🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 12.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.58 AU - 0.8 AU

Year: 396 Days

Day: 6.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,358,606 km

• M1: 157,975 km (0.11 R)
• M2: 794,365 km (0.1 R)
• M3: 1,404,425 km (0.092 R)
• M4: 1,996,084 km (0.097 R)
• M5: 2,445,177 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 12.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.72 AU - 1 AU

Year: 551 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,358,606 km

• M1: 150,495 km (0.099 R)
• M2: 560,842 km (0.075 R)
• M3: 1,130,062 km (0.114 R)
• M4: 1,715,439 km (0.082 R)
• M5: 2,238,732 km (0.115 R)
• M6: 2,638,906 km (0.114 R)
• M7: 3,076,480 km (0.118 R)
• M8: 3,744,136 km (0.064 R)
• M9: 4,259,201 km (0.119 R)
• M10: 5,290,529 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 10.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.75 AU - 1.05 AU

Year: 589 Days

Day: 13.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,358,606 km

• M1: 135,536 km (0.036 R)
• M2: 532,120 km (0.087 R)
• M3: 883,375 km (0.077 R)
• M4: 1,410,708 km (0.091 R)
• M5: 1,935,647 km (0.03 R)
• M6: 2,839,517 km (0.032 R)
• M7: 3,224,732 km (0.062 R)
• M8: 3,895,379 km (0.112 R)
• M9: 4,626,314 km (0.054 R)
• M10: 5,097,547 km (0.108 R)
• M11: 5,514,626 km (0.084 R)
• M12: 6,474,596 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 9.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.08 AU - 1.26 AU

Year: 874 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,358,606 km

• M1: 118,182 km (0.115 R)
• M2: 715,676 km (0.025 R)
• M3: 1,129,165 km (0.067 R)
• M4: 1,772,735 km (0.109 R)
• M5: 3,169,380 km (0.107 R)
• M6: 3,477,403 km (0.115 R)
• M7: 4,413,736 km (0.068 R)
• M8: 5,805,445 km (0.071 R)
• M9: 6,368,531 km (0.106 R)
• M10: 7,270,157 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 13.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.7 AU - 2.46 AU

Year: 2071 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,358,606 km

• M1: 166,652 km (0.097 R)
• M2: 594,652 km (0.11 R)
• M3: 1,224,309 km (0.088 R)
• M4: 1,861,147 km (0.115 R)
• M5: 2,362,898 km (0.087 R)
• M6: 2,787,008 km (0.071 R)
• M7: 3,415,319 km (0.059 R)
• M8: 3,923,653 km (0.078 R)
• M9: 5,612,912 km (0.088 R)
• M10: 6,702,733 km (0.06 R)
• M11: 7,714,762 km (0.114 R)
• M12: 8,337,389 km (0.09 R)
• M13: 9,265,344 km (0.078 R)
• M14: 9,790,133 km (0.074 R)
• M15: 13,061,839 km (0.112 R)
• M16: 15,399,904 km (0.119 R)
• M17: 16,237,802 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.2

Radius: 7.6

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.6 AU - 6.64 AU

Year: 9196 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,358,606 km

• M1: 94,546 km (0.069 R)
• M2: 587,022 km (0.114 R)
• M3: 1,011,880 km (0.105 R)
• M4: 1,462,020 km (0.036 R)
• M5: 1,972,149 km (0.107 R)
• M6: 2,781,024 km (0.106 R)
• M7: 3,899,717 km (0.118 R)
• M8: 4,428,097 km (0.069 R)
• M9: 5,626,974 km (0.118 R)
• M10: 6,639,303 km (0.119 R)
• M11: 6,949,719 km (0.037 R)
• M12: 7,188,776 km (0.115 R)
• M13: 8,695,227 km (0.093 R)
• M14: 9,992,839 km (0.088 R)
• M15: 11,305,261 km (0.066 R)
• M16: 11,692,420 km (0.104 R)
• M17: 12,145,702 km (0.116 R)
• M18: 12,728,684 km (0.118 R)
• M19: 13,950,600 km (0.09 R)
• M20: 15,182,090 km (0.029 R)
• M21: 16,273,855 km (0.101 R)
• M22: 17,271,523 km (0.101 R)
• M23: 18,083,391 km (0.109 R)
• M24: 21,587,122 km (0.068 R)
• M25: 27,157,100 km (0.117 R)
• M26: 29,070,307 km (0.106 R)
• M27: 44,081,406 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.9

Radius: 5.8

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.05 AU - 12.57 AU

Year: 22851 Days

Day: 23.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,358,606 km

• M1: 76,594 km (0.104 R)
• M2: 318,943 km (0.101 R)
• M3: 539,151 km (0.094 R)
• M4: 790,326 km (0.087 R)
• M5: 2,529,700 km (0.115 R)
• M6: 3,297,137 km (0.088 R)
• M7: 4,145,955 km (0.112 R)
• M8: 4,638,282 km (0.097 R)
• M9: 4,845,774 km (0.109 R)
• M10: 7,845,212 km (0.098 R)
• M11: 9,728,649 km (0.066 R)
• M12: 10,012,137 km (0.096 R)
• M13: 12,087,807 km (0.056 R)
• M14: 12,749,179 km (0.113 R)
• M15: 15,178,200 km (0.047 R)
• M16: 20,463,493 km (0.098 R)
• M17: 21,022,989 km (0.074 R)
• M18: 22,961,628 km (0.052 R)
• M19: 23,974,405 km (0.097 R)
• M20: 27,866,643 km (0.119 R)
• M21: 32,536,789 km (0.069 R)
• M22: 33,043,327 km (0.083 R)
• M23: 34,594,657 km (0.104 R)
• M24: 37,841,829 km (0.064 R)
• M25: 43,236,777 km (0.098 R)
• M26: 62,062,921 km (0.077 R)
• M27: 70,147,938 km (0.07 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 15,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit