🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 13.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 13.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,421,167 km

• M1: 162,912 km (0.097 R)
• M2: 639,531 km (0.06 R)
• M3: 1,346,381 km (0.109 R)
• M4: 1,767,948 km (0.1 R)
• M5: 2,186,074 km (0.077 R)
• M6: 2,623,348 km (0.062 R)
• M7: 3,642,110 km (0.107 R)
• M8: 4,052,756 km (0.029 R)
• M9: 4,578,144 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 13.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.72 AU - 1.1 AU

Year: 579 Days

Day: 8.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,421,167 km

• M1: 165,605 km (0.111 R)
• M2: 617,690 km (0.105 R)
• M3: 1,039,705 km (0.04 R)
• M4: 1,785,151 km (0.056 R)
• M5: 3,407,391 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 13.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.34 AU - 2.02 AU

Year: 1452 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,421,167 km

• M1: 172,935 km (0.112 R)
• M2: 644,019 km (0.089 R)
• M3: 3,197,654 km (0.068 R)
• M4: 4,622,724 km (0.072 R)
• M5: 5,331,519 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 8.7

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.29 AU - 3.25 AU

Year: 3074 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,421,167 km

• M1: 108,159 km (0.066 R)
• M2: 410,347 km (0.06 R)
• M3: 921,972 km (0.071 R)
• M4: 1,275,771 km (0.094 R)
• M5: 2,020,768 km (0.075 R)
• M6: 2,997,642 km (0.067 R)
• M7: 3,729,924 km (0.098 R)
• M8: 4,301,836 km (0.084 R)
• M9: 4,999,561 km (0.089 R)
• M10: 5,595,409 km (0.111 R)
• M11: 6,508,255 km (0.043 R)
• M12: 7,072,688 km (0.096 R)
• M13: 8,494,616 km (0.094 R)
• M14: 9,065,481 km (0.081 R)
• M15: 9,878,097 km (0.112 R)
• M16: 10,623,693 km (0.039 R)
• M17: 11,088,643 km (0.106 R)
• M18: 11,648,289 km (0.101 R)
• M19: 12,522,688 km (0.102 R)
• M20: 13,801,451 km (0.101 R)
• M21: 16,462,198 km (0.108 R)
• M22: 16,927,897 km (0.074 R)
• M23: 18,048,834 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 9.1

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.94 AU - 4.18 AU

Year: 4479 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,421,167 km

• M1: 122,072 km (0.12 R)
• M2: 713,731 km (0.098 R)
• M3: 1,119,590 km (0.098 R)
• M4: 1,409,810 km (0.077 R)
• M5: 2,297,973 km (0.108 R)
• M6: 2,688,274 km (0.098 R)
• M7: 3,047,159 km (0.065 R)
• M8: 3,357,126 km (0.117 R)
• M9: 3,731,120 km (0.104 R)
• M10: 4,662,666 km (0.088 R)
• M11: 5,346,628 km (0.084 R)
• M12: 5,946,665 km (0.089 R)
• M13: 7,179,501 km (0.116 R)
• M14: 7,625,901 km (0.092 R)
• M15: 8,881,925 km (0.112 R)
• M16: 9,356,449 km (0.037 R)
• M17: 9,931,503 km (0.078 R)
• M18: 10,573,428 km (0.099 R)
• M19: 11,197,251 km (0.105 R)
• M20: 13,835,709 km (0.12 R)
• M21: 16,155,224 km (0.104 R)
• M22: 17,224,400 km (0.102 R)
• M23: 18,403,380 km (0.12 R)
• M24: 19,569,047 km (0.069 R)
• M25: 20,102,663 km (0.063 R)
• M26: 21,199,065 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 12

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.47 AU - 4.57 AU

Year: 5375 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,421,167 km

• M1: 149,299 km (0.097 R)
• M2: 643,420 km (0.097 R)
• M3: 1,619,995 km (0.042 R)
• M4: 2,144,186 km (0.111 R)
• M5: 2,921,646 km (0.116 R)
• M6: 4,102,273 km (0.118 R)
• M7: 7,728,376 km (0.056 R)
• M8: 8,834,203 km (0.097 R)
• M9: 11,041,220 km (0.114 R)
• M10: 12,152,733 km (0.097 R)
• M11: 12,539,443 km (0.088 R)
• M12: 13,801,152 km (0.097 R)
• M13: 16,108,549 km (0.12 R)
• M14: 21,615,845 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 15

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.37 AU - 5.15 AU

Year: 5863 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,421,167 km

• M1: 191,186 km (0.097 R)
• M2: 707,748 km (0.104 R)
• M3: 1,586,336 km (0.112 R)
• M4: 2,057,270 km (0.046 R)
• M5: 2,886,491 km (0.115 R)
• M6: 3,401,856 km (0.076 R)
• M7: 4,227,636 km (0.064 R)
• M8: 4,953,485 km (0.082 R)
• M9: 5,422,025 km (0.055 R)
• M10: 6,517,530 km (0.109 R)
• M11: 7,489,169 km (0.12 R)
• M12: 8,029,815 km (0.114 R)
• M13: 11,842,766 km (0.052 R)
• M14: 12,312,354 km (0.056 R)
• M15: 13,178,226 km (0.102 R)
• M16: 14,317,264 km (0.116 R)
• M17: 15,213,804 km (0.084 R)
• M18: 16,147,594 km (0.045 R)
• M19: 18,129,616 km (0.062 R)
• M20: 18,966,168 km (0.092 R)
• M21: 21,170,492 km (0.038 R)
• M22: 24,201,794 km (0.092 R)
• M23: 25,216,516 km (0.114 R)
• M24: 25,908,556 km (0.108 R)
• M25: 28,710,524 km (0.102 R)
• M26: 32,515,546 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 15,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit