🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.1

Radius: 13

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.74 AU - 0.84 AU

Year: 453 Days

Day: 5.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,899,320 km

• M1: 161,715 km (0.068 R)
• M2: 695,181 km (0.094 R)
• M3: 1,134,401 km (0.111 R)
• M4: 1,629,570 km (0.086 R)
• M5: 2,605,097 km (0.059 R)
• M6: 3,286,516 km (0.075 R)
• M7: 3,990,972 km (0.116 R)
• M8: 4,572,758 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 9.9

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.8 AU - 3.44 AU

Year: 3558 Days

Day: 11.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 20,899,320 km

• M1: 123,119 km (0.105 R)
• M2: 508,334 km (0.1 R)
• M3: 1,202,617 km (0.119 R)
• M4: 1,578,108 km (0.05 R)
• M5: 1,924,128 km (0.086 R)
• M6: 2,397,455 km (0.058 R)
• M7: 2,823,809 km (0.058 R)
• M8: 3,477,702 km (0.104 R)
• M9: 3,873,238 km (0.083 R)
• M10: 4,415,680 km (0.042 R)
• M11: 4,730,285 km (0.114 R)
• M12: 5,514,028 km (0.1 R)
• M13: 5,966,262 km (0.06 R)
• M14: 6,848,890 km (0.096 R)
• M15: 7,506,821 km (0.078 R)
• M16: 8,170,138 km (0.037 R)
• M17: 8,986,643 km (0.062 R)
• M18: 9,534,022 km (0.038 R)
• M19: 10,912,267 km (0.12 R)
• M20: 13,700,023 km (0.089 R)
• M21: 16,009,067 km (0.109 R)
• M22: 16,755,410 km (0.081 R)
• M23: 17,948,603 km (0.1 R)
• M24: 19,070,288 km (0.095 R)
• M25: 22,786,748 km (0.048 R)
• M26: 24,399,712 km (0.111 R)
• M27: 26,560,952 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 11

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3 AU - 4.02 AU

Year: 4246 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,899,320 km

• M1: 162,613 km (0.116 R)
• M2: 869,912 km (0.092 R)
• M3: 1,407,716 km (0.092 R)
• M4: 1,779,018 km (0.033 R)
• M5: 2,202,081 km (0.039 R)
• M6: 2,877,066 km (0.093 R)
• M7: 3,767,473 km (0.05 R)
• M8: 4,402,965 km (0.082 R)
• M9: 5,185,661 km (0.114 R)
• M10: 5,583,441 km (0.108 R)
• M11: 6,145,481 km (0.059 R)
• M12: 7,252,206 km (0.036 R)
• M13: 8,272,164 km (0.085 R)
• M14: 11,020,875 km (0.099 R)
• M15: 12,983,001 km (0.092 R)
• M16: 17,118,634 km (0.058 R)
• M17: 17,587,174 km (0.092 R)
• M18: 18,366,579 km (0.118 R)
• M19: 21,989,840 km (0.058 R)
• M20: 23,391,871 km (0.114 R)
• M21: 24,852,395 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.5

Radius: 3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.3 AU - 11.28 AU

Year: 21313 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,899,320 km

• M1: 39,943 km (0.07 R)
• M2: 395,537 km (0.092 R)
• M3: 500,255 km (0.113 R)
• M4: 1,060,200 km (0.053 R)
• M5: 1,661,584 km (0.069 R)
• M6: 2,067,891 km (0.064 R)
• M7: 2,273,140 km (0.081 R)
• M8: 2,853,729 km (0.098 R)
• M9: 5,033,370 km (0.097 R)
• M10: 6,801,617 km (0.106 R)
• M11: 13,917,539 km (0.065 R)
• M12: 14,794,033 km (0.094 R)
• M13: 16,495,110 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 11,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit