🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 9.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,976,409 km

• M1: 115,938 km (0.078 R)
• M2: 405,261 km (0.081 R)
• M3: 701,464 km (0.118 R)
• M4: 1,103,434 km (0.07 R)
• M5: 1,447,808 km (0.043 R)
• M6: 1,765,704 km (0.106 R)
• M7: 2,096,913 km (0.061 R)
• M8: 2,386,236 km (0.093 R)
• M9: 2,692,462 km (0.039 R)
• M10: 3,167,885 km (0.069 R)
• M11: 3,491,315 km (0.079 R)
• M12: 4,018,049 km (0.092 R)
• M13: 4,328,465 km (0.114 R)
• M14: 4,684,209 km (0.11 R)
• M15: 5,309,827 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 9.5

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.06 AU - 1.16 AU

Year: 807 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,976,409 km

• M1: 118,182 km (0.099 R)
• M2: 466,297 km (0.105 R)
• M3: 892,351 km (0.075 R)
• M4: 1,414,448 km (0.064 R)
• M5: 1,715,738 km (0.09 R)
• M6: 2,100,354 km (0.08 R)
• M7: 3,190,923 km (0.093 R)
• M8: 3,747,127 km (0.09 R)
• M9: 4,433,931 km (0.107 R)
• M10: 4,745,394 km (0.071 R)
• M11: 5,470,794 km (0.118 R)
• M12: 5,952,948 km (0.099 R)
• M13: 6,887,486 km (0.084 R)
• M14: 8,093,694 km (0.103 R)
• M15: 9,072,961 km (0.107 R)
• M16: 9,720,421 km (0.106 R)

Asteroid Belt

Center: 1.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 9.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.53 AU - 1.81 AU

Year: 1490 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,976,409 km

• M1: 121,922 km (0.087 R)
• M2: 427,850 km (0.113 R)
• M3: 854,802 km (0.104 R)
• M4: 1,518,269 km (0.078 R)
• M5: 2,086,741 km (0.109 R)
• M6: 2,805,110 km (0.11 R)
• M7: 3,878,774 km (0.048 R)
• M8: 4,243,792 km (0.082 R)
• M9: 4,650,848 km (0.032 R)
• M10: 5,165,315 km (0.112 R)
• M11: 6,355,366 km (0.1 R)
• M12: 6,765,414 km (0.077 R)
• M13: 9,087,173 km (0.117 R)
• M14: 11,715,757 km (0.082 R)
• M15: 12,113,089 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 12.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.31 AU - 2.11 AU

Year: 1543 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,976,409 km

• M1: 160,519 km (0.086 R)
• M2: 595,549 km (0.115 R)
• M3: 1,075,160 km (0.086 R)
• M4: 1,692,550 km (0.112 R)
• M5: 2,199,238 km (0.048 R)
• M6: 2,984,478 km (0.116 R)
• M7: 4,128,303 km (0.11 R)
• M8: 4,971,287 km (0.11 R)
• M9: 6,182,581 km (0.045 R)
• M10: 6,719,039 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 8

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.86 AU - 2.24 AU

Year: 2026 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,976,409 km

• M1: 99,483 km (0.12 R)
• M2: 443,109 km (0.086 R)
• M3: 1,049,579 km (0.1 R)
• M4: 1,874,162 km (0.067 R)
• M5: 2,469,562 km (0.067 R)
• M6: 3,106,250 km (0.092 R)
• M7: 3,565,516 km (0.118 R)
• M8: 4,088,211 km (0.109 R)
• M9: 4,640,376 km (0.057 R)
• M10: 5,353,958 km (0.063 R)
• M11: 5,630,864 km (0.039 R)
• M12: 6,755,690 km (0.084 R)
• M13: 8,603,822 km (0.039 R)
• M14: 10,549,193 km (0.12 R)
• M15: 10,911,968 km (0.047 R)
• M16: 11,816,736 km (0.072 R)
• M17: 14,164,824 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 14.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.28 AU - 2.52 AU

Year: 2566 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,976,409 km

• M1: 175,329 km (0.117 R)
• M2: 667,954 km (0.096 R)
• M3: 2,119,652 km (0.097 R)
• M4: 2,744,523 km (0.053 R)
• M5: 3,794,251 km (0.029 R)
• M6: 5,414,994 km (0.101 R)
• M7: 6,395,010 km (0.1 R)
• M8: 7,213,011 km (0.091 R)
• M9: 7,742,887 km (0.09 R)
• M10: 8,399,621 km (0.116 R)
• M11: 9,272,674 km (0.065 R)
• M12: 10,166,821 km (0.067 R)
• M13: 13,567,180 km (0.103 R)
• M14: 14,968,165 km (0.079 R)
• M15: 15,989,170 km (0.08 R)
• M16: 16,677,470 km (0.079 R)
• M17: 18,341,148 km (0.116 R)
• M18: 20,480,996 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 10.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.37 AU - 3.81 AU

Year: 3749 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,976,409 km

• M1: 137,181 km (0.115 R)
• M2: 489,335 km (0.119 R)
• M3: 891,304 km (0.098 R)
• M4: 1,746,705 km (0.08 R)
• M5: 3,546,517 km (0.055 R)
• M6: 3,934,574 km (0.104 R)
• M7: 4,682,413 km (0.072 R)
• M8: 5,832,671 km (0.114 R)
• M9: 7,131,929 km (0.101 R)
• M10: 7,563,220 km (0.089 R)
• M11: 8,822,684 km (0.083 R)
• M12: 10,886,237 km (0.083 R)
• M13: 14,241,418 km (0.111 R)
• M14: 16,048,560 km (0.104 R)
• M15: 20,665,300 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit