🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.8

Radius: 8.7

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.63 AU - 0.77 AU

Year: 404 Days

Day: 5.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,055,274 km

• M1: 108,758 km (0.075 R)
• M2: 448,943 km (0.066 R)
• M3: 726,597 km (0.056 R)
• M4: 1,119,291 km (0.116 R)
• M5: 1,446,462 km (0.102 R)
• M6: 1,830,031 km (0.099 R)
• M7: 2,315,625 km (0.11 R)
• M8: 2,734,350 km (0.045 R)
• M9: 3,810,108 km (0.055 R)
• M10: 4,368,407 km (0.051 R)
• M11: 4,950,642 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 13.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.62 AU - 0.86 AU

Year: 439 Days

Day: 13.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,055,274 km

• M1: 165,455 km (0.068 R)
• M2: 592,707 km (0.085 R)
• M3: 1,291,927 km (0.103 R)
• M4: 1,946,717 km (0.061 R)
• M5: 2,461,932 km (0.072 R)
• M6: 3,269,461 km (0.1 R)
• M7: 4,017,152 km (0.106 R)
• M8: 4,540,595 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 8.8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.8 AU - 1 AU

Year: 589 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,055,274 km

• M1: 110,104 km (0.099 R)
• M2: 481,855 km (0.034 R)
• M3: 797,656 km (0.05 R)
• M4: 1,090,718 km (0.093 R)
• M5: 1,790,836 km (0.097 R)
• M6: 2,677,652 km (0.07 R)
• M7: 3,195,111 km (0.101 R)
• M8: 3,567,460 km (0.105 R)
• M9: 4,038,395 km (0.104 R)
• M10: 5,039,204 km (0.061 R)
• M11: 5,321,944 km (0.059 R)
• M12: 6,178,242 km (0.094 R)
• M13: 6,718,440 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 10.6

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.15 AU - 3.03 AU

Year: 2877 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,055,274 km

• M1: 131,945 km (0.087 R)
• M2: 502,350 km (0.073 R)
• M3: 900,878 km (0.096 R)
• M4: 1,442,423 km (0.094 R)
• M5: 1,942,229 km (0.088 R)
• M6: 3,955,816 km (0.03 R)
• M7: 4,520,848 km (0.11 R)
• M8: 5,365,926 km (0.103 R)
• M9: 9,557,210 km (0.073 R)
• M10: 10,535,580 km (0.03 R)
• M11: 12,104,263 km (0.089 R)
• M12: 12,462,999 km (0.081 R)
• M13: 14,018,368 km (0.119 R)
• M14: 15,021,870 km (0.083 R)
• M15: 16,670,888 km (0.119 R)
• M16: 17,624,873 km (0.115 R)
• M17: 18,319,905 km (0.104 R)
• M18: 19,641,452 km (0.099 R)
• M19: 20,578,234 km (0.105 R)
• M20: 20,961,205 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.8

Radius: 4.7

Gravity: 29.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.09 AU - 7.29 AU

Year: 13308 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,055,274 km

• M1: 58,642 km (0.104 R)
• M2: 251,474 km (0.108 R)
• M3: 1,778,569 km (0.11 R)
• M4: 2,573,831 km (0.08 R)
• M5: 2,748,711 km (0.066 R)
• M6: 3,663,652 km (0.096 R)
• M7: 4,295,104 km (0.059 R)
• M8: 10,154,853 km (0.048 R)
• M9: 21,940,622 km (0.082 R)
• M10: 24,473,912 km (0.116 R)
• M11: 26,780,263 km (0.114 R)
• M12: 27,510,001 km (0.092 R)
• M13: 31,243,515 km (0.042 R)
• M14: 37,069,305 km (0.105 R)
• M15: 37,844,821 km (0.115 R)
• M16: 38,763,202 km (0.114 R)
• M17: 54,708,390 km (0.06 R)
• M18: 54,874,893 km (0.049 R)
• M19: 55,041,844 km (0.101 R)
• M20: 55,544,792 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.1

Radius: 3

Gravity: 73.57 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.83 AU - 10.99 AU

Year: 18358 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,055,274 km

• M1: 42,635 km (0.103 R)
• M2: 398,678 km (0.096 R)
• M3: 494,271 km (0.107 R)
• M4: 704,456 km (0.118 R)
• M5: 1,094,608 km (0.1 R)
• M6: 2,430,517 km (0.088 R)
• M7: 2,804,062 km (0.12 R)
• M8: 3,519,140 km (0.066 R)
• M9: 3,663,801 km (0.064 R)
• M10: 4,582,482 km (0.117 R)
• M11: 4,967,846 km (0.103 R)
• M12: 5,842,844 km (0.088 R)
• M13: 6,595,471 km (0.069 R)
• M14: 6,904,989 km (0.116 R)
• M15: 7,270,307 km (0.109 R)
• M16: 8,189,586 km (0.099 R)
• M17: 10,610,229 km (0.095 R)
• M18: 11,096,272 km (0.113 R)
• M19: 11,982,341 km (0.088 R)
• M20: 14,328,185 km (0.084 R)
• M21: 14,622,893 km (0.079 R)
• M22: 15,920,355 km (0.066 R)
• M23: 18,567,041 km (0.106 R)
• M24: 21,878,689 km (0.115 R)
• M25: 28,236,149 km (0.101 R)
• M26: 32,967,332 km (0.092 R)
• M27: 35,318,561 km (0.077 R)
• M28: 36,809,154 km (0.103 R)
• M29: 40,351,632 km (0.083 R)
• M30: 49,430,727 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 15,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit