🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 8.5

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.5 AU - 0.72 AU

Year: 323 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,024,380 km

• M1: 105,766 km (0.117 R)
• M2: 392,694 km (0.072 R)
• M3: 748,737 km (0.108 R)
• M4: 1,013,376 km (0.111 R)
• M5: 1,284,747 km (0.068 R)
• M6: 1,645,577 km (0.118 R)
• M7: 2,195,798 km (0.096 R)
• M8: 2,537,180 km (0.084 R)
• M9: 3,439,853 km (0.11 R)
• M10: 3,719,751 km (0.1 R)
• M11: 3,989,775 km (0.092 R)
• M12: 4,312,607 km (0.108 R)
• M13: 4,765,440 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385

Radius: 14.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.86 AU - 0.86 AU

Year: 541 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,024,380 km

• M1: 176,525 km (0.105 R)
• M2: 857,645 km (0.109 R)
• M3: 1,573,470 km (0.106 R)
• M4: 2,317,720 km (0.114 R)
• M5: 2,777,733 km (0.056 R)
• M6: 3,518,991 km (0.113 R)
• M7: 4,935,683 km (0.106 R)
• M8: 5,430,852 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 10.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.2 AU - 1.9 AU

Year: 1309 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,024,380 km

• M1: 126,859 km (0.093 R)
• M2: 491,130 km (0.111 R)
• M3: 820,096 km (0.086 R)
• M4: 1,197,531 km (0.057 R)
• M5: 1,537,866 km (0.099 R)
• M6: 2,231,551 km (0.079 R)
• M7: 2,656,709 km (0.091 R)
• M8: 3,246,423 km (0.114 R)
• M9: 3,969,430 km (0.061 R)
• M10: 4,456,221 km (0.048 R)
• M11: 5,173,394 km (0.075 R)
• M12: 5,529,586 km (0.032 R)
• M13: 6,094,468 km (0.101 R)
• M14: 6,492,248 km (0.081 R)
• M15: 7,001,779 km (0.117 R)
• M16: 7,613,185 km (0.048 R)
• M17: 9,840,698 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 10.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.77 AU - 4.83 AU

Year: 6048 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,024,380 km

• M1: 134,638 km (0.056 R)
• M2: 581,188 km (0.065 R)
• M3: 1,107,772 km (0.068 R)
• M4: 2,756,790 km (0.101 R)
• M5: 3,630,591 km (0.082 R)
• M6: 5,415,593 km (0.092 R)
• M7: 6,811,341 km (0.109 R)
• M8: 9,260,407 km (0.115 R)
• M9: 12,067,013 km (0.072 R)
• M10: 12,652,988 km (0.066 R)
• M11: 16,741,348 km (0.111 R)
• M12: 21,178,421 km (0.118 R)
• M13: 22,097,999 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.2

Radius: 7.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.41 AU - 8.63 AU

Year: 13987 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,024,380 km

• M1: 90,507 km (0.096 R)
• M2: 325,076 km (0.071 R)
• M3: 573,259 km (0.054 R)
• M4: 962,961 km (0.095 R)
• M5: 1,241,962 km (0.091 R)
• M6: 1,519,765 km (0.105 R)
• M7: 2,150,021 km (0.103 R)
• M8: 3,838,382 km (0.104 R)
• M9: 5,375,051 km (0.114 R)
• M10: 5,841,198 km (0.078 R)
• M11: 6,119,450 km (0.119 R)
• M12: 7,322,517 km (0.076 R)
• M13: 8,193,027 km (0.094 R)
• M14: 9,038,554 km (0.056 R)
• M15: 9,506,197 km (0.094 R)
• M16: 13,243,600 km (0.094 R)
• M17: 14,850,132 km (0.036 R)
• M18: 19,121,600 km (0.097 R)
• M19: 20,924,404 km (0.115 R)
• M20: 24,146,443 km (0.071 R)
• M21: 25,596,944 km (0.103 R)
• M22: 26,437,684 km (0.084 R)
• M23: 34,965,510 km (0.032 R)
• M24: 37,173,724 km (0.118 R)
• M25: 37,411,436 km (0.101 R)
• M26: 38,130,702 km (0.079 R)
• M27: 38,615,399 km (0.109 R)
• M28: 39,844,794 km (0.113 R)
• M29: 40,595,028 km (0.05 R)
• M30: 41,866,011 km (0.112 R)
• M31: 43,426,018 km (0.028 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: 316 - 20,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit