🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 12.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.65 AU - 1.03 AU

Year: 541 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,008,253 km

• M1: 152,889 km (0.061 R)
• M2: 662,868 km (0.096 R)
• M3: 1,077,105 km (0.096 R)
• M4: 1,540,110 km (0.096 R)
• M5: 1,946,567 km (0.097 R)
• M6: 2,806,157 km (0.11 R)
• M7: 3,191,371 km (0.078 R)
• M8: 3,650,936 km (0.116 R)
• M9: 4,140,420 km (0.026 R)
• M10: 4,735,521 km (0.119 R)
• M11: 5,541,704 km (0.102 R)
• M12: 6,303,755 km (0.042 R)
• M13: 6,809,695 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 13.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.02 AU - 1.08 AU

Year: 756 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,008,253 km

• M1: 172,935 km (0.063 R)
• M2: 958,773 km (0.085 R)
• M3: 1,489,546 km (0.113 R)
• M4: 2,001,021 km (0.027 R)
• M5: 2,516,685 km (0.091 R)
• M6: 3,121,210 km (0.075 R)
• M7: 3,586,609 km (0.105 R)
• M8: 4,694,082 km (0.105 R)
• M9: 5,403,774 km (0.102 R)
• M10: 6,038,817 km (0.109 R)
• M11: 7,130,583 km (0.071 R)
• M12: 7,748,422 km (0.077 R)
• M13: 8,453,476 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 13.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.95 AU - 2.47 AU

Year: 2309 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,008,253 km

• M1: 173,833 km (0.102 R)
• M2: 609,312 km (0.071 R)
• M3: 1,100,442 km (0.12 R)
• M4: 1,731,595 km (0.083 R)
• M5: 2,426,926 km (0.111 R)
• M6: 3,016,940 km (0.051 R)
• M7: 3,739,498 km (0.072 R)
• M8: 4,466,992 km (0.087 R)
• M9: 5,335,707 km (0.084 R)
• M10: 7,021,077 km (0.085 R)
• M11: 7,938,561 km (0.108 R)
• M12: 9,863,436 km (0.117 R)
• M13: 10,738,135 km (0.057 R)
• M14: 12,773,863 km (0.092 R)
• M15: 13,767,043 km (0.054 R)
• M16: 18,317,212 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 4.5

Gravity: 33.65 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.61 AU - 10.27 AU

Year: 22029 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,008,253 km

• M1: 103,971 km (0.03 R)
• M2: 406,607 km (0.071 R)
• M3: 552,016 km (0.1 R)
• M4: 1,053,767 km (0.039 R)
• M5: 2,219,883 km (0.073 R)
• M6: 2,809,298 km (0.101 R)
• M7: 3,556,689 km (0.11 R)
• M8: 4,894,992 km (0.099 R)
• M9: 5,841,946 km (0.083 R)
• M10: 8,038,791 km (0.056 R)
• M11: 8,195,271 km (0.083 R)
• M12: 9,406,116 km (0.068 R)
• M13: 9,697,084 km (0.116 R)
• M14: 12,732,275 km (0.06 R)
• M15: 14,045,295 km (0.06 R)
• M16: 14,502,167 km (0.103 R)
• M17: 17,454,332 km (0.075 R)
• M18: 26,881,391 km (0.11 R)
• M19: 27,941,741 km (0.078 R)
• M20: 36,583,112 km (0.082 R)
• M21: 46,343,476 km (0.045 R)
• M22: 59,267,086 km (0.041 R)
• M23: 64,125,875 km (0.101 R)
• M24: 72,802,253 km (0.095 R)
• M25: 79,799,992 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 15,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit