🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 12.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,217,116 km

• M1: 150,495 km (0.066 R)
• M2: 540,348 km (0.119 R)
• M3: 1,327,382 km (0.093 R)
• M4: 1,769,892 km (0.087 R)
• M5: 2,202,829 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 14.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,217,116 km

• M1: 177,872 km (0.06 R)
• M2: 715,377 km (0.053 R)
• M3: 1,205,460 km (0.097 R)
• M4: 1,799,812 km (0.072 R)
• M5: 2,371,276 km (0.07 R)
• M6: 2,827,549 km (0.117 R)
• M7: 3,751,316 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 8.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.89 AU - 1.03 AU

Year: 638 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,217,116 km

• M1: 100,829 km (0.07 R)
• M2: 460,612 km (0.11 R)
• M3: 952,490 km (0.102 R)
• M4: 1,887,925 km (0.058 R)
• M5: 2,849,391 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 12.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.32 AU - 2.14 AU

Year: 1543 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,217,116 km

• M1: 161,715 km (0.068 R)
• M2: 574,755 km (0.115 R)
• M3: 1,034,320 km (0.104 R)
• M4: 1,562,999 km (0.066 R)
• M5: 2,026,303 km (0.099 R)
• M6: 2,501,276 km (0.116 R)
• M7: 2,972,958 km (0.092 R)
• M8: 3,695,067 km (0.092 R)
• M9: 4,976,373 km (0.087 R)
• M10: 7,034,840 km (0.092 R)
• M11: 7,733,013 km (0.041 R)
• M12: 8,397,826 km (0.107 R)
• M13: 9,100,487 km (0.098 R)
• M14: 9,725,358 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 13.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.37 AU - 5.57 AU

Year: 6410 Days

Day: 9.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,217,116 km

• M1: 176,226 km (0.086 R)
• M2: 714,779 km (0.067 R)
• M3: 1,163,572 km (0.108 R)
• M4: 1,941,182 km (0.086 R)
• M5: 2,431,414 km (0.087 R)
• M6: 2,923,292 km (0.11 R)
• M7: 3,691,627 km (0.077 R)
• M8: 4,163,010 km (0.029 R)
• M9: 5,019,308 km (0.032 R)
• M10: 5,728,252 km (0.056 R)
• M11: 8,429,391 km (0.104 R)
• M12: 9,342,686 km (0.097 R)
• M13: 10,760,874 km (0.037 R)
• M14: 13,494,476 km (0.062 R)
• M15: 14,991,053 km (0.095 R)
• M16: 15,492,655 km (0.095 R)
• M17: 17,268,681 km (0.119 R)
• M18: 18,597,558 km (0.066 R)
• M19: 19,545,411 km (0.11 R)
• M20: 21,855,501 km (0.099 R)
• M21: 23,493,298 km (0.053 R)
• M22: 25,299,693 km (0.1 R)
• M23: 28,418,060 km (0.083 R)
• M24: 29,090,503 km (0.108 R)
• M25: 30,069,471 km (0.026 R)
• M26: 31,784,162 km (0.051 R)
• M27: 33,244,536 km (0.078 R)
• M28: 36,636,818 km (0.089 R)
• M29: 40,253,496 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 10

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.51 AU - 6.25 AU

Year: 8464 Days

Day: 10.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,217,116 km

• M1: 125,213 km (0.103 R)
• M2: 445,951 km (0.078 R)
• M3: 912,397 km (0.071 R)
• M4: 1,764,507 km (0.097 R)
• M5: 2,366,339 km (0.067 R)
• M6: 2,774,143 km (0.106 R)
• M7: 4,079,833 km (0.091 R)
• M8: 4,897,685 km (0.054 R)
• M9: 5,284,545 km (0.097 R)
• M10: 6,187,667 km (0.112 R)
• M11: 8,422,959 km (0.094 R)
• M12: 9,606,726 km (0.12 R)
• M13: 12,247,727 km (0.094 R)
• M14: 13,705,559 km (0.061 R)
• M15: 17,920,628 km (0.083 R)
• M16: 18,342,195 km (0.12 R)
• M17: 27,569,990 km (0.083 R)
• M18: 31,563,954 km (0.117 R)
• M19: 37,163,552 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.6

Radius: 3.2

Gravity: 39.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.01 AU - 9.47 AU

Year: 17525 Days

Day: 17.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,217,116 km

• M1: 39,793 km (0.118 R)
• M2: 278,102 km (0.04 R)
• M3: 711,338 km (0.073 R)
• M4: 1,110,315 km (0.088 R)
• M5: 2,731,508 km (0.052 R)
• M6: 2,915,513 km (0.038 R)
• M7: 4,350,007 km (0.092 R)
• M8: 4,861,632 km (0.099 R)
• M9: 5,235,925 km (0.08 R)
• M10: 5,556,065 km (0.108 R)
• M11: 8,948,496 km (0.111 R)
• M12: 10,093,368 km (0.043 R)
• M13: 11,273,845 km (0.088 R)
• M14: 11,627,345 km (0.07 R)
• M15: 17,225,896 km (0.077 R)
• M16: 25,983,654 km (0.096 R)
• M17: 39,281,858 km (0.113 R)
• M18: 41,052,947 km (0.113 R)
• M19: 42,028,325 km (0.103 R)
• M20: 42,876,545 km (0.062 R)
• M21: 47,137,691 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 18,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit