🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 8.2

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 310 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 120.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,454,387 km

• M1: 102,026 km (0.053 R)
• M2: 444,455 km (0.092 R)
• M3: 708,346 km (0.052 R)
• M4: 1,127,669 km (0.116 R)
• M5: 1,454,091 km (0.085 R)
• M6: 1,770,192 km (0.09 R)
• M7: 2,035,129 km (0.035 R)
• M8: 2,344,199 km (0.075 R)
• M9: 2,608,239 km (0.119 R)
• M10: 2,974,155 km (0.088 R)
• M11: 3,273,650 km (0.065 R)
• M12: 3,546,367 km (0.064 R)
• M13: 3,859,027 km (0.096 R)
• M14: 4,793,265 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 13.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.58 AU - 0.72 AU

Year: 349 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,454,387 km

• M1: 171,738 km (0.059 R)
• M2: 823,536 km (0.11 R)
• M3: 1,302,549 km (0.032 R)
• M4: 1,957,488 km (0.103 R)
• M5: 2,442,036 km (0.099 R)
• M6: 3,589,003 km (0.049 R)
• M7: 4,806,879 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.9

Radius: 11.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.6 AU - 2.54 AU

Year: 1986 Days

Day: 6.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,454,387 km

• M1: 149,448 km (0.104 R)
• M2: 524,041 km (0.111 R)
• M3: 1,210,696 km (0.091 R)
• M4: 1,728,454 km (0.072 R)
• M5: 2,229,607 km (0.107 R)
• M6: 2,643,993 km (0.095 R)
• M7: 3,187,631 km (0.105 R)
• M8: 3,630,591 km (0.091 R)
• M9: 5,903,132 km (0.045 R)
• M10: 7,051,146 km (0.1 R)
• M11: 7,465,233 km (0.095 R)
• M12: 8,649,599 km (0.056 R)
• M13: 9,092,559 km (0.059 R)
• M14: 10,023,955 km (0.116 R)
• M15: 10,655,707 km (0.089 R)
• M16: 13,284,590 km (0.052 R)
• M17: 14,307,840 km (0.095 R)
• M18: 14,749,303 km (0.066 R)
• M19: 15,200,041 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 8.4

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.98 AU - 3.12 AU

Year: 3552 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,454,387 km

• M1: 106,214 km (0.095 R)
• M2: 750,084 km (0.116 R)
• M3: 1,037,611 km (0.11 R)
• M4: 1,658,741 km (0.12 R)
• M5: 2,144,485 km (0.105 R)
• M6: 2,824,857 km (0.072 R)
• M7: 3,479,048 km (0.107 R)
• M8: 3,852,893 km (0.075 R)
• M9: 5,849,426 km (0.067 R)
• M10: 6,379,452 km (0.108 R)
• M11: 7,102,907 km (0.058 R)
• M12: 7,400,307 km (0.11 R)
• M13: 8,198,711 km (0.03 R)
• M14: 8,749,680 km (0.08 R)
• M15: 9,364,228 km (0.114 R)
• M16: 9,966,210 km (0.118 R)
• M17: 10,297,569 km (0.097 R)
• M18: 11,158,505 km (0.069 R)
• M19: 11,789,210 km (0.068 R)
• M20: 12,066,714 km (0.114 R)
• M21: 14,551,534 km (0.09 R)
• M22: 15,801,724 km (0.104 R)
• M23: 16,366,905 km (0.072 R)
• M24: 16,654,581 km (0.07 R)
• M25: 18,205,163 km (0.102 R)
• M26: 19,142,394 km (0.101 R)
• M27: 23,797,431 km (0.119 R)
• M28: 25,451,535 km (0.101 R)
• M29: 25,837,946 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 9.5

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.07 AU - 4.21 AU

Year: 5617 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,454,387 km

• M1: 151,842 km (0.108 R)
• M2: 505,491 km (0.1 R)
• M3: 808,876 km (0.074 R)
• M4: 1,643,333 km (0.076 R)
• M5: 2,010,296 km (0.116 R)
• M6: 3,051,348 km (0.076 R)
• M7: 3,702,547 km (0.118 R)
• M8: 4,036,899 km (0.114 R)
• M9: 4,365,415 km (0.083 R)
• M10: 8,794,260 km (0.114 R)
• M11: 10,669,919 km (0.067 R)
• M12: 11,006,663 km (0.039 R)
• M13: 12,531,066 km (0.118 R)
• M14: 13,622,532 km (0.029 R)
• M15: 14,657,899 km (0.089 R)
• M16: 16,626,906 km (0.029 R)
• M17: 22,075,709 km (0.092 R)
• M18: 22,466,010 km (0.032 R)
• M19: 24,403,601 km (0.102 R)
• M20: 31,566,497 km (0.111 R)
• M21: 35,463,372 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 11.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.19 AU - 6.03 AU

Year: 7703 Days

Day: 8.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,454,387 km

• M1: 145,559 km (0.116 R)
• M2: 541,095 km (0.116 R)
• M3: 1,128,866 km (0.037 R)
• M4: 1,609,972 km (0.032 R)
• M5: 2,091,827 km (0.118 R)
• M6: 2,739,586 km (0.112 R)
• M7: 3,667,392 km (0.093 R)
• M8: 5,509,091 km (0.076 R)
• M9: 6,294,330 km (0.079 R)
• M10: 7,538,685 km (0.047 R)
• M11: 8,012,761 km (0.064 R)
• M12: 10,509,101 km (0.111 R)
• M13: 11,524,721 km (0.118 R)
• M14: 13,804,592 km (0.105 R)
• M15: 14,852,077 km (0.049 R)
• M16: 16,734,766 km (0.08 R)
• M17: 18,705,718 km (0.086 R)
• M18: 20,544,575 km (0.056 R)
• M19: 21,255,314 km (0.027 R)
• M20: 22,575,815 km (0.04 R)
• M21: 24,499,643 km (0.065 R)
• M22: 26,115,599 km (0.102 R)
• M23: 26,781,460 km (0.114 R)
• M24: 28,671,030 km (0.103 R)
• M25: 29,738,411 km (0.084 R)
• M26: 30,924,423 km (0.045 R)

Asteroid Belt

Center: 8.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.2

Radius: 5.8

Gravity: 20.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 9.02 AU - 12.84 AU

Year: 24097 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,454,387 km

• M1: 72,256 km (0.116 R)
• M2: 357,838 km (0.097 R)
• M3: 543,040 km (0.057 R)
• M4: 1,868,627 km (0.1 R)
• M5: 2,178,893 km (0.06 R)
• M6: 2,645,489 km (0.099 R)
• M7: 3,064,961 km (0.092 R)
• M8: 3,558,036 km (0.119 R)
• M9: 3,839,579 km (0.075 R)
• M10: 5,117,743 km (0.076 R)
• M11: 5,355,454 km (0.118 R)
• M12: 6,025,653 km (0.103 R)
• M13: 6,610,132 km (0.073 R)
• M14: 7,839,228 km (0.111 R)
• M15: 8,155,478 km (0.078 R)
• M16: 8,590,359 km (0.074 R)
• M17: 10,676,650 km (0.112 R)
• M18: 10,999,931 km (0.117 R)
• M19: 12,148,245 km (0.091 R)
• M20: 13,005,440 km (0.06 R)
• M21: 13,448,849 km (0.086 R)
• M22: 14,365,734 km (0.1 R)
• M23: 16,153,877 km (0.062 R)
• M24: 18,637,501 km (0.108 R)
• M25: 21,981,762 km (0.115 R)
• M26: 24,014,497 km (0.098 R)
• M27: 26,875,557 km (0.047 R)
• M28: 28,081,016 km (0.082 R)
• M29: 30,083,833 km (0.117 R)
• M30: 31,382,791 km (0.108 R)
• M31: 35,218,331 km (0.085 R)
• M32: 36,806,911 km (0.086 R)
• M33: 48,753,647 km (0.038 R)
• M34: 54,253,014 km (0.075 R)
• M35: 63,044,731 km (0.043 R)
• M36: 64,953,002 km (0.081 R)
• M37: 75,309,662 km (0.037 R)
• M38: 78,667,237 km (0.068 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 12,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit