🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.54 AU - 0.64 AU

Year: 293 Days

Day: 13.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 9.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.74 AU - 0.8 AU

Year: 436 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,375,891 km

• M1: 120,576 km (0.079 R)
• M2: 524,490 km (0.08 R)
• M3: 1,020,856 km (0.07 R)
• M4: 1,393,953 km (0.1 R)
• M5: 1,770,491 km (0.118 R)
• M6: 2,291,540 km (0.094 R)
• M7: 3,207,528 km (0.079 R)
• M8: 3,847,208 km (0.032 R)
• M9: 5,059,849 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 11.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.92 AU - 0.96 AU

Year: 588 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,375,891 km

• M1: 146,307 km (0.069 R)
• M2: 614,548 km (0.117 R)
• M3: 1,071,270 km (0.069 R)
• M4: 1,533,528 km (0.116 R)
• M5: 1,993,092 km (0.095 R)
• M6: 2,359,607 km (0.105 R)
• M7: 2,828,148 km (0.08 R)
• M8: 3,675,171 km (0.084 R)
• M9: 4,338,937 km (0.069 R)
• M10: 4,896,338 km (0.114 R)
• M11: 5,340,943 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 12.7

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.15 AU - 1.19 AU

Year: 817 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,375,891 km

• M1: 158,125 km (0.097 R)
• M2: 579,093 km (0.114 R)
• M3: 1,075,309 km (0.076 R)
• M4: 1,503,608 km (0.11 R)
• M5: 1,999,675 km (0.103 R)
• M6: 2,919,552 km (0.098 R)
• M7: 3,398,864 km (0.101 R)
• M8: 3,977,508 km (0.073 R)
• M9: 4,690,940 km (0.088 R)
• M10: 5,200,172 km (0.114 R)
• M11: 6,308,841 km (0.118 R)
• M12: 7,023,022 km (0.116 R)
• M13: 7,940,505 km (0.066 R)
• M14: 9,239,464 km (0.045 R)
• M15: 9,750,789 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 12.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.37 AU - 1.37 AU

Year: 1035 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,375,891 km

• M1: 159,172 km (0.047 R)
• M2: 583,731 km (0.074 R)
• M3: 1,051,075 km (0.118 R)
• M4: 1,552,975 km (0.051 R)
• M5: 2,124,439 km (0.106 R)
• M6: 3,037,286 km (0.043 R)
• M7: 3,953,423 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 14

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4 AU - 5 AU

Year: 6164 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,375,891 km

• M1: 174,132 km (0.086 R)
• M2: 727,943 km (0.074 R)
• M3: 1,314,367 km (0.061 R)
• M4: 3,078,425 km (0.101 R)
• M5: 3,778,992 km (0.075 R)
• M6: 4,521,446 km (0.059 R)
• M7: 5,106,523 km (0.079 R)
• M8: 6,298,370 km (0.061 R)
• M9: 6,890,628 km (0.115 R)
• M10: 7,848,802 km (0.112 R)
• M11: 8,697,321 km (0.106 R)
• M12: 11,812,397 km (0.088 R)
• M13: 12,464,794 km (0.058 R)
• M14: 15,128,234 km (0.071 R)
• M15: 16,293,003 km (0.089 R)

Asteroid Belt

Center: 5.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 13.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.92 AU - 6.46 AU

Year: 8764 Days

Day: 8.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,375,891 km

• M1: 166,802 km (0.08 R)
• M2: 1,168,509 km (0.078 R)
• M3: 1,881,941 km (0.12 R)
• M4: 2,481,679 km (0.041 R)
• M5: 3,589,302 km (0.067 R)
• M6: 5,808,287 km (0.112 R)
• M7: 6,257,529 km (0.114 R)
• M8: 8,366,859 km (0.118 R)
• M9: 9,098,991 km (0.107 R)
• M10: 10,255,532 km (0.103 R)
• M11: 10,735,891 km (0.106 R)
• M12: 11,461,441 km (0.1 R)
• M13: 12,859,732 km (0.084 R)
• M14: 13,626,272 km (0.105 R)
• M15: 16,940,164 km (0.038 R)
• M16: 19,141,796 km (0.098 R)
• M17: 19,737,494 km (0.104 R)
• M18: 24,030,205 km (0.074 R)
• M19: 24,645,950 km (0.07 R)
• M20: 26,556,764 km (0.115 R)
• M21: 27,800,072 km (0.098 R)
• M22: 28,736,255 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.2

Radius: 5.3

Gravity: 23.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.58 AU - 6.93 AU

Year: 10089 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,375,891 km

• M1: 72,555 km (0.118 R)
• M2: 307,872 km (0.098 R)
• M3: 506,090 km (0.109 R)
• M4: 714,928 km (0.109 R)
• M5: 1,323,941 km (0.067 R)
• M6: 2,034,980 km (0.096 R)
• M7: 2,715,800 km (0.086 R)
• M8: 3,638,370 km (0.086 R)
• M9: 5,389,114 km (0.081 R)
• M10: 5,692,947 km (0.119 R)
• M11: 5,936,941 km (0.079 R)
• M12: 9,197,726 km (0.105 R)
• M13: 10,231,597 km (0.104 R)
• M14: 11,450,221 km (0.104 R)
• M15: 11,952,421 km (0.115 R)
• M16: 12,295,299 km (0.112 R)
• M17: 17,151,845 km (0.104 R)
• M18: 22,108,022 km (0.085 R)
• M19: 22,624,584 km (0.12 R)
• M20: 23,681,941 km (0.109 R)
• M21: 28,951,526 km (0.102 R)
• M22: 29,569,665 km (0.044 R)
• M23: 30,513,478 km (0.117 R)
• M24: 32,571,496 km (0.103 R)
• M25: 32,793,349 km (0.03 R)
• M26: 34,951,897 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.8

Radius: 4.7

Gravity: 38.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.9 AU - 9.14 AU

Year: 14665 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,375,891 km

• M1: 58,493 km (0.065 R)
• M2: 256,411 km (0.063 R)
• M3: 897,288 km (0.042 R)
• M4: 1,094,608 km (0.069 R)
• M5: 1,363,734 km (0.111 R)
• M6: 2,072,529 km (0.117 R)
• M7: 2,688,124 km (0.102 R)
• M8: 5,042,346 km (0.07 R)
• M9: 5,405,121 km (0.108 R)
• M10: 10,734,844 km (0.095 R)
• M11: 11,642,604 km (0.119 R)
• M12: 18,524,256 km (0.06 R)
• M13: 21,002,943 km (0.117 R)
• M14: 29,516,258 km (0.094 R)
• M15: 33,004,432 km (0.055 R)
• M16: 34,912,104 km (0.083 R)
• M17: 46,026,627 km (0.115 R)
• M18: 52,375,561 km (0.041 R)
• M19: 53,746,177 km (0.065 R)
• M20: 61,714,657 km (0.096 R)
• M21: 62,285,073 km (0.09 R)
• M22: 65,386,088 km (0.053 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: 327 - 16,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit