🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.66 AU - 0.76 AU

Year: 413 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,340,484 km

• M1: 180,565 km (0.114 R)
• M2: 878,140 km (0.113 R)
• M3: 1,672,654 km (0.106 R)
• M4: 2,280,470 km (0.117 R)
• M5: 3,034,294 km (0.101 R)
• M6: 3,755,505 km (0.048 R)
• M7: 4,707,247 km (0.112 R)
• M8: 5,184,763 km (0.078 R)
• M9: 5,711,796 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 14

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.05 AU - 1.41 AU

Year: 942 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,340,484 km

• M1: 174,132 km (0.044 R)
• M2: 650,751 km (0.107 R)
• M3: 1,262,307 km (0.086 R)
• M4: 2,469,113 km (0.076 R)
• M5: 3,518,841 km (0.077 R)
• M6: 4,652,195 km (0.105 R)
• M7: 5,912,407 km (0.119 R)
• M8: 6,600,258 km (0.11 R)
• M9: 7,127,291 km (0.106 R)
• M10: 7,632,932 km (0.092 R)
• M11: 8,396,928 km (0.104 R)
• M12: 9,239,464 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 12.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.55 AU - 1.57 AU

Year: 1345 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,340,484 km

• M1: 154,235 km (0.091 R)
• M2: 598,691 km (0.111 R)
• M3: 1,163,572 km (0.072 R)
• M4: 1,758,373 km (0.079 R)
• M5: 3,022,924 km (0.091 R)
• M6: 4,633,196 km (0.099 R)
• M7: 6,060,808 km (0.101 R)
• M8: 6,755,541 km (0.074 R)
• M9: 7,620,516 km (0.097 R)
• M10: 8,609,208 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 8.8

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.89 AU - 4.03 AU

Year: 4442 Days

Day: 11.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,340,484 km

• M1: 131,945 km (0.055 R)
• M2: 495,468 km (0.099 R)
• M3: 1,286,242 km (0.065 R)
• M4: 1,950,756 km (0.071 R)
• M5: 3,475,757 km (0.117 R)
• M6: 3,901,363 km (0.111 R)
• M7: 4,960,965 km (0.089 R)
• M8: 5,445,662 km (0.068 R)
• M9: 9,203,111 km (0.109 R)
• M10: 10,273,484 km (0.113 R)
• M11: 11,333,235 km (0.059 R)
• M12: 11,655,619 km (0.034 R)
• M13: 13,057,201 km (0.1 R)
• M14: 13,617,146 km (0.094 R)
• M15: 15,903,301 km (0.056 R)
• M16: 17,932,446 km (0.076 R)
• M17: 18,244,657 km (0.045 R)
• M18: 19,662,247 km (0.109 R)
• M19: 21,782,348 km (0.067 R)
• M20: 25,673,388 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 12.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.65 AU - 4.41 AU

Year: 5584 Days

Day: 13.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,340,484 km

• M1: 153,039 km (0.04 R)
• M2: 544,686 km (0.087 R)
• M3: 1,298,809 km (0.102 R)
• M4: 2,196,246 km (0.07 R)
• M5: 3,450,624 km (0.071 R)
• M6: 4,490,330 km (0.087 R)
• M7: 6,987,567 km (0.065 R)
• M8: 7,959,654 km (0.103 R)
• M9: 11,374,375 km (0.107 R)
• M10: 12,766,084 km (0.109 R)
• M11: 14,582,352 km (0.109 R)
• M12: 16,279,539 km (0.116 R)
• M13: 17,501,754 km (0.078 R)
• M14: 18,411,459 km (0.07 R)
• M15: 21,126,959 km (0.087 R)
• M16: 21,604,176 km (0.083 R)
• M17: 22,368,472 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.4

Radius: 5.1

Gravity: 23.93 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.02 AU - 9.94 AU

Year: 15560 Days

Day: 16.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,340,484 km

• M1: 69,413 km (0.098 R)
• M2: 470,635 km (0.097 R)
• M3: 990,488 km (0.073 R)
• M4: 1,678,488 km (0.055 R)
• M5: 3,589,751 km (0.12 R)
• M6: 6,324,998 km (0.074 R)
• M7: 6,570,638 km (0.108 R)
• M8: 12,089,154 km (0.087 R)
• M9: 14,977,739 km (0.094 R)
• M10: 16,465,639 km (0.082 R)
• M11: 19,131,473 km (0.114 R)
• M12: 20,080,522 km (0.045 R)
• M13: 20,256,300 km (0.08 R)
• M14: 24,190,873 km (0.078 R)
• M15: 31,949,318 km (0.112 R)
• M16: 35,287,894 km (0.044 R)
• M17: 39,261,961 km (0.027 R)
• M18: 40,091,182 km (0.04 R)
• M19: 42,358,936 km (0.094 R)
• M20: 47,771,387 km (0.103 R)
• M21: 50,968,743 km (0.111 R)
• M22: 60,307,838 km (0.08 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 12,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit