🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 12.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.6 AU - 0.96 AU

Year: 445 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,674,125 km

• M1: 156,928 km (0.079 R)
• M2: 604,375 km (0.099 R)
• M3: 1,026,092 km (0.111 R)
• M4: 1,423,125 km (0.09 R)
• M5: 1,964,818 km (0.093 R)
• M6: 2,406,581 km (0.04 R)
• M7: 2,894,270 km (0.111 R)
• M8: 3,342,914 km (0.084 R)
• M9: 3,762,686 km (0.113 R)
• M10: 5,350,517 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 8.4

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.83 AU - 0.85 AU

Year: 497 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,674,125 km

• M1: 104,868 km (0.057 R)
• M2: 573,259 km (0.077 R)
• M3: 886,667 km (0.112 R)
• M4: 1,263,803 km (0.061 R)
• M5: 1,582,745 km (0.116 R)
• M6: 1,895,106 km (0.067 R)
• M7: 2,366,190 km (0.113 R)
• M8: 2,755,294 km (0.098 R)
• M9: 3,235,802 km (0.081 R)
• M10: 3,967,036 km (0.08 R)
• M11: 5,051,621 km (0.105 R)
• M12: 5,501,162 km (0.065 R)
• M13: 5,772,383 km (0.032 R)
• M14: 6,742,077 km (0.077 R)
• M15: 7,116,670 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 11.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.55 AU - 3.93 AU

Year: 4670 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,674,125 km

• M1: 144,362 km (0.049 R)
• M2: 668,403 km (0.1 R)
• M3: 1,168,060 km (0.07 R)
• M4: 1,571,675 km (0.113 R)
• M5: 2,560,667 km (0.11 R)
• M6: 3,501,787 km (0.116 R)
• M7: 4,073,999 km (0.105 R)
• M8: 4,474,024 km (0.111 R)
• M9: 6,701,985 km (0.118 R)
• M10: 8,091,450 km (0.097 R)
• M11: 9,357,496 km (0.059 R)
• M12: 9,859,846 km (0.079 R)
• M13: 10,876,812 km (0.117 R)
• M14: 13,748,643 km (0.103 R)
• M15: 15,868,594 km (0.106 R)
• M16: 16,361,669 km (0.1 R)
• M17: 19,851,338 km (0.083 R)
• M18: 22,964,620 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 14

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.47 AU - 6.13 AU

Year: 7878 Days

Day: 5.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,674,125 km

• M1: 174,132 km (0.096 R)
• M2: 895,493 km (0.048 R)
• M3: 1,540,858 km (0.081 R)
• M4: 2,011,942 km (0.095 R)
• M5: 2,524,614 km (0.116 R)
• M6: 3,390,785 km (0.104 R)
• M7: 4,874,198 km (0.04 R)
• M8: 7,091,837 km (0.072 R)
• M9: 8,211,726 km (0.119 R)
• M10: 10,254,186 km (0.108 R)
• M11: 11,107,642 km (0.113 R)
• M12: 12,117,128 km (0.078 R)
• M13: 13,596,502 km (0.078 R)
• M14: 14,196,539 km (0.12 R)
• M15: 16,775,307 km (0.119 R)
• M16: 20,498,050 km (0.074 R)
• M17: 23,436,152 km (0.065 R)
• M18: 23,951,816 km (0.117 R)
• M19: 27,395,559 km (0.105 R)
• M20: 36,154,215 km (0.085 R)
• M21: 39,203,169 km (0.103 R)
• M22: 41,662,259 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 16,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit