🌌 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: 484.8

Radius: 11.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.67 AU - 0.89 AU

Year: 438 Days

Day: 10.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,659,558 km

• M1: 141,819 km (0.072 R)
• M2: 654,491 km (0.095 R)
• M3: 1,213,538 km (0.117 R)
• M4: 1,640,490 km (0.103 R)
• M5: 2,014,186 km (0.091 R)
• M6: 2,688,723 km (0.088 R)
• M7: 3,325,561 km (0.108 R)
• M8: 3,686,241 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 12.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.66 AU - 1.08 AU

Year: 516 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,659,558 km

• M1: 150,495 km (0.089 R)
• M2: 538,702 km (0.083 R)
• M3: 1,268,590 km (0.104 R)
• M4: 1,688,062 km (0.084 R)
• M5: 2,100,504 km (0.1 R)
• M6: 3,101,613 km (0.053 R)
• M7: 3,618,623 km (0.076 R)
• M8: 4,273,712 km (0.111 R)
• M9: 4,886,315 km (0.108 R)
• M10: 5,268,837 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 8.3

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.81 AU - 2.91 AU

Year: 2305 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 96.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,659,558 km

• M1: 103,223 km (0.114 R)
• M2: 424,260 km (0.106 R)
• M3: 789,129 km (0.048 R)
• M4: 1,146,368 km (0.073 R)
• M5: 2,118,755 km (0.082 R)
• M6: 3,006,468 km (0.11 R)
• M7: 3,525,573 km (0.105 R)
• M8: 4,939,871 km (0.094 R)
• M9: 5,398,688 km (0.104 R)
• M10: 6,643,641 km (0.095 R)
• M11: 8,100,874 km (0.083 R)
• M12: 9,206,253 km (0.074 R)
• M13: 10,744,418 km (0.104 R)
• M14: 11,554,640 km (0.072 R)
• M15: 12,117,128 km (0.112 R)
• M16: 14,139,392 km (0.047 R)
• M17: 14,689,763 km (0.119 R)
• M18: 15,784,520 km (0.117 R)
• M19: 16,376,778 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 12.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.09 AU - 3.43 AU

Year: 2915 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,659,558 km

• M1: 156,031 km (0.094 R)
• M2: 564,283 km (0.036 R)
• M3: 956,678 km (0.071 R)
• M4: 1,419,385 km (0.111 R)
• M5: 2,375,016 km (0.039 R)
• M6: 2,847,446 km (0.09 R)
• M7: 3,263,478 km (0.107 R)
• M8: 4,403,264 km (0.1 R)
• M9: 5,378,642 km (0.098 R)
• M10: 8,284,880 km (0.046 R)
• M11: 8,838,242 km (0.099 R)
• M12: 10,201,677 km (0.108 R)
• M13: 10,761,772 km (0.109 R)
• M14: 11,342,361 km (0.089 R)
• M15: 13,786,341 km (0.063 R)
• M16: 14,425,274 km (0.085 R)
• M17: 15,664,094 km (0.101 R)
• M18: 17,867,072 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 14.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.74 AU - 3.08 AU

Year: 3156 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,659,558 km

• M1: 178,620 km (0.085 R)
• M2: 737,518 km (0.044 R)
• M3: 1,813,725 km (0.09 R)
• M4: 2,637,261 km (0.092 R)
• M5: 3,094,731 km (0.076 R)
• M6: 3,568,358 km (0.098 R)
• M7: 4,488,983 km (0.116 R)
• M8: 5,243,106 km (0.055 R)
• M9: 5,740,220 km (0.089 R)
• M10: 6,573,480 km (0.056 R)
• M11: 8,183,752 km (0.085 R)
• M12: 10,081,401 km (0.067 R)
• M13: 11,500,037 km (0.063 R)
• M14: 12,257,451 km (0.12 R)
• M15: 13,686,111 km (0.107 R)
• M16: 14,585,493 km (0.101 R)
• M17: 16,926,101 km (0.109 R)
• M18: 17,630,558 km (0.066 R)
• M19: 19,566,205 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.3

Radius: 3.9

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.03 AU - 7.69 AU

Year: 11424 Days

Day: 17.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,659,558 km

• M1: 48,470 km (0.045 R)
• M2: 220,058 km (0.088 R)
• M3: 458,817 km (0.104 R)
• M4: 1,334,413 km (0.107 R)
• M5: 2,120,699 km (0.083 R)
• M6: 3,492,213 km (0.051 R)
• M7: 4,852,805 km (0.054 R)
• M8: 7,857,329 km (0.049 R)
• M9: 8,060,333 km (0.1 R)
• M10: 12,724,645 km (0.096 R)
• M11: 14,165,871 km (0.065 R)
• M12: 24,633,085 km (0.055 R)
• M13: 34,657,638 km (0.098 R)
• M14: 35,093,865 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 19,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit