🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.5

Radius: 14.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.57 AU - 0.59 AU

Year: 305 Days

Day: 7.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,969,582 km

• M1: 184,005 km (0.095 R)
• M2: 715,975 km (0.079 R)
• M3: 1,241,812 km (0.034 R)
• M4: 1,704,369 km (0.113 R)
• M5: 2,270,297 km (0.085 R)
• M6: 2,961,888 km (0.107 R)
• M7: 3,653,479 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 12.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.14 AU - 1.8 AU

Year: 1230 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,969,582 km

• M1: 158,125 km (0.102 R)
• M2: 562,338 km (0.085 R)
• M3: 1,028,785 km (0.062 R)
• M4: 1,950,607 km (0.091 R)
• M5: 2,806,456 km (0.113 R)
• M6: 3,979,603 km (0.043 R)
• M7: 4,797,155 km (0.118 R)
• M8: 5,216,927 km (0.088 R)
• M9: 7,246,820 km (0.108 R)
• M10: 9,024,940 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.39 AU - 1.91 AU

Year: 1463 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,969,582 km

• M1: 170,392 km (0.111 R)
• M2: 659,577 km (0.119 R)
• M3: 1,088,773 km (0.052 R)
• M4: 2,147,777 km (0.092 R)
• M5: 2,610,184 km (0.084 R)
• M6: 3,671,431 km (0.107 R)
• M7: 4,835,302 km (0.108 R)
• M8: 6,971,111 km (0.105 R)
• M9: 7,906,397 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.1

Radius: 12.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.8 AU - 2.42 AU

Year: 2116 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,969,582 km

• M1: 155,881 km (0.082 R)
• M2: 569,220 km (0.087 R)
• M3: 1,113,158 km (0.087 R)
• M4: 1,531,284 km (0.1 R)
• M5: 2,375,315 km (0.099 R)
• M6: 3,132,280 km (0.075 R)
• M7: 4,451,883 km (0.056 R)
• M8: 5,373,107 km (0.058 R)
• M9: 6,013,834 km (0.065 R)
• M10: 9,364,378 km (0.104 R)
• M11: 10,047,292 km (0.048 R)
• M12: 10,436,845 km (0.103 R)
• M13: 11,021,474 km (0.088 R)
• M14: 11,436,009 km (0.115 R)
• M15: 12,457,463 km (0.083 R)
• M16: 13,283,842 km (0.115 R)
• M17: 13,970,945 km (0.102 R)
• M18: 15,276,635 km (0.071 R)
• M19: 15,745,325 km (0.118 R)
• M20: 16,271,910 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.9

Radius: 10.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.71 AU - 3.85 AU

Year: 5073 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,969,582 km

• M1: 135,536 km (0.112 R)
• M2: 585,227 km (0.111 R)
• M3: 1,212,491 km (0.071 R)
• M4: 1,605,933 km (0.099 R)
• M5: 1,986,959 km (0.03 R)
• M6: 2,373,221 km (0.08 R)
• M7: 2,763,970 km (0.063 R)
• M8: 3,147,240 km (0.071 R)
• M9: 3,547,863 km (0.097 R)
• M10: 3,962,997 km (0.069 R)
• M11: 5,985,112 km (0.089 R)
• M12: 7,000,732 km (0.092 R)
• M13: 8,063,774 km (0.107 R)
• M14: 8,785,135 km (0.1 R)
• M15: 9,837,406 km (0.074 R)
• M16: 12,275,702 km (0.097 R)
• M17: 13,955,088 km (0.1 R)
• M18: 15,385,393 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.1

Radius: 5.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.58 AU - 7.42 AU

Year: 11439 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,969,582 km

• M1: 72,106 km (0.073 R)
• M2: 308,471 km (0.058 R)
• M3: 800,947 km (0.113 R)
• M4: 990,637 km (0.09 R)
• M5: 1,350,869 km (0.104 R)
• M6: 2,158,398 km (0.085 R)
• M7: 2,348,986 km (0.036 R)
• M8: 2,685,282 km (0.108 R)
• M9: 3,814,596 km (0.058 R)
• M10: 4,333,701 km (0.106 R)
• M11: 6,243,318 km (0.099 R)
• M12: 7,498,593 km (0.057 R)
• M13: 7,897,870 km (0.117 R)
• M14: 9,499,016 km (0.086 R)
• M15: 10,498,031 km (0.094 R)
• M16: 10,997,538 km (0.057 R)
• M17: 13,559,850 km (0.098 R)
• M18: 17,932,596 km (0.071 R)
• M19: 20,129,291 km (0.088 R)
• M20: 20,977,810 km (0.114 R)
• M21: 25,136,631 km (0.064 R)
• M22: 28,068,151 km (0.09 R)
• M23: 32,043,116 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.9

Radius: 6.5

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.91 AU - 7.93 AU

Year: 13951 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,969,582 km

• M1: 80,783 km (0.113 R)
• M2: 284,685 km (0.106 R)
• M3: 554,410 km (0.067 R)
• M4: 886,667 km (0.106 R)
• M5: 1,211,892 km (0.067 R)
• M6: 1,431,951 km (0.099 R)
• M7: 2,466,420 km (0.105 R)
• M8: 2,966,376 km (0.095 R)
• M9: 3,344,410 km (0.118 R)
• M10: 5,046,086 km (0.118 R)
• M11: 5,811,578 km (0.117 R)
• M12: 8,374,040 km (0.071 R)
• M13: 8,720,957 km (0.109 R)
• M14: 10,149,468 km (0.069 R)
• M15: 10,543,957 km (0.117 R)
• M16: 11,605,204 km (0.073 R)
• M17: 15,214,552 km (0.081 R)
• M18: 17,511,628 km (0.115 R)
• M19: 18,161,032 km (0.104 R)
• M20: 20,294,447 km (0.077 R)
• M21: 21,744,200 km (0.109 R)
• M22: 23,848,593 km (0.102 R)
• M23: 24,245,177 km (0.091 R)
• M24: 32,279,929 km (0.112 R)
• M25: 32,887,446 km (0.109 R)
• M26: 33,378,875 km (0.113 R)
• M27: 34,502,505 km (0.084 R)
• M28: 37,756,109 km (0.116 R)
• M29: 38,838,898 km (0.091 R)
• M30: 42,355,944 km (0.117 R)
• M31: 44,415,458 km (0.096 R)
• M32: 50,177,819 km (0.054 R)
• M33: 57,477,746 km (0.113 R)
• M34: 59,090,261 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 19,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit