🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.82 AU - 0.94 AU

Year: 318 Days

Day: 17.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 42.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.88 AU - 1.06 AU

Year: 368 Days

Day: 14.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.1 AU - 1.22 AU

Year: 481 Days

Day: 31 Hours

Environment

Temp: -22 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.17 AU - 1.81 AU

Year: 700 Days

Day: 19.4 Hours

Environment

Temp: -54 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.2

Radius: 11.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.48 AU - 6.76 AU

Year: 5129 Days

Day: 11.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,578,492 km

• M1: 138,378 km (0.108 R)
• M2: 524,341 km (0.092 R)
• M3: 1,022,950 km (0.08 R)
• M4: 1,463,666 km (0.118 R)
• M5: 3,364,905 km (0.082 R)
• M6: 4,648,754 km (0.059 R)
• M7: 5,320,448 km (0.109 R)
• M8: 6,295,228 km (0.119 R)
• M9: 7,521,183 km (0.06 R)
• M10: 8,447,493 km (0.036 R)
• M11: 11,006,364 km (0.062 R)
• M12: 11,546,712 km (0.079 R)
• M13: 12,057,439 km (0.081 R)
• M14: 20,077,081 km (0.066 R)
• M15: 21,227,190 km (0.069 R)
• M16: 24,331,645 km (0.047 R)
• M17: 25,638,382 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 11.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.35 AU - 8.51 AU

Year: 7797 Days

Day: 8.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,578,492 km

• M1: 143,165 km (0.114 R)
• M2: 825,182 km (0.101 R)
• M3: 1,221,317 km (0.066 R)
• M4: 1,786,947 km (0.083 R)
• M5: 2,225,268 km (0.097 R)
• M6: 2,902,947 km (0.077 R)
• M7: 5,906,124 km (0.101 R)
• M8: 7,942,450 km (0.104 R)
• M9: 12,658,074 km (0.082 R)
• M10: 18,227,603 km (0.085 R)
• M11: 21,100,181 km (0.098 R)
• M12: 29,438,916 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 9.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.64 AU - 10.24 AU

Year: 12066 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,578,492 km

• M1: 123,119 km (0.116 R)
• M2: 751,879 km (0.073 R)
• M3: 2,282,116 km (0.032 R)
• M4: 2,952,314 km (0.063 R)
• M5: 3,880,718 km (0.091 R)
• M6: 4,383,517 km (0.088 R)
• M7: 5,867,976 km (0.108 R)
• M8: 6,921,594 km (0.036 R)
• M9: 9,302,295 km (0.101 R)
• M10: 11,274,294 km (0.098 R)
• M11: 15,748,168 km (0.106 R)
• M12: 18,840,505 km (0.091 R)
• M13: 26,099,593 km (0.041 R)
• M14: 37,324,818 km (0.106 R)
• M15: 37,696,419 km (0.096 R)
• M16: 47,228,796 km (0.081 R)
• M17: 49,280,979 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.2

Radius: 6.2

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17.92 AU - 18.06 AU

Year: 29378 Days

Day: 17.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,578,492 km

• M1: 77,043 km (0.081 R)
• M2: 631,004 km (0.091 R)
• M3: 834,607 km (0.117 R)
• M4: 1,822,252 km (0.111 R)
• M5: 2,756,191 km (0.087 R)
• M6: 3,174,317 km (0.088 R)
• M7: 4,336,992 km (0.07 R)
• M8: 5,925,272 km (0.069 R)
• M9: 7,130,134 km (0.114 R)
• M10: 8,651,394 km (0.092 R)
• M11: 9,090,913 km (0.104 R)
• M12: 9,778,166 km (0.072 R)
• M13: 10,376,856 km (0.104 R)
• M14: 11,255,594 km (0.082 R)
• M15: 15,270,053 km (0.059 R)
• M16: 18,389,917 km (0.115 R)
• M17: 22,623,237 km (0.117 R)
• M18: 23,351,480 km (0.086 R)
• M19: 33,751,075 km (0.066 R)
• M20: 35,252,589 km (0.11 R)
• M21: 37,227,131 km (0.059 R)
• M22: 37,515,107 km (0.12 R)
• M23: 38,241,704 km (0.099 R)
• M24: 40,629,435 km (0.077 R)
• M25: 55,183,812 km (0.107 R)
• M26: 60,979,982 km (0.101 R)
• M27: 64,024,598 km (0.03 R)
• M28: 65,689,023 km (0.114 R)
• M29: 79,102,417 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 15,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit