🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.42 AU - 0.64 AU

Year: 253 Days

Day: 37.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 15

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.92 AU

Year: 487 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 17,190,800 km

• M1: 186,549 km (0.118 R)
• M2: 962,214 km (0.077 R)
• M3: 1,449,903 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 13.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.74 AU - 0.94 AU

Year: 505 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,190,800 km

• M1: 166,802 km (0.048 R)
• M2: 630,705 km (0.093 R)
• M3: 1,274,125 km (0.107 R)
• M4: 1,824,196 km (0.08 R)
• M5: 2,531,346 km (0.081 R)
• M6: 3,642,110 km (0.113 R)
• M7: 4,329,362 km (0.106 R)
• M8: 4,829,468 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.7

Radius: 12.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.36 AU - 1.86 AU

Year: 1340 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,190,800 km

• M1: 154,535 km (0.106 R)
• M2: 542,292 km (0.09 R)
• M3: 1,058,255 km (0.109 R)
• M4: 1,681,779 km (0.056 R)
• M5: 2,554,084 km (0.069 R)
• M6: 3,228,322 km (0.065 R)
• M7: 3,843,618 km (0.091 R)
• M8: 4,234,667 km (0.068 R)
• M9: 5,616,502 km (0.078 R)
• M10: 6,005,008 km (0.1 R)
• M11: 7,440,848 km (0.111 R)
• M12: 8,282,935 km (0.1 R)
• M13: 9,376,196 km (0.067 R)
• M14: 11,051,244 km (0.118 R)
• M15: 12,878,432 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 14.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.61 AU - 1.67 AU

Year: 1378 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,190,800 km

• M1: 176,226 km (0.104 R)
• M2: 860,637 km (0.026 R)
• M3: 1,799,812 km (0.116 R)
• M4: 2,618,112 km (0.116 R)
• M5: 4,020,144 km (0.088 R)
• M6: 4,610,158 km (0.092 R)
• M7: 6,146,378 km (0.075 R)
• M8: 7,032,297 km (0.096 R)
• M9: 7,519,387 km (0.037 R)
• M10: 9,238,417 km (0.11 R)
• M11: 10,368,778 km (0.105 R)
• M12: 11,980,845 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.3

Radius: 13.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.65 AU - 1.81 AU

Year: 1493 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,190,800 km

• M1: 166,353 km (0.098 R)
• M2: 680,521 km (0.107 R)
• M3: 1,137,692 km (0.101 R)
• M4: 1,934,749 km (0.072 R)
• M5: 2,740,483 km (0.114 R)
• M6: 3,265,572 km (0.113 R)
• M7: 3,711,224 km (0.118 R)
• M8: 4,127,854 km (0.072 R)
• M9: 7,099,466 km (0.057 R)
• M10: 7,561,125 km (0.104 R)
• M11: 9,068,324 km (0.091 R)
• M12: 10,767,307 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 14.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.77 AU - 2.41 AU

Year: 1982 Days

Day: 6.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,190,800 km

• M1: 198,516 km (0.072 R)
• M2: 814,710 km (0.112 R)
• M3: 1,314,816 km (0.038 R)
• M4: 1,828,834 km (0.094 R)
• M5: 2,400,597 km (0.096 R)
• M6: 3,768,221 km (0.107 R)
• M7: 4,462,953 km (0.111 R)
• M8: 6,135,009 km (0.089 R)
• M9: 7,182,343 km (0.116 R)
• M10: 9,069,521 km (0.116 R)
• M11: 9,530,432 km (0.097 R)
• M12: 10,934,557 km (0.093 R)
• M13: 11,763,479 km (0.033 R)
• M14: 13,546,835 km (0.036 R)
• M15: 14,592,674 km (0.104 R)
• M16: 15,135,265 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 13.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.87 AU - 2.97 AU

Year: 2470 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,190,800 km

• M1: 171,589 km (0.116 R)
• M2: 608,564 km (0.109 R)
• M3: 1,396,795 km (0.102 R)
• M4: 1,995,636 km (0.087 R)
• M5: 2,509,803 km (0.079 R)
• M6: 3,065,410 km (0.1 R)
• M7: 4,570,664 km (0.115 R)
• M8: 6,314,526 km (0.119 R)
• M9: 6,819,569 km (0.104 R)
• M10: 7,971,771 km (0.095 R)
• M11: 8,594,697 km (0.116 R)
• M12: 9,384,873 km (0.083 R)
• M13: 11,573,190 km (0.034 R)
• M14: 12,537,349 km (0.105 R)
• M15: 13,209,342 km (0.048 R)
• M16: 13,641,531 km (0.105 R)
• M17: 14,172,603 km (0.116 R)
• M18: 14,995,092 km (0.097 R)
• M19: 16,785,629 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 20,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit