🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 14.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.76 AU - 1 AU

Year: 570 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,252,568 km

• M1: 185,352 km (0.096 R)
• M2: 759,957 km (0.071 R)
• M3: 1,956,441 km (0.115 R)
• M4: 2,785,961 km (0.119 R)
• M5: 3,444,341 km (0.101 R)
• M6: 4,344,921 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.3

Radius: 8.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.93 AU - 1.11 AU

Year: 711 Days

Day: 13.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,252,568 km

• M1: 110,702 km (0.116 R)
• M2: 394,639 km (0.071 R)
• M3: 947,403 km (0.067 R)
• M4: 1,239,718 km (0.069 R)
• M5: 1,679,834 km (0.119 R)
• M6: 2,250,999 km (0.113 R)
• M7: 3,228,920 km (0.049 R)
• M8: 3,834,792 km (0.101 R)
• M9: 4,774,715 km (0.069 R)
• M10: 5,096,949 km (0.109 R)
• M11: 5,653,752 km (0.052 R)
• M12: 7,479,594 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 14.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.01 AU - 1.13 AU

Year: 764 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,252,568 km

• M1: 182,659 km (0.103 R)
• M2: 1,095,206 km (0.099 R)
• M3: 1,565,691 km (0.108 R)
• M4: 2,188,467 km (0.094 R)
• M5: 3,009,012 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 8.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.45 AU - 3.61 AU

Year: 3641 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,252,568 km

• M1: 105,466 km (0.101 R)
• M2: 526,734 km (0.084 R)
• M3: 820,993 km (0.112 R)
• M4: 1,102,985 km (0.063 R)
• M5: 1,496,876 km (0.103 R)
• M6: 1,959,882 km (0.095 R)
• M7: 2,319,665 km (0.076 R)
• M8: 2,708,918 km (0.12 R)
• M9: 3,017,688 km (0.11 R)
• M10: 3,653,928 km (0.113 R)
• M11: 4,782,644 km (0.063 R)
• M12: 6,005,457 km (0.097 R)
• M13: 6,379,302 km (0.091 R)
• M14: 9,513,826 km (0.115 R)
• M15: 10,513,738 km (0.104 R)
• M16: 12,680,813 km (0.053 R)
• M17: 13,048,375 km (0.066 R)
• M18: 13,847,377 km (0.042 R)
• M19: 15,038,625 km (0.058 R)
• M20: 15,543,069 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.9

Radius: 3.7

Gravity: 36.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.94 AU - 6.18 AU

Year: 10297 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,252,568 km

• M1: 47,273 km (0.064 R)
• M2: 177,722 km (0.025 R)
• M3: 496,665 km (0.11 R)
• M4: 803,490 km (0.089 R)
• M5: 1,014,274 km (0.044 R)
• M6: 1,424,621 km (0.106 R)
• M7: 2,723,130 km (0.116 R)
• M8: 5,395,546 km (0.066 R)
• M9: 5,760,116 km (0.112 R)
• M10: 6,283,559 km (0.102 R)
• M11: 7,068,649 km (0.083 R)
• M12: 8,651,694 km (0.103 R)
• M13: 9,764,702 km (0.111 R)
• M14: 10,711,058 km (0.075 R)
• M15: 12,047,266 km (0.056 R)
• M16: 16,100,471 km (0.089 R)
• M17: 17,630,558 km (0.065 R)
• M18: 18,430,906 km (0.045 R)
• M19: 20,103,560 km (0.053 R)
• M20: 21,792,071 km (0.088 R)
• M21: 22,883,388 km (0.11 R)
• M22: 24,275,845 km (0.108 R)
• M23: 24,902,510 km (0.049 R)
• M24: 25,265,285 km (0.038 R)
• M25: 29,492,472 km (0.076 R)
• M26: 33,173,627 km (0.061 R)
• M27: 33,723,399 km (0.099 R)
• M28: 37,981,104 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.2

Radius: 5.9

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.84 AU - 11.78 AU

Year: 22851 Days

Day: 24.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,252,568 km

• M1: 355,295 km (0.059 R)
• M2: 1,878,949 km (0.095 R)
• M3: 2,328,341 km (0.06 R)
• M4: 3,704,342 km (0.082 R)
• M5: 3,951,179 km (0.091 R)
• M6: 6,647,830 km (0.029 R)
• M7: 7,783,428 km (0.096 R)
• M8: 8,240,748 km (0.037 R)
• M9: 10,554,130 km (0.109 R)
• M10: 11,241,382 km (0.117 R)
• M11: 11,958,255 km (0.06 R)
• M12: 16,412,831 km (0.088 R)
• M13: 28,166,137 km (0.115 R)
• M14: 44,523,169 km (0.06 R)
• M15: 47,806,393 km (0.082 R)
• M16: 51,071,516 km (0.054 R)
• M17: 55,404,469 km (0.12 R)
• M18: 61,157,106 km (0.111 R)
• M19: 61,554,138 km (0.047 R)
• M20: 63,362,328 km (0.06 R)
• M21: 66,663,654 km (0.035 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 11,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit