🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 13.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.77 AU - 1.21 AU

Year: 646 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,670,155 km

• M1: 164,707 km (0.081 R)
• M2: 675,135 km (0.092 R)
• M3: 1,083,837 km (0.118 R)
• M4: 1,639,742 km (0.107 R)
• M5: 2,640,103 km (0.112 R)
• M6: 3,210,520 km (0.089 R)
• M7: 4,273,712 km (0.091 R)
• M8: 4,901,873 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 10.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.91 AU - 1.35 AU

Year: 788 Days

Day: 10.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,670,155 km

• M1: 130,749 km (0.101 R)
• M2: 509,381 km (0.095 R)
• M3: 865,424 km (0.032 R)
• M4: 1,267,692 km (0.076 R)
• M5: 1,609,823 km (0.114 R)
• M6: 2,180,987 km (0.075 R)
• M7: 2,797,929 km (0.063 R)
• M8: 4,767,535 km (0.106 R)
• M9: 6,173,156 km (0.072 R)
• M10: 6,618,210 km (0.094 R)
• M11: 7,039,178 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 11.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.49 AU - 1.57 AU

Year: 1241 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,670,155 km

• M1: 138,079 km (0.082 R)
• M2: 527,332 km (0.106 R)
• M3: 927,208 km (0.114 R)
• M4: 1,404,574 km (0.074 R)
• M5: 1,881,792 km (0.083 R)
• M6: 2,338,215 km (0.086 R)
• M7: 3,818,934 km (0.05 R)
• M8: 4,603,126 km (0.103 R)
• M9: 5,456,732 km (0.116 R)
• M10: 6,529,947 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 10.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.74 AU - 1.76 AU

Year: 1519 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,670,155 km

• M1: 135,536 km (0.042 R)
• M2: 553,363 km (0.087 R)
• M3: 995,723 km (0.1 R)
• M4: 1,674,299 km (0.102 R)
• M5: 2,243,669 km (0.053 R)
• M6: 2,587,594 km (0.119 R)
• M7: 2,995,548 km (0.098 R)
• M8: 3,622,662 km (0.106 R)
• M9: 4,409,996 km (0.107 R)
• M10: 4,775,014 km (0.073 R)
• M11: 6,322,604 km (0.108 R)
• M12: 7,016,888 km (0.117 R)
• M13: 7,983,141 km (0.077 R)
• M14: 8,854,399 km (0.063 R)
• M15: 9,344,332 km (0.098 R)
• M16: 10,580,758 km (0.119 R)
• M17: 10,993,050 km (0.114 R)
• M18: 12,866,165 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 11.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.63 AU - 1.97 AU

Year: 1584 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,670,155 km

• M1: 146,756 km (0.082 R)
• M2: 644,916 km (0.116 R)
• M3: 1,094,757 km (0.072 R)
• M4: 1,527,993 km (0.11 R)
• M5: 1,922,482 km (0.1 R)
• M6: 2,937,504 km (0.069 R)
• M7: 3,491,016 km (0.085 R)
• M8: 4,004,735 km (0.118 R)
• M9: 4,952,438 km (0.108 R)
• M10: 5,379,988 km (0.059 R)
• M11: 5,949,208 km (0.068 R)
• M12: 7,507,868 km (0.08 R)
• M13: 7,929,734 km (0.105 R)
• M14: 8,790,520 km (0.082 R)
• M15: 10,282,310 km (0.061 R)
• M16: 11,305,709 km (0.072 R)
• M17: 12,946,499 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 10.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.23 AU - 5.15 AU

Year: 5626 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,670,155 km

• M1: 129,701 km (0.105 R)
• M2: 566,677 km (0.072 R)
• M3: 1,048,531 km (0.073 R)
• M4: 1,396,347 km (0.094 R)
• M5: 1,822,401 km (0.09 R)
• M6: 2,194,152 km (0.088 R)
• M7: 2,922,245 km (0.097 R)
• M8: 3,394,376 km (0.115 R)
• M9: 4,594,001 km (0.099 R)
• M10: 5,096,500 km (0.108 R)
• M11: 5,903,581 km (0.06 R)
• M12: 6,274,733 km (0.111 R)
• M13: 6,995,795 km (0.049 R)
• M14: 7,771,011 km (0.087 R)
• M15: 8,255,409 km (0.115 R)
• M16: 9,409,108 km (0.107 R)
• M17: 10,046,395 km (0.102 R)
• M18: 12,632,044 km (0.058 R)
• M19: 13,566,881 km (0.115 R)
• M20: 15,054,483 km (0.111 R)
• M21: 18,745,062 km (0.12 R)
• M22: 19,144,488 km (0.108 R)
• M23: 20,029,210 km (0.104 R)
• M24: 20,657,671 km (0.059 R)
• M25: 23,227,014 km (0.074 R)
• M26: 24,548,711 km (0.052 R)
• M27: 25,026,976 km (0.048 R)
• M28: 26,084,633 km (0.107 R)
• M29: 27,256,582 km (0.07 R)
• M30: 28,114,975 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.6

Radius: 4.5

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.86 AU - 6.72 AU

Year: 10349 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,670,155 km

• M1: 55,950 km (0.063 R)
• M2: 249,380 km (0.12 R)
• M3: 460,761 km (0.071 R)
• M4: 608,265 km (0.084 R)
• M5: 964,158 km (0.075 R)
• M6: 1,188,555 km (0.097 R)
• M7: 1,385,426 km (0.077 R)
• M8: 2,093,173 km (0.109 R)
• M9: 2,328,640 km (0.096 R)
• M10: 2,562,911 km (0.088 R)
• M11: 2,974,604 km (0.09 R)
• M12: 4,053,953 km (0.047 R)
• M13: 4,894,543 km (0.113 R)
• M14: 6,661,593 km (0.107 R)
• M15: 8,064,672 km (0.09 R)
• M16: 8,433,580 km (0.113 R)
• M17: 8,942,811 km (0.108 R)
• M18: 10,887,434 km (0.111 R)
• M19: 13,265,142 km (0.062 R)
• M20: 13,434,936 km (0.038 R)
• M21: 14,070,129 km (0.097 R)
• M22: 15,029,350 km (0.119 R)
• M23: 16,031,506 km (0.063 R)
• M24: 16,224,188 km (0.082 R)
• M25: 17,345,724 km (0.073 R)
• M26: 17,959,823 km (0.079 R)
• M27: 18,659,193 km (0.118 R)
• M28: 20,637,774 km (0.071 R)
• M29: 24,070,297 km (0.113 R)
• M30: 27,039,815 km (0.087 R)
• M31: 27,404,385 km (0.108 R)
• M32: 27,587,942 km (0.105 R)
• M33: 27,864,847 km (0.084 R)
• M34: 28,801,031 km (0.083 R)
• M35: 30,637,345 km (0.046 R)
• M36: 34,115,645 km (0.065 R)
• M37: 37,621,321 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 7.3

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.84 AU - 11.96 AU

Year: 20434 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,670,155 km

• M1: 121,473 km (0.117 R)
• M2: 793,766 km (0.089 R)
• M3: 1,698,983 km (0.062 R)
• M4: 2,275,234 km (0.094 R)
• M5: 3,188,978 km (0.105 R)
• M6: 4,890,055 km (0.106 R)
• M7: 5,189,251 km (0.087 R)
• M8: 5,898,046 km (0.097 R)
• M9: 8,940,118 km (0.081 R)
• M10: 9,541,053 km (0.116 R)
• M11: 10,009,145 km (0.088 R)
• M12: 14,187,712 km (0.117 R)
• M13: 16,288,515 km (0.063 R)
• M14: 18,829,585 km (0.092 R)
• M15: 19,154,511 km (0.074 R)
• M16: 20,835,692 km (0.087 R)
• M17: 24,488,723 km (0.092 R)
• M18: 36,312,639 km (0.106 R)
• M19: 37,708,986 km (0.105 R)
• M20: 40,338,617 km (0.114 R)
• M21: 40,743,279 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 18,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit