🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.63 AU - 2.41 AU

Year: 1043 Days

Day: 38 Hours

Environment

Temp: -67 °C

Axial Tilt: 99.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.64 AU - 2.7 AU

Year: 1162 Days

Day: 31.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 11.1

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.6 AU - 8.72 AU

Year: 7705 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,875,999 km

• M1: 139,575 km (0.114 R)
• M2: 540,946 km (0.09 R)
• M3: 1,193,492 km (0.119 R)
• M4: 1,588,729 km (0.079 R)
• M5: 2,088,386 km (0.108 R)
• M6: 2,950,818 km (0.11 R)
• M7: 4,010,719 km (0.098 R)
• M8: 5,094,256 km (0.09 R)
• M9: 5,495,927 km (0.111 R)
• M10: 5,952,200 km (0.118 R)
• M11: 6,363,295 km (0.089 R)
• M12: 8,118,078 km (0.108 R)
• M13: 9,794,621 km (0.09 R)
• M14: 10,565,649 km (0.118 R)
• M15: 11,272,798 km (0.081 R)
• M16: 12,119,522 km (0.064 R)
• M17: 13,236,868 km (0.095 R)
• M18: 15,228,764 km (0.029 R)
• M19: 16,065,764 km (0.104 R)
• M20: 16,595,939 km (0.115 R)
• M21: 18,616,109 km (0.105 R)
• M22: 19,349,288 km (0.058 R)
• M23: 20,101,615 km (0.119 R)
• M24: 22,640,591 km (0.106 R)
• M25: 32,151,574 km (0.03 R)
• M26: 35,386,628 km (0.101 R)
• M27: 39,069,877 km (0.095 R)
• M28: 39,427,716 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 13.2

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 10.2 AU - 14.76 AU

Year: 16023 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,875,999 km

• M1: 164,109 km (0.102 R)
• M2: 990,787 km (0.106 R)
• M3: 5,781,808 km (0.081 R)
• M4: 7,551,701 km (0.095 R)
• M5: 8,288,919 km (0.099 R)
• M6: 17,031,119 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.3

Radius: 6.1

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 14.14 AU - 16.56 AU

Year: 21857 Days

Day: 15.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 61,875,999 km

• M1: 76,145 km (0.105 R)
• M2: 289,621 km (0.067 R)
• M3: 522,246 km (0.082 R)
• M4: 1,056,610 km (0.042 R)
• M5: 1,844,542 km (0.027 R)
• M6: 2,835,628 km (0.065 R)
• M7: 3,647,346 km (0.037 R)
• M8: 4,604,323 km (0.092 R)
• M9: 5,181,023 km (0.054 R)
• M10: 5,633,557 km (0.071 R)
• M11: 5,978,978 km (0.105 R)
• M12: 6,712,307 km (0.097 R)
• M13: 7,452,667 km (0.101 R)
• M14: 8,083,222 km (0.095 R)
• M15: 9,630,961 km (0.092 R)
• M16: 10,000,019 km (0.112 R)
• M17: 10,571,184 km (0.097 R)
• M18: 11,366,297 km (0.102 R)
• M19: 13,451,392 km (0.101 R)
• M20: 14,785,356 km (0.034 R)
• M21: 17,170,993 km (0.039 R)
• M22: 19,900,107 km (0.076 R)
• M23: 21,109,456 km (0.071 R)
• M24: 21,419,274 km (0.089 R)
• M25: 29,027,223 km (0.104 R)
• M26: 37,952,381 km (0.057 R)
• M27: 38,564,087 km (0.078 R)
• M28: 43,363,187 km (0.093 R)
• M29: 49,266,319 km (0.085 R)
• M30: 49,994,112 km (0.085 R)
• M31: 51,284,992 km (0.06 R)
• M32: 52,977,244 km (0.103 R)
• M33: 53,358,269 km (0.094 R)
• M34: 55,486,748 km (0.115 R)
• M35: 57,470,266 km (0.115 R)
• M36: 58,479,453 km (0.084 R)
• M37: 59,295,360 km (0.108 R)
• M38: 62,634,833 km (0.093 R)
• M39: 71,760,004 km (0.103 R)
• M40: 72,460,571 km (0.12 R)
• M41: 74,350,740 km (0.072 R)
• M42: 76,759,565 km (0.108 R)
• M43: 83,521,987 km (0.053 R)
• M44: 89,048,282 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.6

Radius: 3.7

Gravity: 21.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 12.7 AU - 18.58 AU

Year: 22479 Days

Day: 24.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,875,999 km

• M1: 46,076 km (0.11 R)
• M2: 355,145 km (0.089 R)
• M3: 476,768 km (0.117 R)
• M4: 740,958 km (0.117 R)
• M5: 911,500 km (0.105 R)
• M6: 1,132,755 km (0.102 R)
• M7: 1,682,228 km (0.053 R)
• M8: 3,280,532 km (0.113 R)
• M9: 4,996,270 km (0.03 R)
• M10: 6,182,880 km (0.119 R)
• M11: 6,672,514 km (0.114 R)
• M12: 7,867,950 km (0.12 R)
• M13: 10,730,805 km (0.101 R)
• M14: 11,257,090 km (0.096 R)
• M15: 11,800,430 km (0.085 R)
• M16: 17,341,535 km (0.094 R)
• M17: 18,725,614 km (0.037 R)
• M18: 20,713,022 km (0.056 R)
• M19: 26,655,648 km (0.112 R)
• M20: 28,163,594 km (0.105 R)
• M21: 30,299,702 km (0.1 R)
• M22: 37,218,903 km (0.06 R)
• M23: 38,285,985 km (0.102 R)
• M24: 39,099,647 km (0.097 R)
• M25: 52,224,916 km (0.056 R)
• M26: 54,578,390 km (0.086 R)
• M27: 57,177,503 km (0.039 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 20,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit