🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.45 AU - 2.79 AU

Year: 1526 Days

Day: 40 Hours

Environment

Temp: -89 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.72 AU - 4.92 AU

Year: 3231 Days

Day: 22.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.4

Radius: 13.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.12 AU - 5.5 AU

Year: 4404 Days

Day: 6.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,599,399 km

• M1: 171,589 km (0.076 R)
• M2: 716,873 km (0.085 R)
• M3: 1,335,909 km (0.063 R)
• M4: 1,806,993 km (0.11 R)
• M5: 2,275,384 km (0.085 R)
• M6: 2,892,176 km (0.091 R)
• M7: 3,426,539 km (0.06 R)
• M8: 4,026,726 km (0.11 R)
• M9: 5,259,412 km (0.027 R)
• M10: 6,061,407 km (0.096 R)
• M11: 8,709,438 km (0.104 R)
• M12: 10,552,335 km (0.101 R)
• M13: 12,413,332 km (0.114 R)
• M14: 13,446,006 km (0.111 R)
• M15: 14,232,442 km (0.101 R)
• M16: 15,153,666 km (0.112 R)
• M17: 15,628,938 km (0.111 R)
• M18: 18,038,960 km (0.119 R)
• M19: 19,549,001 km (0.116 R)
• M20: 21,869,414 km (0.074 R)
• M21: 22,477,080 km (0.048 R)
• M22: 23,655,612 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.5

Radius: 13.6

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.87 AU - 6.45 AU

Year: 5502 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,599,399 km

• M1: 169,794 km (0.086 R)
• M2: 621,280 km (0.088 R)
• M3: 1,883,437 km (0.084 R)
• M4: 2,885,444 km (0.109 R)
• M5: 5,562,647 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 8.4

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.37 AU - 7.67 AU

Year: 7422 Days

Day: 7.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,599,399 km

• M1: 105,466 km (0.071 R)
• M2: 414,386 km (0.104 R)
• M3: 706,252 km (0.082 R)
• M4: 1,291,179 km (0.066 R)
• M5: 2,024,807 km (0.052 R)
• M6: 3,157,413 km (0.034 R)
• M7: 3,463,191 km (0.083 R)
• M8: 4,474,772 km (0.102 R)
• M9: 4,805,233 km (0.087 R)
• M10: 7,142,401 km (0.062 R)
• M11: 7,867,352 km (0.042 R)
• M12: 8,473,523 km (0.109 R)
• M13: 8,809,370 km (0.101 R)
• M14: 9,687,958 km (0.119 R)
• M15: 10,242,517 km (0.115 R)
• M16: 11,877,024 km (0.054 R)
• M17: 12,674,530 km (0.035 R)
• M18: 13,114,198 km (0.11 R)
• M19: 13,850,519 km (0.119 R)
• M20: 15,220,237 km (0.108 R)
• M21: 16,353,441 km (0.091 R)
• M22: 19,722,086 km (0.059 R)
• M23: 21,841,140 km (0.103 R)
• M24: 23,940,746 km (0.074 R)
• M25: 26,884,682 km (0.074 R)
• M26: 31,239,925 km (0.113 R)
• M27: 32,858,873 km (0.059 R)
• M28: 33,376,033 km (0.045 R)
• M29: 33,688,992 km (0.072 R)
• M30: 34,960,125 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.2

Radius: 15

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.38 AU - 11.4 AU

Year: 13834 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,599,399 km

• M1: 186,698 km (0.12 R)
• M2: 1,408,913 km (0.071 R)
• M3: 1,879,099 km (0.111 R)
• M4: 2,418,250 km (0.108 R)
• M5: 3,016,491 km (0.066 R)
• M6: 4,254,863 km (0.104 R)
• M7: 5,167,110 km (0.1 R)
• M8: 9,613,010 km (0.119 R)
• M9: 12,264,033 km (0.036 R)
• M10: 12,739,156 km (0.11 R)
• M11: 15,302,366 km (0.106 R)
• M12: 18,040,306 km (0.091 R)
• M13: 20,921,711 km (0.107 R)
• M14: 33,304,226 km (0.108 R)
• M15: 35,057,064 km (0.055 R)
• M16: 40,161,643 km (0.099 R)
• M17: 45,175,715 km (0.061 R)
• M18: 48,199,536 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.6

Radius: 6.3

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 12.22 AU - 14.2 AU

Year: 17279 Days

Day: 19.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,599,399 km

• M1: 78,688 km (0.042 R)
• M2: 1,023,997 km (0.103 R)
• M3: 1,464,713 km (0.073 R)
• M4: 4,562,286 km (0.058 R)
• M5: 5,059,998 km (0.09 R)
• M6: 6,321,856 km (0.11 R)
• M7: 9,242,456 km (0.119 R)
• M8: 13,282,047 km (0.038 R)
• M9: 15,574,634 km (0.099 R)
• M10: 20,483,240 km (0.069 R)
• M11: 21,831,116 km (0.094 R)
• M12: 31,415,104 km (0.082 R)
• M13: 33,815,252 km (0.081 R)
• M14: 35,060,056 km (0.03 R)
• M15: 36,984,034 km (0.05 R)
• M16: 37,905,557 km (0.091 R)
• M17: 39,931,711 km (0.08 R)
• M18: 48,445,475 km (0.104 R)
• M19: 49,707,184 km (0.081 R)
• M20: 55,143,570 km (0.044 R)
• M21: 57,040,322 km (0.043 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit