🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.52 AU - 0.58 AU

Year: 268 Days

Day: 22.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113

Radius: 8.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 104.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,018,600 km

• M1: 108,458 km (0.078 R)
• M2: 959,371 km (0.074 R)
• M3: 1,534,126 km (0.105 R)
• M4: 2,240,228 km (0.065 R)
• M5: 2,983,879 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 13

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.71 AU - 1.91 AU

Year: 1597 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,018,600 km

• M1: 162,014 km (0.051 R)
• M2: 598,990 km (0.098 R)
• M3: 1,170,603 km (0.093 R)
• M4: 1,691,802 km (0.05 R)
• M5: 2,147,029 km (0.099 R)
• M6: 2,712,509 km (0.097 R)
• M7: 3,123,155 km (0.087 R)
• M8: 4,634,093 km (0.066 R)
• M9: 5,292,324 km (0.111 R)
• M10: 5,726,008 km (0.057 R)
• M11: 6,358,059 km (0.074 R)
• M12: 7,849,251 km (0.118 R)
• M13: 8,507,033 km (0.075 R)
• M14: 9,932,999 km (0.096 R)
• M15: 11,103,004 km (0.067 R)
• M16: 13,715,731 km (0.078 R)
• M17: 14,144,628 km (0.086 R)
• M18: 15,256,290 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.5

Radius: 12

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.23 AU - 4.15 AU

Year: 4650 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,018,600 km

• M1: 149,299 km (0.108 R)
• M2: 561,142 km (0.082 R)
• M3: 974,181 km (0.107 R)
• M4: 1,403,826 km (0.116 R)
• M5: 1,812,528 km (0.101 R)
• M6: 2,332,979 km (0.082 R)
• M7: 3,084,409 km (0.09 R)
• M8: 3,991,271 km (0.115 R)
• M9: 5,897,148 km (0.081 R)
• M10: 6,617,462 km (0.089 R)
• M11: 7,360,514 km (0.051 R)
• M12: 8,539,794 km (0.083 R)
• M13: 9,215,378 km (0.042 R)
• M14: 9,755,876 km (0.115 R)
• M15: 10,185,969 km (0.11 R)
• M16: 11,270,255 km (0.077 R)
• M17: 11,985,931 km (0.077 R)
• M18: 13,614,154 km (0.066 R)
• M19: 14,872,272 km (0.107 R)
• M20: 15,909,734 km (0.096 R)
• M21: 18,000,364 km (0.084 R)
• M22: 19,178,447 km (0.08 R)
• M23: 19,923,295 km (0.103 R)
• M24: 23,021,317 km (0.116 R)
• M25: 26,014,771 km (0.065 R)
• M26: 29,081,527 km (0.114 R)
• M27: 30,701,821 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.4

Radius: 13.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.04 AU - 4.62 AU

Year: 4917 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,018,600 km

• M1: 219,161 km (0.088 R)
• M2: 653,593 km (0.115 R)
• M3: 1,095,505 km (0.032 R)
• M4: 1,794,426 km (0.09 R)
• M5: 2,440,689 km (0.083 R)
• M6: 3,507,771 km (0.115 R)
• M7: 4,248,729 km (0.101 R)
• M8: 5,143,474 km (0.111 R)
• M9: 5,567,584 km (0.1 R)
• M10: 6,044,053 km (0.088 R)
• M11: 7,176,060 km (0.101 R)
• M12: 8,052,853 km (0.097 R)
• M13: 8,961,960 km (0.091 R)
• M14: 13,003,047 km (0.111 R)
• M15: 15,203,632 km (0.106 R)
• M16: 16,649,046 km (0.086 R)
• M17: 17,228,738 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.7

Radius: 4

Gravity: 39.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.16 AU - 10.84 AU

Year: 22320 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,018,600 km

• M1: 49,816 km (0.09 R)
• M2: 365,168 km (0.102 R)
• M3: 642,672 km (0.102 R)
• M4: 1,197,232 km (0.094 R)
• M5: 1,554,920 km (0.117 R)
• M6: 2,621,403 km (0.082 R)
• M7: 4,830,066 km (0.105 R)
• M8: 5,765,352 km (0.088 R)
• M9: 6,016,826 km (0.085 R)
• M10: 6,145,331 km (0.079 R)
• M11: 6,407,875 km (0.099 R)
• M12: 6,908,430 km (0.107 R)
• M13: 8,458,862 km (0.083 R)
• M14: 8,674,433 km (0.036 R)
• M15: 9,631,859 km (0.12 R)
• M16: 9,867,027 km (0.085 R)
• M17: 11,424,191 km (0.066 R)
• M18: 11,955,263 km (0.081 R)
• M19: 14,473,145 km (0.057 R)
• M20: 16,224,338 km (0.098 R)
• M21: 16,473,718 km (0.117 R)
• M22: 17,409,602 km (0.11 R)
• M23: 18,111,964 km (0.106 R)
• M24: 21,408,652 km (0.063 R)
• M25: 22,419,186 km (0.047 R)
• M26: 23,566,901 km (0.115 R)
• M27: 23,993,853 km (0.118 R)
• M28: 24,534,799 km (0.111 R)
• M29: 29,526,431 km (0.034 R)
• M30: 30,272,625 km (0.069 R)
• M31: 40,534,889 km (0.113 R)
• M32: 48,470,608 km (0.12 R)
• M33: 50,208,037 km (0.083 R)
• M34: 51,627,422 km (0.111 R)
• M35: 57,380,806 km (0.047 R)
• M36: 60,510,843 km (0.088 R)
• M37: 71,466,493 km (0.118 R)
• M38: 74,169,577 km (0.102 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 17,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit