🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.7

Radius: 8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 11 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,416,691 km

• M1: 99,483 km (0.067 R)
• M2: 726,298 km (0.075 R)
• M3: 2,095,268 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 15

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.66 AU

Year: 289 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,416,691 km

• M1: 186,549 km (0.078 R)
• M2: 667,356 km (0.113 R)
• M3: 1,181,075 km (0.079 R)
• M4: 1,680,732 km (0.059 R)
• M5: 2,495,292 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 13.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,416,691 km

• M1: 170,392 km (0.092 R)
• M2: 950,545 km (0.107 R)
• M3: 1,437,486 km (0.097 R)
• M4: 2,483,773 km (0.079 R)
• M5: 3,356,677 km (0.115 R)
• M6: 3,833,146 km (0.092 R)
• M7: 4,383,068 km (0.115 R)
• M8: 5,676,192 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 12.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.88 AU - 1.42 AU

Year: 851 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,416,691 km

• M1: 151,692 km (0.086 R)
• M2: 574,755 km (0.081 R)
• M3: 1,044,044 km (0.08 R)
• M4: 2,043,357 km (0.079 R)
• M5: 2,629,033 km (0.063 R)
• M6: 3,099,219 km (0.045 R)
• M7: 3,612,489 km (0.077 R)
• M8: 4,779,802 km (0.084 R)
• M9: 5,554,270 km (0.069 R)
• M10: 5,944,720 km (0.056 R)
• M11: 6,353,422 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 14.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.16 AU - 1.26 AU

Year: 919 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,416,691 km

• M1: 175,329 km (0.071 R)
• M2: 655,089 km (0.083 R)
• M3: 1,147,864 km (0.089 R)
• M4: 1,610,122 km (0.03 R)
• M5: 2,374,118 km (0.104 R)
• M6: 2,918,505 km (0.098 R)
• M7: 3,472,167 km (0.119 R)
• M8: 4,701,711 km (0.057 R)
• M9: 5,407,215 km (0.109 R)
• M10: 5,965,813 km (0.033 R)
• M11: 6,654,712 km (0.099 R)
• M12: 7,445,785 km (0.076 R)
• M13: 7,929,286 km (0.115 R)
• M14: 8,763,144 km (0.101 R)
• M15: 9,273,722 km (0.096 R)
• M16: 9,714,437 km (0.097 R)
• M17: 10,574,625 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 11.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.05 AU - 1.39 AU

Year: 930 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,416,691 km

• M1: 141,968 km (0.055 R)
• M2: 497,712 km (0.119 R)
• M3: 882,029 km (0.081 R)
• M4: 1,319,453 km (0.056 R)
• M5: 1,756,279 km (0.095 R)
• M6: 2,180,688 km (0.115 R)
• M7: 2,651,173 km (0.075 R)
• M8: 3,253,006 km (0.086 R)
• M9: 4,231,525 km (0.116 R)
• M10: 5,073,612 km (0.109 R)
• M11: 5,790,335 km (0.115 R)
• M12: 6,469,061 km (0.05 R)
• M13: 7,155,565 km (0.061 R)
• M14: 8,081,427 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 8.2

Gravity: 12.98 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.68 AU - 5.48 AU

Year: 7903 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,416,691 km

• M1: 109,356 km (0.115 R)
• M2: 495,019 km (0.025 R)
• M3: 769,831 km (0.057 R)
• M4: 1,095,804 km (0.076 R)
• M5: 1,680,134 km (0.115 R)
• M6: 2,457,594 km (0.101 R)
• M7: 2,833,084 km (0.101 R)
• M8: 3,089,645 km (0.113 R)
• M9: 3,432,224 km (0.074 R)
• M10: 4,086,565 km (0.063 R)
• M11: 5,775,375 km (0.096 R)
• M12: 6,736,841 km (0.119 R)
• M13: 8,052,255 km (0.059 R)
• M14: 9,019,405 km (0.116 R)
• M15: 9,626,174 km (0.101 R)
• M16: 10,460,332 km (0.078 R)
• M17: 11,077,573 km (0.115 R)
• M18: 11,556,286 km (0.063 R)
• M19: 11,828,105 km (0.102 R)
• M20: 12,669,294 km (0.05 R)
• M21: 14,533,583 km (0.111 R)
• M22: 14,914,459 km (0.088 R)
• M23: 17,129,555 km (0.07 R)
• M24: 20,650,041 km (0.064 R)
• M25: 24,268,515 km (0.084 R)
• M26: 25,993,976 km (0.104 R)
• M27: 28,190,372 km (0.067 R)
• M28: 31,659,397 km (0.118 R)
• M29: 33,716,966 km (0.059 R)
• M30: 43,887,079 km (0.117 R)
• M31: 44,283,812 km (0.042 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 13,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit