🌌 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: 692.8

Radius: 13.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.68 AU - 0.68 AU

Year: 374 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,020,453 km

• M1: 169,494 km (0.117 R)
• M2: 631,453 km (0.078 R)
• M3: 1,124,078 km (0.068 R)
• M4: 1,715,439 km (0.055 R)
• M5: 2,438,595 km (0.12 R)
• M6: 2,867,342 km (0.079 R)
• M7: 3,660,211 km (0.116 R)
• M8: 4,428,695 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.5

Radius: 14.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.81 AU - 1.19 AU

Year: 667 Days

Day: 13.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,020,453 km

• M1: 187,596 km (0.107 R)
• M2: 823,686 km (0.111 R)
• M3: 2,835,029 km (0.112 R)
• M4: 3,430,130 km (0.032 R)
• M5: 4,015,356 km (0.053 R)
• M6: 5,634,454 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 13.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.91 AU - 1.23 AU

Year: 738 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,020,453 km

• M1: 171,589 km (0.118 R)
• M2: 660,624 km (0.093 R)
• M3: 1,170,155 km (0.116 R)
• M4: 1,895,704 km (0.118 R)
• M5: 2,332,380 km (0.049 R)
• M6: 3,246,723 km (0.119 R)
• M7: 3,818,336 km (0.047 R)
• M8: 4,637,684 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 8.4

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.12 AU - 1.3 AU

Year: 888 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,020,453 km

• M1: 104,719 km (0.103 R)
• M2: 404,812 km (0.12 R)
• M3: 683,363 km (0.097 R)
• M4: 1,437,037 km (0.1 R)
• M5: 2,134,762 km (0.092 R)
• M6: 2,649,378 km (0.12 R)
• M7: 3,272,304 km (0.115 R)
• M8: 3,693,871 km (0.118 R)
• M9: 4,005,333 km (0.102 R)
• M10: 4,880,182 km (0.106 R)
• M11: 5,470,944 km (0.114 R)
• M12: 5,897,597 km (0.11 R)
• M13: 6,237,483 km (0.08 R)
• M14: 6,500,925 km (0.114 R)
• M15: 6,979,937 km (0.045 R)
• M16: 7,931,679 km (0.04 R)
• M17: 8,267,526 km (0.067 R)
• M18: 8,748,035 km (0.103 R)
• M19: 9,446,358 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 8.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.7 AU - 2.48 AU

Year: 2015 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,020,453 km

• M1: 111,002 km (0.051 R)
• M2: 429,944 km (0.119 R)
• M3: 1,202,168 km (0.07 R)
• M4: 1,980,975 km (0.117 R)
• M5: 2,521,622 km (0.118 R)
• M6: 3,499,094 km (0.069 R)
• M7: 4,041,386 km (0.107 R)
• M8: 5,531,531 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 8

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.87 AU - 3.05 AU

Year: 2573 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,020,453 km

• M1: 99,483 km (0.069 R)
• M2: 377,286 km (0.057 R)
• M3: 868,266 km (0.096 R)
• M4: 1,177,186 km (0.031 R)
• M5: 1,528,890 km (0.059 R)
• M6: 1,820,456 km (0.115 R)
• M7: 2,502,922 km (0.048 R)
• M8: 2,785,662 km (0.026 R)
• M9: 3,156,665 km (0.108 R)
• M10: 3,469,623 km (0.038 R)
• M11: 4,260,847 km (0.098 R)
• M12: 4,556,901 km (0.119 R)
• M13: 5,050,125 km (0.087 R)
• M14: 6,143,087 km (0.077 R)
• M15: 6,660,845 km (0.069 R)
• M16: 7,356,026 km (0.112 R)
• M17: 8,924,411 km (0.119 R)
• M18: 9,588,625 km (0.102 R)
• M19: 9,951,250 km (0.037 R)
• M20: 10,781,219 km (0.06 R)
• M21: 12,707,890 km (0.103 R)
• M22: 13,548,182 km (0.092 R)
• M23: 13,912,752 km (0.067 R)
• M24: 14,190,555 km (0.074 R)
• M25: 17,335,551 km (0.111 R)

Asteroid Belt

Center: 3.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.8

Radius: 12.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.32 AU - 3.88 AU

Year: 4555 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,020,453 km

• M1: 151,692 km (0.099 R)
• M2: 704,756 km (0.043 R)
• M3: 1,386,772 km (0.102 R)
• M4: 3,245,825 km (0.098 R)
• M5: 4,600,733 km (0.089 R)
• M6: 6,058,265 km (0.102 R)
• M7: 7,042,469 km (0.095 R)
• M8: 8,093,694 km (0.028 R)
• M9: 10,288,893 km (0.111 R)
• M10: 10,860,955 km (0.103 R)
• M11: 17,005,538 km (0.073 R)
• M12: 17,994,230 km (0.116 R)
• M13: 19,020,920 km (0.117 R)
• M14: 19,482,131 km (0.11 R)
• M15: 23,370,628 km (0.038 R)
• M16: 24,670,185 km (0.06 R)
• M17: 25,298,197 km (0.102 R)
• M18: 25,696,127 km (0.093 R)
• M19: 26,179,029 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.8

Radius: 5.4

Gravity: 27.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.75 AU - 8.67 AU

Year: 14276 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,020,453 km

• M1: 67,169 km (0.089 R)
• M2: 278,701 km (0.071 R)
• M3: 795,561 km (0.047 R)
• M4: 1,298,210 km (0.09 R)
• M5: 1,935,796 km (0.108 R)
• M6: 2,282,864 km (0.114 R)
• M7: 2,558,722 km (0.113 R)
• M8: 3,202,591 km (0.113 R)
• M9: 3,576,436 km (0.104 R)
• M10: 4,008,625 km (0.078 R)
• M11: 4,442,758 km (0.091 R)
• M12: 6,921,145 km (0.118 R)
• M13: 7,453,864 km (0.108 R)
• M14: 7,823,819 km (0.063 R)
• M15: 9,111,408 km (0.098 R)
• M16: 13,068,720 km (0.096 R)
• M17: 13,538,607 km (0.104 R)
• M18: 17,630,259 km (0.111 R)
• M19: 18,874,464 km (0.055 R)
• M20: 20,087,553 km (0.071 R)
• M21: 24,137,018 km (0.057 R)
• M22: 26,511,435 km (0.119 R)
• M23: 27,700,140 km (0.117 R)
• M24: 33,803,434 km (0.096 R)
• M25: 37,567,915 km (0.101 R)
• M26: 38,928,059 km (0.04 R)
• M27: 39,342,445 km (0.112 R)
• M28: 42,180,616 km (0.117 R)
• M29: 42,910,803 km (0.074 R)
• M30: 44,547,104 km (0.073 R)
• M31: 45,762,886 km (0.081 R)
• M32: 47,470,396 km (0.061 R)
• M33: 56,120,145 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 11,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit