🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.96 AU - 1.06 AU

Year: 362 Days

Day: 25.5 Hours

Environment

Temp: 101 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.98 AU - 1.12 AU

Year: 384 Days

Day: 18.4 Hours

Environment

Temp: 49 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 4.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 11.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.85 AU - 9.65 AU

Year: 7690 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,660,958 km

• M1: 152,291 km (0.079 R)
• M2: 694,583 km (0.105 R)
• M3: 1,116,599 km (0.094 R)
• M4: 2,100,803 km (0.108 R)
• M5: 2,793,142 km (0.108 R)
• M6: 4,520,249 km (0.108 R)
• M7: 5,075,706 km (0.04 R)
• M8: 7,481,240 km (0.118 R)
• M9: 9,057,403 km (0.095 R)
• M10: 9,942,873 km (0.09 R)
• M11: 13,878,494 km (0.102 R)
• M12: 16,296,444 km (0.099 R)
• M13: 20,992,620 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 13.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.5 AU - 9.28 AU

Year: 9448 Days

Day: 9.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,660,958 km

• M1: 169,195 km (0.033 R)
• M2: 610,958 km (0.096 R)
• M3: 1,319,154 km (0.064 R)
• M4: 1,752,988 km (0.117 R)
• M5: 2,180,090 km (0.118 R)
• M6: 2,798,378 km (0.071 R)
• M7: 3,389,738 km (0.12 R)
• M8: 4,143,711 km (0.12 R)
• M9: 5,918,092 km (0.112 R)
• M10: 7,091,537 km (0.115 R)
• M11: 9,043,042 km (0.076 R)
• M12: 10,959,690 km (0.084 R)
• M13: 13,312,715 km (0.117 R)
• M14: 13,796,364 km (0.079 R)
• M15: 18,396,050 km (0.103 R)
• M16: 19,379,058 km (0.092 R)
• M17: 22,881,144 km (0.094 R)
• M18: 28,344,458 km (0.026 R)
• M19: 30,796,068 km (0.114 R)
• M20: 38,383,971 km (0.119 R)
• M21: 39,118,946 km (0.118 R)
• M22: 40,113,323 km (0.038 R)
• M23: 44,260,176 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.4

Radius: 9.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.02 AU - 10.98 AU

Year: 10437 Days

Day: 6 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,660,958 km

• M1: 126,410 km (0.036 R)
• M2: 473,926 km (0.113 R)
• M3: 776,413 km (0.097 R)
• M4: 1,295,518 km (0.093 R)
• M5: 1,923,081 km (0.05 R)
• M6: 2,546,305 km (0.057 R)
• M7: 3,508,519 km (0.042 R)
• M8: 4,356,140 km (0.083 R)
• M9: 5,462,716 km (0.1 R)
• M10: 6,709,614 km (0.113 R)
• M11: 7,087,498 km (0.098 R)
• M12: 8,567,021 km (0.07 R)
• M13: 11,634,974 km (0.102 R)
• M14: 17,048,622 km (0.081 R)
• M15: 17,825,484 km (0.117 R)
• M16: 24,643,856 km (0.093 R)
• M17: 25,728,141 km (0.048 R)
• M18: 27,033,233 km (0.11 R)
• M19: 27,414,109 km (0.08 R)
• M20: 29,072,701 km (0.11 R)
• M21: 33,020,289 km (0.116 R)
• M22: 37,429,088 km (0.059 R)
• M23: 38,860,889 km (0.118 R)
• M24: 41,201,946 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.6

Radius: 14.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.34 AU - 11.02 AU

Year: 10735 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,660,958 km

• M1: 176,077 km (0.108 R)
• M2: 789,428 km (0.098 R)
• M3: 1,535,473 km (0.035 R)
• M4: 2,438,296 km (0.084 R)
• M5: 3,149,484 km (0.105 R)
• M6: 4,194,126 km (0.09 R)
• M7: 5,087,674 km (0.1 R)
• M8: 5,597,803 km (0.05 R)
• M9: 6,179,589 km (0.108 R)
• M10: 7,379,962 km (0.075 R)
• M11: 8,355,041 km (0.098 R)
• M12: 11,858,474 km (0.098 R)
• M13: 12,333,596 km (0.105 R)
• M14: 15,248,212 km (0.098 R)
• M15: 17,812,319 km (0.071 R)
• M16: 20,482,043 km (0.072 R)
• M17: 21,167,500 km (0.096 R)
• M18: 22,313,869 km (0.064 R)
• M19: 23,131,421 km (0.101 R)
• M20: 24,923,155 km (0.06 R)
• M21: 29,102,022 km (0.066 R)
• M22: 30,519,013 km (0.095 R)
• M23: 34,083,182 km (0.112 R)
• M24: 34,924,820 km (0.069 R)
• M25: 35,411,910 km (0.057 R)
• M26: 37,533,059 km (0.043 R)
• M27: 38,689,749 km (0.076 R)
• M28: 40,804,465 km (0.09 R)
• M29: 45,697,362 km (0.071 R)
• M30: 53,507,269 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 15

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.89 AU - 10.59 AU

Year: 11680 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,660,958 km

• M1: 186,549 km (0.109 R)
• M2: 908,508 km (0.099 R)
• M3: 1,545,496 km (0.067 R)
• M4: 2,041,861 km (0.112 R)
• M5: 2,807,653 km (0.092 R)
• M6: 3,561,028 km (0.101 R)
• M7: 4,071,456 km (0.08 R)
• M8: 5,501,013 km (0.112 R)
• M9: 6,596,369 km (0.062 R)
• M10: 9,256,518 km (0.103 R)
• M11: 11,531,453 km (0.103 R)
• M12: 12,612,746 km (0.047 R)
• M13: 13,613,406 km (0.083 R)
• M14: 14,360,049 km (0.098 R)
• M15: 18,874,165 km (0.075 R)
• M16: 20,503,735 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 9.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.4 AU - 13 AU

Year: 12476 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,660,958 km

• M1: 114,442 km (0.046 R)
• M2: 687,402 km (0.114 R)
• M3: 1,019,210 km (0.07 R)
• M4: 1,815,520 km (0.112 R)
• M5: 2,247,259 km (0.102 R)
• M6: 2,585,500 km (0.1 R)
• M7: 3,607,852 km (0.112 R)
• M8: 4,551,216 km (0.09 R)
• M9: 6,317,069 km (0.087 R)
• M10: 8,147,549 km (0.114 R)
• M11: 11,354,927 km (0.107 R)
• M12: 12,300,386 km (0.072 R)
• M13: 12,763,092 km (0.11 R)
• M14: 21,419,573 km (0.096 R)
• M15: 29,271,367 km (0.069 R)
• M16: 29,785,235 km (0.088 R)
• M17: 40,602,807 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 8.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 11.39 AU - 11.83 AU

Year: 14101 Days

Day: 5.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,660,958 km

• M1: 102,026 km (0.046 R)
• M2: 464,950 km (0.083 R)
• M3: 935,286 km (0.036 R)
• M4: 1,782,309 km (0.09 R)
• M5: 2,884,696 km (0.105 R)
• M6: 3,279,634 km (0.115 R)
• M7: 9,404,321 km (0.032 R)
• M8: 10,133,610 km (0.106 R)
• M9: 13,206,799 km (0.077 R)
• M10: 17,450,143 km (0.103 R)
• M11: 28,219,095 km (0.107 R)
• M12: 34,275,116 km (0.091 R)
• M13: 36,655,966 km (0.097 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 10,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit