🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 13.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.63 AU - 0.73 AU

Year: 368 Days

Day: 13.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,786,342 km

• M1: 164,109 km (0.118 R)
• M2: 580,290 km (0.052 R)
• M3: 1,049,279 km (0.072 R)
• M4: 1,581,997 km (0.097 R)
• M5: 2,206,718 km (0.097 R)
• M6: 2,641,749 km (0.104 R)
• M7: 3,112,384 km (0.091 R)
• M8: 3,651,385 km (0.098 R)
• M9: 4,076,093 km (0.109 R)
• M10: 4,505,289 km (0.087 R)
• M11: 5,214,084 km (0.041 R)
• M12: 5,772,234 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 14.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.94 AU - 1.04 AU

Year: 646 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,786,342 km

• M1: 176,974 km (0.061 R)
• M2: 705,504 km (0.096 R)
• M3: 1,243,009 km (0.065 R)
• M4: 2,252,495 km (0.107 R)
• M5: 2,969,518 km (0.055 R)
• M6: 3,499,992 km (0.099 R)
• M7: 4,496,613 km (0.052 R)
• M8: 6,141,441 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.9

Radius: 8.8

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.1 AU - 1.28 AU

Year: 852 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,786,342 km

• M1: 109,506 km (0.113 R)
• M2: 396,734 km (0.116 R)
• M3: 689,048 km (0.104 R)
• M4: 1,057,208 km (0.052 R)
• M5: 1,491,341 km (0.11 R)
• M6: 1,896,602 km (0.114 R)
• M7: 2,266,408 km (0.108 R)
• M8: 2,768,458 km (0.113 R)
• M9: 3,498,496 km (0.087 R)
• M10: 4,384,714 km (0.104 R)
• M11: 5,109,665 km (0.097 R)
• M12: 5,609,322 km (0.083 R)
• M13: 5,912,108 km (0.061 R)
• M14: 6,661,593 km (0.054 R)
• M15: 7,865,258 km (0.083 R)
• M16: 8,906,160 km (0.116 R)
• M17: 9,630,363 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 9.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.35 AU - 1.45 AU

Year: 1087 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 126.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,786,342 km

• M1: 118,332 km (0.078 R)
• M2: 493,224 km (0.077 R)
• M3: 972,835 km (0.095 R)
• M4: 1,485,656 km (0.094 R)
• M5: 1,827,637 km (0.103 R)
• M6: 2,130,872 km (0.068 R)
• M7: 2,434,855 km (0.109 R)
• M8: 2,840,864 km (0.101 R)
• M9: 3,987,082 km (0.07 R)
• M10: 4,707,695 km (0.115 R)
• M11: 5,609,771 km (0.082 R)
• M12: 5,989,001 km (0.106 R)
• M13: 7,001,480 km (0.1 R)
• M14: 7,729,124 km (0.082 R)
• M15: 8,300,887 km (0.111 R)
• M16: 9,170,349 km (0.099 R)

Asteroid Belt

Center: 2.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 11.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.81 AU - 2.81 AU

Year: 3090 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,786,342 km

• M1: 145,559 km (0.118 R)
• M2: 573,708 km (0.064 R)
• M3: 968,646 km (0.083 R)
• M4: 1,459,327 km (0.117 R)
• M5: 2,378,008 km (0.118 R)
• M6: 4,245,588 km (0.092 R)
• M7: 4,671,792 km (0.101 R)
• M8: 5,352,163 km (0.06 R)
• M9: 5,823,546 km (0.069 R)
• M10: 6,671,167 km (0.051 R)
• M11: 7,696,511 km (0.03 R)
• M12: 8,196,019 km (0.101 R)
• M13: 9,003,997 km (0.11 R)
• M14: 9,749,144 km (0.087 R)
• M15: 13,861,888 km (0.102 R)
• M16: 16,873,144 km (0.115 R)
• M17: 18,709,009 km (0.103 R)
• M18: 19,309,046 km (0.088 R)
• M19: 21,772,773 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 11.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.56 AU - 5.22 AU

Year: 6034 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,786,342 km

• M1: 139,276 km (0.118 R)
• M2: 580,141 km (0.098 R)
• M3: 995,125 km (0.093 R)
• M4: 1,396,496 km (0.073 R)
• M5: 1,776,176 km (0.12 R)
• M6: 2,989,414 km (0.092 R)
• M7: 3,475,159 km (0.115 R)
• M8: 5,394,050 km (0.118 R)
• M9: 7,180,997 km (0.102 R)
• M10: 7,935,868 km (0.105 R)
• M11: 8,301,784 km (0.11 R)
• M12: 8,839,439 km (0.106 R)
• M13: 13,794,270 km (0.109 R)
• M14: 14,822,456 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.7

Radius: 3.8

Gravity: 31.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.39 AU - 9.11 AU

Year: 14153 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 52,786,342 km

• M1: 47,273 km (0.11 R)
• M2: 211,382 km (0.044 R)
• M3: 586,124 km (0.055 R)
• M4: 974,181 km (0.104 R)
• M5: 1,387,520 km (0.111 R)
• M6: 1,891,366 km (0.04 R)
• M7: 2,194,152 km (0.11 R)
• M8: 2,528,354 km (0.076 R)
• M9: 2,654,165 km (0.087 R)
• M10: 3,576,735 km (0.095 R)
• M11: 4,982,357 km (0.095 R)
• M12: 6,213,996 km (0.031 R)
• M13: 6,443,779 km (0.111 R)
• M14: 6,719,039 km (0.116 R)
• M15: 6,920,397 km (0.068 R)
• M16: 7,678,709 km (0.032 R)
• M17: 9,112,006 km (0.077 R)
• M18: 9,762,907 km (0.096 R)
• M19: 11,212,510 km (0.081 R)
• M20: 11,959,303 km (0.096 R)
• M21: 13,109,261 km (0.11 R)
• M22: 14,397,449 km (0.102 R)
• M23: 14,867,485 km (0.119 R)
• M24: 15,626,844 km (0.065 R)
• M25: 17,073,007 km (0.105 R)
• M26: 17,675,587 km (0.057 R)
• M27: 18,370,319 km (0.111 R)
• M28: 18,605,936 km (0.093 R)
• M29: 25,364,618 km (0.117 R)
• M30: 26,049,627 km (0.037 R)
• M31: 30,972,145 km (0.074 R)
• M32: 35,865,042 km (0.03 R)
• M33: 36,851,939 km (0.086 R)
• M34: 37,856,788 km (0.105 R)
• M35: 42,331,560 km (0.112 R)
• M36: 44,979,442 km (0.083 R)
• M37: 45,837,984 km (0.101 R)
• M38: 46,126,559 km (0.057 R)
• M39: 48,778,779 km (0.103 R)
• M40: 49,381,509 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: 328 - 15,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit