🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.9

Radius: 13.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 7.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,389,734 km

• M1: 171,738 km (0.046 R)
• M2: 651,050 km (0.063 R)
• M3: 1,378,245 km (0.12 R)
• M4: 1,852,171 km (0.094 R)
• M5: 2,391,472 km (0.099 R)
• M6: 3,364,905 km (0.087 R)
• M7: 4,434,380 km (0.115 R)
• M8: 4,877,040 km (0.116 R)
• M9: 5,444,166 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 12.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.72 AU - 1.04 AU

Year: 560 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,389,734 km

• M1: 160,369 km (0.115 R)
• M2: 567,574 km (0.101 R)
• M3: 1,264,102 km (0.056 R)
• M4: 1,752,988 km (0.119 R)
• M5: 2,178,743 km (0.107 R)
• M6: 3,034,144 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.4

Radius: 13.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.62 AU - 1.88 AU

Year: 1570 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,389,734 km

• M1: 475,721 km (0.062 R)
• M2: 923,168 km (0.091 R)
• M3: 1,412,054 km (0.076 R)
• M4: 2,199,089 km (0.114 R)
• M5: 3,471,419 km (0.059 R)
• M6: 4,134,137 km (0.045 R)
• M7: 4,880,032 km (0.108 R)
• M8: 5,547,388 km (0.098 R)
• M9: 6,517,680 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 12.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.27 AU - 4.93 AU

Year: 6692 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 121.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,389,734 km

• M1: 160,519 km (0.103 R)
• M2: 568,472 km (0.072 R)
• M3: 1,081,144 km (0.114 R)
• M4: 1,603,988 km (0.091 R)
• M5: 3,057,631 km (0.111 R)
• M6: 5,200,620 km (0.117 R)
• M7: 6,290,291 km (0.065 R)
• M8: 7,599,721 km (0.068 R)
• M9: 9,001,005 km (0.098 R)
• M10: 12,566,371 km (0.064 R)
• M11: 13,573,164 km (0.119 R)
• M12: 17,750,984 km (0.104 R)
• M13: 20,416,070 km (0.115 R)
• M14: 25,934,736 km (0.099 R)
• M15: 28,360,465 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 10.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.3 AU - 5.9 AU

Year: 8988 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,389,734 km

• M1: 134,788 km (0.098 R)
• M2: 1,075,758 km (0.1 R)
• M3: 1,428,510 km (0.079 R)
• M4: 2,205,372 km (0.107 R)
• M5: 3,156,665 km (0.112 R)
• M6: 3,871,892 km (0.099 R)
• M7: 6,710,212 km (0.11 R)
• M8: 8,217,261 km (0.107 R)
• M9: 9,567,382 km (0.062 R)
• M10: 10,080,353 km (0.051 R)
• M11: 10,513,589 km (0.103 R)
• M12: 12,536,451 km (0.07 R)
• M13: 16,135,776 km (0.098 R)
• M14: 22,336,757 km (0.047 R)
• M15: 22,991,547 km (0.06 R)
• M16: 23,743,276 km (0.103 R)
• M17: 27,469,909 km (0.088 R)
• M18: 28,602,215 km (0.088 R)
• M19: 29,083,172 km (0.079 R)
• M20: 29,863,924 km (0.119 R)
• M21: 33,978,464 km (0.03 R)
• M22: 35,725,168 km (0.059 R)
• M23: 36,960,248 km (0.101 R)
• M24: 40,112,126 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.1

Radius: 4.5

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.33 AU - 11.13 AU

Year: 23839 Days

Day: 21.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,389,734 km

• M1: 56,847 km (0.059 R)
• M2: 367,562 km (0.094 R)
• M3: 925,412 km (0.069 R)
• M4: 1,313,769 km (0.086 R)
• M5: 1,552,527 km (0.068 R)
• M6: 1,706,164 km (0.115 R)
• M7: 2,098,709 km (0.099 R)
• M8: 2,365,591 km (0.028 R)
• M9: 3,911,386 km (0.116 R)
• M10: 4,197,567 km (0.088 R)
• M11: 5,483,809 km (0.096 R)
• M12: 7,348,547 km (0.096 R)
• M13: 10,277,972 km (0.11 R)
• M14: 12,449,385 km (0.066 R)
• M15: 17,519,855 km (0.12 R)
• M16: 19,013,740 km (0.08 R)
• M17: 24,096,028 km (0.12 R)
• M18: 27,253,590 km (0.06 R)
• M19: 28,824,368 km (0.073 R)
• M20: 31,688,120 km (0.07 R)
• M21: 36,330,740 km (0.1 R)
• M22: 45,328,903 km (0.067 R)
• M23: 46,054,452 km (0.11 R)
• M24: 47,827,187 km (0.107 R)
• M25: 54,064,371 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 12,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit