 km (0.101 R)
• M4: 1,916,498 km (0.088 R)
• M5: 3,998,901 km (0.12 R)
• M6: 5,212,738 km (0.109 R)
• M7: 6,238,830 km (0.066 R)
• M8: 8,551,164 km (0.077 R)
• M9: 16,143,854 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 5

Gravity: 23.57 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.98 AU - 6.22 AU

Year: 10047 Days

Day: 20.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,727,110 km

• M1: 76,594 km (0.091 R)
• M2: 249,230 km (0.069 R)
• M3: 473,178 km (0.05 R)
• M4: 647,310 km (0.035 R)
• M5: 828,323 km (0.062 R)
• M6: 1,001,558 km (0.032 R)
• M7: 1,234,482 km (0.107 R)
• M8: 1,462,469 km (0.1 R)
• M9: 4,032,261 km (0.078 R)
• M10: 4,925,360 km (0.067 R)
• M11: 6,227,161 km (0.06 R)
• M12: 7,618,272 km (0.097 R)
• M13: 8,124,660 km (0.044 R)
• M14: 8,698,368 km (0.067 R)
• M15: 9,157,634 km (0.083 R)
• M16: 10,529,596 km (0.073 R)
• M17: 16,063,221 km (0.045 R)
• M18: 16,475,363 km (0.08 R)
• M19: 23,972,610 km (0.084 R)
• M20: 24,510,564 km (0.071 R)
• M21: 26,361,987 km (0.119 R)
• M22: 27,224,718 km (0.089 R)
• M23: 27,419,046 km (0.115 R)
• M24: 30,549,381 km (0.104 R)
• M25: 33,909,798 km (0.114 R)
• M26: 36,321,166 km (0.082 R)
• M27: 36,911,629 km (0.116 R)
• M28: 37,628,801 km (0.092 R)
• M29: 37,990,678 km (0.083 R)
• M30: 40,337,420 km (0.094 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: 378 - 13,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit