🌌 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: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 10.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.91 AU - 1.09 AU

Year: 646 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,639,908 km

• M1: 131,197 km (0.113 R)
• M2: 526,585 km (0.085 R)
• M3: 871,856 km (0.098 R)
• M4: 1,354,908 km (0.034 R)
• M5: 1,966,913 km (0.115 R)
• M6: 3,097,574 km (0.078 R)
• M7: 3,603,364 km (0.105 R)
• M8: 4,103,470 km (0.079 R)
• M9: 4,698,570 km (0.105 R)
• M10: 6,238,381 km (0.117 R)
• M11: 6,644,988 km (0.119 R)
• M12: 7,004,472 km (0.095 R)
• M13: 7,808,859 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 8.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.2 AU - 1.4 AU

Year: 957 Days

Day: 8.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,639,908 km

• M1: 104,569 km (0.073 R)
• M2: 397,930 km (0.101 R)
• M3: 711,936 km (0.108 R)
• M4: 1,136,196 km (0.095 R)
• M5: 1,515,277 km (0.079 R)
• M6: 2,124,589 km (0.12 R)
• M7: 3,837,933 km (0.119 R)
• M8: 4,148,947 km (0.083 R)
• M9: 4,768,881 km (0.083 R)
• M10: 5,055,510 km (0.088 R)
• M11: 7,372,931 km (0.065 R)
• M12: 8,179,712 km (0.12 R)
• M13: 8,749,531 km (0.064 R)
• M14: 9,290,327 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 14.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.06 AU - 1.76 AU

Year: 1081 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,639,908 km

• M1: 184,005 km (0.069 R)
• M2: 831,914 km (0.077 R)
• M3: 1,302,249 km (0.069 R)
• M4: 2,462,680 km (0.081 R)
• M5: 5,032,472 km (0.109 R)
• M6: 6,395,608 km (0.116 R)
• M7: 6,933,113 km (0.096 R)
• M8: 7,475,406 km (0.065 R)
• M9: 8,260,645 km (0.051 R)
• M10: 9,392,652 km (0.078 R)
• M11: 10,027,096 km (0.115 R)
• M12: 10,690,114 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 13.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.77 AU - 2.45 AU

Year: 1979 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,639,908 km

• M1: 165,605 km (0.074 R)
• M2: 784,641 km (0.053 R)
• M3: 1,351,916 km (0.085 R)
• M4: 1,804,300 km (0.055 R)
• M5: 2,498,883 km (0.109 R)
• M6: 3,101,912 km (0.079 R)
• M7: 3,663,203 km (0.051 R)
• M8: 4,348,960 km (0.053 R)
• M9: 6,293,134 km (0.062 R)
• M10: 7,752,910 km (0.088 R)
• M11: 8,486,687 km (0.088 R)
• M12: 10,437,593 km (0.055 R)
• M13: 11,406,688 km (0.109 R)
• M14: 11,894,228 km (0.086 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 11.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.36 AU - 5.5 AU

Year: 8170 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,639,908 km

• M1: 147,803 km (0.06 R)
• M2: 933,042 km (0.108 R)
• M3: 1,521,111 km (0.078 R)
• M4: 1,997,281 km (0.106 R)
• M5: 2,718,792 km (0.112 R)
• M6: 3,171,924 km (0.108 R)
• M7: 3,606,655 km (0.037 R)
• M8: 4,733,127 km (0.089 R)
• M9: 11,699,750 km (0.105 R)
• M10: 12,637,579 km (0.092 R)
• M11: 13,568,676 km (0.092 R)
• M12: 14,721,926 km (0.062 R)
• M13: 18,712,898 km (0.079 R)
• M14: 20,287,266 km (0.075 R)
• M15: 24,190,873 km (0.1 R)
• M16: 28,476,403 km (0.077 R)
• M17: 34,172,941 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.3

Radius: 6.7

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.42 AU - 6.88 AU

Year: 9848 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,639,908 km

• M1: 162,912 km (0.11 R)
• M2: 372,798 km (0.061 R)
• M3: 830,119 km (0.102 R)
• M4: 1,765,255 km (0.11 R)
• M5: 2,495,143 km (0.112 R)
• M6: 3,459,002 km (0.096 R)
• M7: 4,502,896 km (0.04 R)
• M8: 5,811,578 km (0.074 R)
• M9: 6,534,435 km (0.094 R)
• M10: 8,466,641 km (0.029 R)
• M11: 13,234,026 km (0.075 R)
• M12: 17,202,409 km (0.104 R)
• M13: 19,928,531 km (0.077 R)
• M14: 21,813,464 km (0.104 R)
• M15: 22,842,548 km (0.119 R)
• M16: 27,480,680 km (0.108 R)
• M17: 27,876,815 km (0.075 R)
• M18: 31,291,237 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.3

Radius: 3

Gravity: 83.7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.51 AU - 8.73 AU

Year: 16341 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,639,908 km

• M1: 37,399 km (0.11 R)
• M2: 198,666 km (0.063 R)
• M3: 464,651 km (0.088 R)
• M4: 577,897 km (0.113 R)
• M5: 700,268 km (0.073 R)
• M6: 962,214 km (0.07 R)
• M7: 1,559,408 km (0.036 R)
• M8: 1,762,861 km (0.115 R)
• M9: 6,714,850 km (0.097 R)
• M10: 8,058,987 km (0.074 R)
• M11: 12,084,965 km (0.105 R)
• M12: 12,876,188 km (0.112 R)
• M13: 25,749,982 km (0.086 R)
• M14: 25,964,506 km (0.111 R)
• M15: 31,847,292 km (0.115 R)
• M16: 33,096,285 km (0.087 R)
• M17: 35,558,516 km (0.052 R)
• M18: 35,691,359 km (0.074 R)
• M19: 38,418,828 km (0.044 R)
• M20: 45,056,784 km (0.115 R)
• M21: 54,509,275 km (0.112 R)
• M22: 60,732,547 km (0.105 R)
• M23: 67,209,387 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 11,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit