🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 14.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.56 AU - 0.84 AU

Year: 384 Days

Day: 14.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,624,077 km

• M1: 184,005 km (0.114 R)
• M2: 701,614 km (0.11 R)
• M3: 1,185,713 km (0.107 R)
• M4: 1,758,074 km (0.104 R)
• M5: 2,451,610 km (0.087 R)
• M6: 3,076,331 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.2

Radius: 12.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.69 AU - 0.97 AU

Year: 496 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,624,077 km

• M1: 154,385 km (0.108 R)
• M2: 590,762 km (0.062 R)
• M3: 1,179,280 km (0.116 R)
• M4: 1,683,275 km (0.103 R)
• M5: 3,010,358 km (0.08 R)
• M6: 3,672,777 km (0.108 R)
• M7: 4,385,761 km (0.069 R)
• M8: 5,306,536 km (0.094 R)
• M9: 5,759,368 km (0.068 R)
• M10: 6,545,655 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 9.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.5 AU - 1.64 AU

Year: 1291 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,624,077 km

• M1: 144,362 km (0.087 R)
• M2: 513,869 km (0.079 R)
• M3: 892,800 km (0.03 R)
• M4: 1,742,666 km (0.103 R)
• M5: 2,111,424 km (0.114 R)
• M6: 3,180,750 km (0.09 R)
• M7: 3,781,984 km (0.119 R)
• M8: 4,256,658 km (0.078 R)
• M9: 5,268,239 km (0.068 R)
• M10: 6,110,774 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 8.4

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.53 AU - 2.29 AU

Year: 1732 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,624,077 km

• M1: 104,419 km (0.099 R)
• M2: 372,200 km (0.047 R)
• M3: 771,476 km (0.11 R)
• M4: 1,035,367 km (0.11 R)
• M5: 1,319,752 km (0.073 R)
• M6: 1,628,074 km (0.107 R)
• M7: 1,995,636 km (0.094 R)
• M8: 2,842,360 km (0.067 R)
• M9: 3,147,390 km (0.087 R)
• M10: 3,458,254 km (0.092 R)
• M11: 4,382,619 km (0.106 R)
• M12: 4,731,481 km (0.115 R)
• M13: 5,182,818 km (0.117 R)
• M14: 5,640,289 km (0.115 R)
• M15: 6,053,627 km (0.117 R)
• M16: 7,308,454 km (0.103 R)
• M17: 8,578,839 km (0.119 R)
• M18: 9,376,645 km (0.06 R)
• M19: 11,405,342 km (0.042 R)
• M20: 11,843,813 km (0.08 R)
• M21: 12,142,261 km (0.108 R)
• M22: 13,067,823 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 12.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.96 AU - 1.96 AU

Year: 1800 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,624,077 km

• M1: 160,369 km (0.088 R)
• M2: 2,119,802 km (0.079 R)
• M3: 3,789,763 km (0.119 R)
• M4: 4,622,873 km (0.108 R)
• M5: 5,028,284 km (0.039 R)
• M6: 5,621,888 km (0.12 R)
• M7: 6,059,911 km (0.106 R)
• M8: 7,088,097 km (0.073 R)
• M9: 7,835,787 km (0.119 R)
• M10: 8,795,457 km (0.113 R)
• M11: 9,936,440 km (0.041 R)
• M12: 10,985,720 km (0.068 R)
• M13: 12,675,577 km (0.115 R)
• M14: 15,502,827 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.4

Radius: 12.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.58 AU - 3.34 AU

Year: 3341 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,624,077 km

• M1: 154,235 km (0.066 R)
• M2: 720,164 km (0.095 R)
• M3: 1,195,437 km (0.059 R)
• M4: 1,688,511 km (0.065 R)
• M5: 2,451,012 km (0.102 R)
• M6: 2,869,586 km (0.064 R)
• M7: 3,336,182 km (0.104 R)
• M8: 4,950,044 km (0.11 R)
• M9: 7,552,000 km (0.1 R)
• M10: 10,329,434 km (0.101 R)
• M11: 11,744,330 km (0.055 R)
• M12: 12,568,615 km (0.103 R)
• M13: 14,179,634 km (0.117 R)
• M14: 14,641,892 km (0.11 R)
• M15: 17,807,981 km (0.048 R)
• M16: 19,268,206 km (0.114 R)
• M17: 20,091,892 km (0.077 R)
• M18: 20,545,024 km (0.097 R)
• M19: 21,270,723 km (0.096 R)
• M20: 22,495,331 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.9

Radius: 3.7

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.89 AU - 7.19 AU

Year: 12254 Days

Day: 20.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,624,077 km

• M1: 46,076 km (0.088 R)
• M2: 479,162 km (0.118 R)
• M3: 710,739 km (0.084 R)
• M4: 1,033,721 km (0.093 R)
• M5: 1,773,932 km (0.108 R)
• M6: 3,438,806 km (0.117 R)
• M7: 4,097,037 km (0.098 R)
• M8: 4,399,374 km (0.098 R)
• M9: 5,460,621 km (0.084 R)
• M10: 7,658,065 km (0.079 R)
• M11: 8,725,745 km (0.044 R)
• M12: 9,458,924 km (0.112 R)
• M13: 11,577,230 km (0.103 R)
• M14: 15,511,654 km (0.093 R)
• M15: 27,092,773 km (0.087 R)
• M16: 30,252,280 km (0.107 R)
• M17: 35,438,688 km (0.109 R)
• M18: 40,436,753 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 16,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit