🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.4

Radius: 12.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.93 AU - 1.15 AU

Year: 707 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,112,845 km

• M1: 159,172 km (0.083 R)
• M2: 624,422 km (0.094 R)
• M3: 1,119,740 km (0.031 R)
• M4: 1,970,354 km (0.117 R)
• M5: 2,388,180 km (0.118 R)
• M6: 3,518,392 km (0.105 R)
• M7: 5,888,621 km (0.112 R)
• M8: 6,346,540 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 9.8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.39 AU - 3.75 AU

Year: 3587 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,112,845 km

• M1: 122,221 km (0.112 R)
• M2: 482,154 km (0.078 R)
• M3: 986,149 km (0.092 R)
• M4: 2,184,428 km (0.105 R)
• M5: 3,252,407 km (0.064 R)
• M6: 5,552,325 km (0.108 R)
• M7: 9,243,353 km (0.116 R)
• M8: 10,203,472 km (0.098 R)
• M9: 11,614,031 km (0.101 R)
• M10: 14,564,400 km (0.103 R)
• M11: 15,023,067 km (0.119 R)
• M12: 20,853,494 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 9.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.48 AU - 4.7 AU

Year: 5516 Days

Day: 5.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,112,845 km

• M1: 113,246 km (0.12 R)
• M2: 428,747 km (0.081 R)
• M3: 748,588 km (0.101 R)
• M4: 1,163,722 km (0.093 R)
• M5: 1,518,568 km (0.083 R)
• M6: 2,031,389 km (0.103 R)
• M7: 3,423,697 km (0.116 R)
• M8: 3,905,252 km (0.082 R)
• M9: 4,381,722 km (0.098 R)
• M10: 5,743,810 km (0.038 R)
• M11: 6,265,608 km (0.05 R)
• M12: 7,090,041 km (0.118 R)
• M13: 8,325,122 km (0.074 R)
• M14: 13,942,372 km (0.103 R)
• M15: 14,998,533 km (0.106 R)
• M16: 15,692,517 km (0.109 R)
• M17: 16,650,991 km (0.114 R)
• M18: 17,711,640 km (0.067 R)
• M19: 18,096,555 km (0.109 R)
• M20: 18,421,482 km (0.074 R)
• M21: 18,949,562 km (0.105 R)
• M22: 22,332,718 km (0.074 R)
• M23: 25,200,659 km (0.12 R)
• M24: 27,613,373 km (0.086 R)
• M25: 28,919,961 km (0.114 R)
• M26: 29,813,659 km (0.079 R)
• M27: 30,817,760 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.1

Radius: 8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.62 AU - 7.3 AU

Year: 9703 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,112,845 km

• M1: 99,483 km (0.067 R)
• M2: 352,602 km (0.038 R)
• M3: 1,024,745 km (0.114 R)
• M4: 2,676,904 km (0.082 R)
• M5: 4,170,489 km (0.089 R)
• M6: 7,979,401 km (0.105 R)
• M7: 9,764,851 km (0.078 R)
• M8: 10,479,929 km (0.092 R)
• M9: 12,557,395 km (0.104 R)
• M10: 18,922,635 km (0.109 R)
• M11: 19,509,358 km (0.07 R)
• M12: 19,957,254 km (0.052 R)
• M13: 23,037,474 km (0.116 R)
• M14: 25,258,703 km (0.091 R)
• M15: 26,969,355 km (0.06 R)
• M16: 27,339,160 km (0.119 R)
• M17: 32,458,998 km (0.115 R)
• M18: 33,939,269 km (0.038 R)
• M19: 35,463,970 km (0.111 R)
• M20: 36,580,569 km (0.069 R)
• M21: 38,766,643 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.9

Radius: 6.5

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.31 AU - 8.71 AU

Year: 16555 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,112,845 km

• M1: 92,751 km (0.082 R)
• M2: 441,314 km (0.082 R)
• M3: 745,895 km (0.058 R)
• M4: 996,920 km (0.116 R)
• M5: 1,331,421 km (0.111 R)
• M6: 1,673,402 km (0.099 R)
• M7: 1,944,922 km (0.12 R)
• M8: 2,800,472 km (0.102 R)
• M9: 3,714,665 km (0.083 R)
• M10: 4,947,950 km (0.069 R)
• M11: 6,554,780 km (0.109 R)
• M12: 7,016,140 km (0.108 R)
• M13: 7,771,161 km (0.057 R)
• M14: 8,240,000 km (0.063 R)
• M15: 8,579,288 km (0.032 R)
• M16: 9,867,476 km (0.111 R)
• M17: 10,250,147 km (0.091 R)
• M18: 10,642,692 km (0.111 R)
• M19: 11,577,529 km (0.11 R)
• M20: 14,152,407 km (0.08 R)
• M21: 15,942,196 km (0.059 R)
• M22: 16,469,230 km (0.083 R)
• M23: 18,860,103 km (0.058 R)
• M24: 22,488,450 km (0.026 R)
• M25: 29,375,337 km (0.077 R)
• M26: 29,600,033 km (0.099 R)
• M27: 31,439,638 km (0.094 R)
• M28: 32,868,447 km (0.066 R)
• M29: 38,210,139 km (0.085 R)
• M30: 43,662,682 km (0.038 R)
• M31: 44,249,704 km (0.091 R)
• M32: 50,250,972 km (0.101 R)
• M33: 54,539,644 km (0.096 R)
• M34: 56,252,091 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.5

Radius: 8

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.62 AU - 10 AU

Year: 18943 Days

Day: 20.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,112,845 km

• M1: 109,206 km (0.072 R)
• M2: 538,403 km (0.077 R)
• M3: 1,242,111 km (0.081 R)
• M4: 2,131,470 km (0.061 R)
• M5: 2,500,229 km (0.109 R)
• M6: 2,792,394 km (0.06 R)
• M7: 3,527,967 km (0.068 R)
• M8: 4,106,312 km (0.078 R)
• M9: 5,713,442 km (0.119 R)
• M10: 8,622,522 km (0.05 R)
• M11: 9,346,725 km (0.074 R)
• M12: 11,455,756 km (0.109 R)
• M13: 16,667,447 km (0.09 R)
• M14: 17,789,431 km (0.115 R)
• M15: 19,565,606 km (0.062 R)
• M16: 25,286,977 km (0.093 R)
• M17: 38,770,981 km (0.082 R)
• M18: 41,020,335 km (0.041 R)
• M19: 41,595,987 km (0.098 R)
• M20: 54,271,116 km (0.111 R)
• M21: 59,252,126 km (0.084 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: 319 - 13,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit