🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 13.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.64 AU - 0.9 AU

Year: 436 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,507,126 km

• M1: 169,195 km (0.116 R)
• M2: 725,699 km (0.102 R)
• M3: 1,190,949 km (0.084 R)
• M4: 1,723,068 km (0.1 R)
• M5: 2,481,829 km (0.092 R)
• M6: 2,961,739 km (0.109 R)
• M7: 3,454,215 km (0.027 R)
• M8: 4,182,457 km (0.114 R)
• M9: 4,805,682 km (0.074 R)
• M10: 5,439,229 km (0.093 R)
• M11: 6,036,723 km (0.086 R)
• M12: 6,522,766 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 11.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.42 AU - 2 AU

Year: 1444 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,507,126 km

• M1: 139,276 km (0.098 R)
• M2: 655,388 km (0.048 R)
• M3: 1,119,441 km (0.115 R)
• M4: 1,489,546 km (0.091 R)
• M5: 2,283,462 km (0.12 R)
• M6: 3,234,755 km (0.046 R)
• M7: 3,784,377 km (0.104 R)
• M8: 4,600,883 km (0.059 R)
• M9: 4,970,838 km (0.11 R)
• M10: 5,837,758 km (0.083 R)
• M11: 6,295,976 km (0.102 R)
• M12: 6,827,497 km (0.084 R)
• M13: 7,388,788 km (0.066 R)
• M14: 8,091,749 km (0.094 R)
• M15: 9,017,311 km (0.111 R)
• M16: 10,975,397 km (0.113 R)
• M17: 12,035,897 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.8

Radius: 13.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.91 AU - 2.23 AU

Year: 1923 Days

Day: 6.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,507,126 km

• M1: 252,970 km (0.089 R)
• M2: 812,466 km (0.087 R)
• M3: 1,253,181 km (0.099 R)
• M4: 1,886,280 km (0.096 R)
• M5: 2,388,180 km (0.079 R)
• M6: 3,018,436 km (0.093 R)
• M7: 3,992,318 km (0.102 R)
• M8: 4,685,405 km (0.105 R)
• M9: 5,497,273 km (0.115 R)
• M10: 5,926,918 km (0.094 R)
• M11: 7,255,796 km (0.069 R)
• M12: 9,363,480 km (0.108 R)
• M13: 10,159,341 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.9

Radius: 5.2

Gravity: 33.32 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.32 AU - 10.02 AU

Year: 17930 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,507,126 km

• M1: 64,626 km (0.099 R)
• M2: 305,628 km (0.033 R)
• M3: 693,536 km (0.041 R)
• M4: 1,006,943 km (0.062 R)
• M5: 2,650,126 km (0.049 R)
• M6: 2,847,745 km (0.058 R)
• M7: 4,518,604 km (0.063 R)
• M8: 4,765,291 km (0.118 R)
• M9: 6,051,683 km (0.051 R)
• M10: 6,351,626 km (0.073 R)
• M11: 8,364,316 km (0.081 R)
• M12: 9,009,382 km (0.097 R)
• M13: 12,949,192 km (0.057 R)
• M14: 19,893,674 km (0.083 R)
• M15: 20,175,966 km (0.047 R)
• M16: 28,490,765 km (0.111 R)
• M17: 44,505,516 km (0.05 R)
• M18: 61,555,784 km (0.086 R)
• M19: 63,163,213 km (0.053 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: 314 - 11,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit