🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.44 AU - 0.58 AU

Year: 136 Days

Day: 35.9 Hours

Environment

Temp: 205 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.32 AU - 1.68 AU

Year: 685 Days

Day: 41.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 9.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.26 AU - 5.8 AU

Year: 4205 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 98,582,230 km

• M1: 119,379 km (0.084 R)
• M2: 448,494 km (0.108 R)
• M3: 901,776 km (0.068 R)
• M4: 1,217,727 km (0.107 R)
• M5: 1,558,062 km (0.093 R)
• M6: 1,903,633 km (0.099 R)
• M7: 2,663,590 km (0.115 R)
• M8: 3,704,791 km (0.073 R)
• M9: 4,027,773 km (0.082 R)
• M10: 4,730,434 km (0.106 R)
• M11: 5,345,132 km (0.108 R)
• M12: 5,783,753 km (0.066 R)
• M13: 6,872,975 km (0.082 R)
• M14: 7,333,288 km (0.074 R)
• M15: 10,279,468 km (0.111 R)
• M16: 11,153,269 km (0.069 R)
• M17: 14,440,084 km (0.08 R)
• M18: 16,531,462 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 13.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.96 AU - 5.98 AU

Year: 4769 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,582,230 km

• M1: 162,912 km (0.038 R)
• M2: 737,368 km (0.103 R)
• M3: 1,287,290 km (0.093 R)
• M4: 1,785,151 km (0.119 R)
• M5: 2,249,354 km (0.108 R)
• M6: 2,727,917 km (0.073 R)
• M7: 3,466,332 km (0.043 R)
• M8: 4,981,609 km (0.077 R)
• M9: 6,203,824 km (0.11 R)
• M10: 8,238,804 km (0.071 R)
• M11: 10,434,152 km (0.041 R)
• M12: 11,870,591 km (0.041 R)
• M13: 12,612,746 km (0.099 R)
• M14: 13,583,636 km (0.081 R)
• M15: 15,674,416 km (0.066 R)
• M16: 16,117,076 km (0.111 R)
• M17: 18,092,217 km (0.1 R)
• M18: 19,200,887 km (0.098 R)
• M19: 20,682,953 km (0.104 R)
• M20: 21,894,995 km (0.038 R)
• M21: 24,092,587 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 13.7

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.31 AU - 8.19 AU

Year: 7277 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,582,230 km

• M1: 170,392 km (0.089 R)
• M2: 846,425 km (0.076 R)
• M3: 1,295,817 km (0.091 R)
• M4: 1,799,513 km (0.081 R)
• M5: 2,863,004 km (0.069 R)
• M6: 3,513,306 km (0.071 R)
• M7: 3,944,896 km (0.045 R)
• M8: 4,999,411 km (0.112 R)
• M9: 5,429,505 km (0.11 R)
• M10: 6,802,215 km (0.115 R)
• M11: 8,159,068 km (0.101 R)
• M12: 9,515,173 km (0.092 R)
• M13: 10,361,597 km (0.096 R)
• M14: 11,064,707 km (0.072 R)
• M15: 11,699,601 km (0.058 R)
• M16: 12,410,490 km (0.034 R)
• M17: 15,971,966 km (0.101 R)
• M18: 17,952,941 km (0.117 R)
• M19: 18,830,632 km (0.093 R)
• M20: 32,100,262 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 10.9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.24 AU - 7.8 AU

Year: 7687 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 98,582,230 km

• M1: 145,409 km (0.066 R)
• M2: 579,093 km (0.075 R)
• M3: 1,057,956 km (0.066 R)
• M4: 1,694,196 km (0.116 R)
• M5: 2,343,002 km (0.096 R)
• M6: 3,369,243 km (0.083 R)
• M7: 4,446,946 km (0.11 R)
• M8: 5,770,289 km (0.105 R)
• M9: 6,131,119 km (0.09 R)
• M10: 7,409,583 km (0.084 R)
• M11: 8,818,794 km (0.095 R)
• M12: 9,586,830 km (0.064 R)
• M13: 10,754,441 km (0.058 R)
• M14: 11,678,657 km (0.098 R)
• M15: 15,969,722 km (0.075 R)
• M16: 16,383,660 km (0.081 R)
• M17: 18,048,385 km (0.117 R)
• M18: 19,352,280 km (0.114 R)
• M19: 21,353,002 km (0.073 R)
• M20: 22,001,060 km (0.114 R)
• M21: 25,439,567 km (0.119 R)
• M22: 27,496,837 km (0.108 R)
• M23: 27,921,246 km (0.086 R)
• M24: 29,220,802 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 8.4

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.6 AU - 8.84 AU

Year: 7996 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 98,582,230 km

• M1: 105,167 km (0.11 R)
• M2: 807,081 km (0.078 R)
• M3: 1,779,616 km (0.077 R)
• M4: 2,085,993 km (0.104 R)
• M5: 2,913,867 km (0.086 R)
• M6: 4,361,975 km (0.063 R)
• M7: 6,123,938 km (0.063 R)
• M8: 10,324,647 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 13.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 9.37 AU - 14.09 AU

Year: 14976 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 98,582,230 km

• M1: 172,935 km (0.073 R)
• M2: 1,446,761 km (0.067 R)
• M3: 1,905,877 km (0.116 R)
• M4: 3,224,283 km (0.104 R)
• M5: 4,608,662 km (0.073 R)
• M6: 5,418,285 km (0.076 R)
• M7: 6,630,028 km (0.082 R)
• M8: 7,706,534 km (0.098 R)
• M9: 13,971,095 km (0.07 R)
• M10: 15,316,428 km (0.119 R)
• M11: 18,420,285 km (0.032 R)
• M12: 19,460,439 km (0.11 R)
• M13: 21,309,618 km (0.113 R)
• M14: 26,944,820 km (0.117 R)
• M15: 29,668,998 km (0.049 R)
• M16: 41,455,515 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.9

Radius: 5.7

Gravity: 17.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 17.49 AU - 21.43 AU

Year: 32001 Days

Day: 21.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,582,230 km

• M1: 81,082 km (0.069 R)
• M2: 272,717 km (0.105 R)
• M3: 996,322 km (0.102 R)
• M4: 3,908,693 km (0.081 R)
• M5: 5,692,648 km (0.063 R)
• M6: 7,317,430 km (0.107 R)
• M7: 13,842,590 km (0.09 R)
• M8: 14,736,886 km (0.036 R)
• M9: 15,669,180 km (0.094 R)
• M10: 16,105,707 km (0.094 R)
• M11: 19,792,995 km (0.117 R)
• M12: 20,406,047 km (0.049 R)
• M13: 31,873,173 km (0.08 R)
• M14: 32,573,590 km (0.117 R)
• M15: 39,828,488 km (0.118 R)
• M16: 49,943,399 km (0.09 R)
• M17: 51,268,985 km (0.118 R)
• M18: 52,618,059 km (0.12 R)
• M19: 68,586,136 km (0.106 R)
• M20: 75,042,780 km (0.069 R)
• M21: 76,530,680 km (0.116 R)
• M22: 92,788,977 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 18,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit