🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.65 AU

Year: 245 Days

Day: 21.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 9.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.77 AU - 1.11 AU

Year: 579 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 5,148,092 km

• M1: 119,529 km (0.046 R)
• M2: 200,910 km (0.099 R)
• M3: 266,883 km (0.098 R)
• M4: 334,351 km (0.055 R)
• M5: 396,285 km (0.064 R)
• M6: 498,460 km (0.052 R)
• M7: 620,382 km (0.027 R)
• M8: 687,253 km (0.049 R)
• M9: 862,133 km (0.06 R)
• M10: 930,200 km (0.056 R)
• M11: 996,322 km (0.056 R)
• M12: 1,056,011 km (0.115 R)
• M13: 1,133,503 km (0.1 R)
• M14: 1,281,455 km (0.091 R)
• M15: 1,342,491 km (0.075 R)
• M16: 1,404,574 km (0.102 R)
• M17: 1,485,956 km (0.065 R)
• M18: 1,691,503 km (0.044 R)
• M19: 1,817,465 km (0.049 R)
• M20: 1,881,642 km (0.097 R)
• M21: 1,976,786 km (0.032 R)
• M22: 2,063,403 km (0.095 R)
• M23: 2,135,659 km (0.119 R)
• M24: 2,267,006 km (0.084 R)
• M25: 2,373,969 km (0.084 R)
• M26: 2,515,488 km (0.059 R)
• M27: 2,581,760 km (0.106 R)
• M28: 2,676,755 km (0.095 R)
• M29: 2,761,577 km (0.093 R)
• M30: 2,916,560 km (0.054 R)
• M31: 3,021,428 km (0.066 R)
• M32: 3,103,857 km (0.104 R)
• M33: 3,277,241 km (0.11 R)
• M34: 3,423,098 km (0.119 R)
• M35: 3,658,416 km (0.057 R)
• M36: 3,841,673 km (0.101 R)
• M37: 3,989,027 km (0.082 R)
• M38: 4,053,803 km (0.106 R)
• M39: 4,151,491 km (0.085 R)
• M40: 4,322,780 km (0.093 R)
• M41: 4,416,129 km (0.075 R)
• M42: 4,570,664 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 9.6

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.78 AU - 1.16 AU

Year: 607 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 5,148,092 km

• M1: 120,725 km (0.045 R)
• M2: 205,547 km (0.119 R)
• M3: 276,008 km (0.1 R)
• M4: 341,083 km (0.081 R)
• M5: 495,917 km (0.092 R)
• M6: 599,289 km (0.098 R)
• M7: 746,194 km (0.074 R)
• M8: 927,806 km (0.054 R)
• M9: 1,024,147 km (0.092 R)
• M10: 1,094,308 km (0.119 R)
• M11: 1,160,131 km (0.081 R)
• M12: 1,283,550 km (0.037 R)
• M13: 1,346,830 km (0.106 R)
• M14: 1,417,889 km (0.044 R)
• M15: 1,510,191 km (0.105 R)
• M16: 1,570,628 km (0.119 R)
• M17: 1,749,846 km (0.098 R)
• M18: 1,914,105 km (0.053 R)
• M19: 2,158,847 km (0.107 R)
• M20: 2,265,809 km (0.093 R)
• M21: 2,429,469 km (0.102 R)
• M22: 2,548,849 km (0.035 R)
• M23: 2,678,400 km (0.049 R)
• M24: 2,843,556 km (0.078 R)
• M25: 3,114,777 km (0.112 R)
• M26: 3,244,778 km (0.07 R)
• M27: 3,582,271 km (0.05 R)
• M28: 3,727,829 km (0.105 R)
• M29: 3,792,156 km (0.097 R)
• M30: 3,996,657 km (0.105 R)
• M31: 4,081,329 km (0.097 R)
• M32: 4,416,578 km (0.085 R)
• M33: 4,691,240 km (0.083 R)
• M34: 4,830,665 km (0.11 R)
• M35: 4,900,976 km (0.115 R)
• M36: 5,062,841 km (0.08 R)
• M37: 5,185,361 km (0.107 R)
• M38: 5,412,601 km (0.117 R)
• M39: 5,548,435 km (0.041 R)
• M40: 5,717,331 km (0.107 R)
• M41: 5,781,060 km (0.081 R)
• M42: 6,038,368 km (0.101 R)
• M43: 6,179,290 km (0.119 R)
• M44: 6,244,814 km (0.091 R)
• M45: 6,343,399 km (0.051 R)
• M46: 6,653,365 km (0.052 R)
• M47: 6,855,322 km (0.092 R)
• M48: 6,923,090 km (0.118 R)
• M49: 7,185,036 km (0.107 R)
• M50: 7,369,042 km (0.075 R)
• M51: 7,461,792 km (0.081 R)
• M52: 7,777,294 km (0.095 R)
• M53: 7,848,054 km (0.031 R)
• M54: 7,942,749 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 13.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.95 AU - 1.23 AU

Year: 724 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 5,148,092 km

• M1: 169,195 km (0.103 R)
• M2: 289,173 km (0.108 R)
• M3: 380,128 km (0.072 R)
• M4: 474,674 km (0.086 R)
• M5: 600,037 km (0.073 R)
• M6: 695,929 km (0.093 R)
• M7: 847,322 km (0.102 R)
• M8: 945,608 km (0.084 R)
• M9: 1,044,193 km (0.088 R)
• M10: 1,133,503 km (0.095 R)
• M11: 1,348,326 km (0.04 R)
• M12: 1,451,548 km (0.061 R)
• M13: 1,581,997 km (0.052 R)
• M14: 1,757,177 km (0.052 R)
• M15: 1,987,109 km (0.102 R)
• M16: 2,073,127 km (0.026 R)
• M17: 2,160,642 km (0.099 R)
• M18: 2,254,889 km (0.056 R)
• M19: 2,413,462 km (0.043 R)
• M20: 2,528,952 km (0.059 R)
• M21: 2,622,750 km (0.099 R)
• M22: 2,826,053 km (0.093 R)
• M23: 3,016,192 km (0.081 R)
• M24: 3,122,257 km (0.087 R)
• M25: 3,242,235 km (0.074 R)
• M26: 3,338,127 km (0.03 R)
• M27: 3,428,484 km (0.108 R)
• M28: 3,611,891 km (0.059 R)
• M29: 3,731,420 km (0.095 R)
• M30: 3,933,676 km (0.114 R)
• M31: 4,119,028 km (0.115 R)
• M32: 4,251,123 km (0.117 R)
• M33: 4,391,745 km (0.102 R)
• M34: 4,519,651 km (0.067 R)
• M35: 5,110,862 km (0.058 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 20,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit