🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.1

Radius: 8.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.44 AU - 0.72 AU

Year: 305 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,042,254 km

• M1: 105,766 km (0.1 R)
• M2: 406,158 km (0.108 R)
• M3: 734,675 km (0.096 R)
• M4: 1,687,464 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 13.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.5 AU - 0.8 AU

Year: 362 Days

Day: 9 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,042,254 km

• M1: 171,589 km (0.117 R)
• M2: 829,071 km (0.097 R)
• M3: 1,562,550 km (0.113 R)
• M4: 2,048,892 km (0.109 R)
• M5: 3,841,225 km (0.074 R)
• M6: 4,575,002 km (0.106 R)
• M7: 5,020,205 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 13.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.68 AU - 0.74 AU

Year: 413 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,042,254 km

• M1: 170,392 km (0.106 R)
• M2: 655,687 km (0.066 R)
• M3: 1,127,070 km (0.082 R)
• M4: 1,811,780 km (0.031 R)
• M5: 2,803,614 km (0.12 R)
• M6: 3,451,073 km (0.109 R)
• M7: 4,372,147 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 8.3

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.59 AU - 3.99 AU

Year: 4119 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,042,254 km

• M1: 103,223 km (0.058 R)
• M2: 421,118 km (0.12 R)
• M3: 735,573 km (0.112 R)
• M4: 1,171,351 km (0.082 R)
• M5: 2,163,933 km (0.111 R)
• M6: 2,451,460 km (0.093 R)
• M7: 3,352,638 km (0.045 R)
• M8: 3,889,694 km (0.057 R)
• M9: 4,603,725 km (0.063 R)
• M10: 5,135,246 km (0.111 R)
• M11: 5,429,505 km (0.1 R)
• M12: 6,022,960 km (0.095 R)
• M13: 6,721,732 km (0.106 R)
• M14: 7,405,843 km (0.097 R)
• M15: 8,316,295 km (0.096 R)
• M16: 8,648,103 km (0.12 R)
• M17: 9,496,922 km (0.044 R)
• M18: 14,169,910 km (0.089 R)
• M19: 14,911,916 km (0.068 R)
• M20: 17,234,273 km (0.049 R)
• M21: 17,533,170 km (0.106 R)
• M22: 17,957,280 km (0.064 R)
• M23: 18,388,121 km (0.062 R)
• M24: 20,115,229 km (0.073 R)
• M25: 21,052,160 km (0.113 R)
• M26: 21,808,527 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 11.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.4 AU - 5.46 AU

Year: 6436 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,042,254 km

• M1: 143,016 km (0.057 R)
• M2: 2,400,747 km (0.086 R)
• M3: 2,998,241 km (0.031 R)
• M4: 3,462,592 km (0.075 R)
• M5: 4,227,636 km (0.066 R)
• M6: 8,558,943 km (0.114 R)
• M7: 11,035,685 km (0.115 R)
• M8: 13,334,705 km (0.109 R)
• M9: 14,053,224 km (0.059 R)
• M10: 15,463,633 km (0.062 R)
• M11: 20,889,398 km (0.065 R)
• M12: 21,273,715 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.3

Radius: 6.5

Gravity: 19.65 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.9 AU - 8.52 AU

Year: 13363 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,042,254 km

• M1: 80,783 km (0.081 R)
• M2: 369,208 km (0.069 R)
• M3: 805,136 km (0.092 R)
• M4: 2,601,657 km (0.048 R)
• M5: 3,669,935 km (0.106 R)
• M6: 4,935,832 km (0.085 R)
• M7: 6,509,901 km (0.113 R)
• M8: 6,886,439 km (0.103 R)
• M9: 8,392,141 km (0.07 R)
• M10: 8,888,657 km (0.116 R)
• M11: 9,404,620 km (0.09 R)
• M12: 16,774,708 km (0.096 R)
• M13: 17,086,620 km (0.045 R)
• M14: 17,323,284 km (0.083 R)
• M15: 19,810,498 km (0.092 R)
• M16: 20,247,025 km (0.104 R)
• M17: 20,600,824 km (0.044 R)
• M18: 23,001,720 km (0.084 R)
• M19: 23,678,650 km (0.084 R)
• M20: 23,972,760 km (0.027 R)
• M21: 27,156,801 km (0.033 R)
• M22: 30,960,775 km (0.079 R)
• M23: 32,263,773 km (0.065 R)
• M24: 34,725,705 km (0.066 R)
• M25: 38,784,894 km (0.106 R)
• M26: 40,437,501 km (0.076 R)
• M27: 46,898,783 km (0.055 R)
• M28: 54,695,973 km (0.084 R)
• M29: 61,633,874 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.5

Radius: 5

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.2 AU - 9.36 AU

Year: 16446 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,042,254 km

• M1: 105,018 km (0.116 R)
• M2: 822,190 km (0.108 R)
• M3: 1,050,925 km (0.112 R)
• M4: 1,622,090 km (0.114 R)
• M5: 2,002,367 km (0.095 R)
• M6: 4,282,688 km (0.078 R)
• M7: 4,907,109 km (0.076 R)
• M8: 6,029,243 km (0.102 R)
• M9: 6,976,048 km (0.099 R)
• M10: 8,293,856 km (0.112 R)
• M11: 8,528,575 km (0.117 R)
• M12: 9,209,544 km (0.068 R)
• M13: 12,603,022 km (0.104 R)
• M14: 12,976,119 km (0.087 R)
• M15: 13,679,229 km (0.106 R)
• M16: 17,656,588 km (0.072 R)
• M17: 23,536,383 km (0.106 R)
• M18: 24,967,286 km (0.072 R)
• M19: 26,861,794 km (0.091 R)
• M20: 30,598,748 km (0.084 R)
• M21: 40,949,575 km (0.048 R)
• M22: 43,014,325 km (0.119 R)
• M23: 48,250,400 km (0.112 R)
• M24: 52,765,263 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 12,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit