🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 9.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.58 AU - 0.66 AU

Year: 337 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,734,513 km

• M1: 120,576 km (0.07 R)
• M2: 480,658 km (0.082 R)
• M3: 806,333 km (0.081 R)
• M4: 1,189,602 km (0.115 R)
• M5: 1,621,342 km (0.109 R)
• M6: 2,023,461 km (0.083 R)
• M7: 2,362,001 km (0.114 R)
• M8: 3,175,364 km (0.098 R)
• M9: 3,555,792 km (0.106 R)
• M10: 4,501,550 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 12.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.71 AU - 0.83 AU

Year: 466 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,734,513 km

• M1: 155,432 km (0.063 R)
• M2: 638,484 km (0.101 R)
• M3: 1,220,868 km (0.082 R)
• M4: 1,828,834 km (0.068 R)
• M5: 2,443,382 km (0.112 R)
• M6: 2,919,552 km (0.113 R)
• M7: 3,621,615 km (0.11 R)
• M8: 4,103,320 km (0.043 R)
• M9: 4,582,482 km (0.09 R)
• M10: 5,082,588 km (0.052 R)
• M11: 5,636,399 km (0.115 R)
• M12: 6,045,998 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.8

Radius: 11.4

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.91 AU - 0.97 AU

Year: 629 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,734,513 km

• M1: 141,819 km (0.111 R)
• M2: 499,358 km (0.12 R)
• M3: 994,676 km (0.094 R)
• M4: 1,494,932 km (0.095 R)
• M5: 1,892,114 km (0.109 R)
• M6: 2,329,538 km (0.12 R)
• M7: 3,574,342 km (0.07 R)
• M8: 3,945,793 km (0.075 R)
• M9: 4,784,290 km (0.05 R)
• M10: 5,327,629 km (0.028 R)
• M11: 6,664,286 km (0.061 R)
• M12: 8,212,774 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 11.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.12 AU - 2.38 AU

Year: 2330 Days

Day: 8.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,734,513 km

• M1: 143,016 km (0.055 R)
• M2: 546,481 km (0.106 R)
• M3: 954,434 km (0.101 R)
• M4: 1,329,626 km (0.09 R)
• M5: 2,495,741 km (0.097 R)
• M6: 3,078,126 km (0.079 R)
• M7: 6,483,721 km (0.116 R)
• M8: 8,844,226 km (0.102 R)
• M9: 9,441,720 km (0.074 R)
• M10: 9,832,619 km (0.103 R)
• M11: 10,543,060 km (0.106 R)
• M12: 11,506,320 km (0.113 R)
• M13: 11,990,569 km (0.099 R)
• M14: 13,120,032 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 14.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.3 AU - 3.36 AU

Year: 3286 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,734,513 km

• M1: 181,612 km (0.094 R)
• M2: 851,212 km (0.101 R)
• M3: 2,643,394 km (0.116 R)
• M4: 3,628,945 km (0.09 R)
• M5: 4,285,680 km (0.038 R)
• M6: 8,118,826 km (0.068 R)
• M7: 8,762,097 km (0.109 R)
• M8: 9,247,692 km (0.109 R)
• M9: 11,504,974 km (0.117 R)
• M10: 13,024,140 km (0.107 R)
• M11: 13,807,135 km (0.11 R)
• M12: 14,777,577 km (0.107 R)
• M13: 16,854,594 km (0.112 R)
• M14: 19,939,601 km (0.069 R)
• M15: 20,980,353 km (0.111 R)
• M16: 23,454,553 km (0.109 R)
• M17: 24,467,330 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 11.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.26 AU - 4.64 AU

Year: 6480 Days

Day: 7.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,734,513 km

• M1: 141,968 km (0.118 R)
• M2: 668,254 km (0.114 R)
• M3: 1,905,278 km (0.09 R)
• M4: 2,582,658 km (0.055 R)
• M5: 3,452,420 km (0.096 R)
• M6: 4,347,913 km (0.104 R)
• M7: 7,180,997 km (0.093 R)
• M8: 8,456,468 km (0.111 R)
• M9: 9,036,609 km (0.088 R)
• M10: 9,681,825 km (0.071 R)
• M11: 12,026,472 km (0.063 R)
• M12: 14,675,402 km (0.11 R)
• M13: 19,128,182 km (0.038 R)
• M14: 19,812,144 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 10

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.72 AU - 5.96 AU

Year: 7350 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,734,513 km

• M1: 126,859 km (0.09 R)
• M2: 628,461 km (0.079 R)
• M3: 993,629 km (0.112 R)
• M4: 1,366,427 km (0.109 R)
• M5: 1,818,362 km (0.066 R)
• M6: 2,281,068 km (0.108 R)
• M7: 4,535,059 km (0.101 R)
• M8: 5,144,970 km (0.106 R)
• M9: 6,212,949 km (0.107 R)
• M10: 7,078,074 km (0.115 R)
• M11: 7,461,493 km (0.112 R)
• M12: 8,021,587 km (0.088 R)
• M13: 8,523,787 km (0.094 R)
• M14: 9,498,717 km (0.067 R)
• M15: 11,616,873 km (0.106 R)
• M16: 13,040,446 km (0.045 R)
• M17: 15,838,675 km (0.054 R)
• M18: 18,077,107 km (0.112 R)
• M19: 19,309,046 km (0.081 R)
• M20: 19,832,190 km (0.108 R)
• M21: 21,458,618 km (0.076 R)
• M22: 25,063,328 km (0.064 R)
• M23: 27,428,171 km (0.069 R)
• M24: 27,994,399 km (0.072 R)
• M25: 28,376,173 km (0.112 R)
• M26: 30,841,546 km (0.098 R)
• M27: 33,126,204 km (0.102 R)
• M28: 34,418,880 km (0.094 R)
• M29: 39,566,542 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.7

Radius: 11.9

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.44 AU - 5.96 AU

Year: 8185 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,734,513 km

• M1: 149,299 km (0.102 R)
• M2: 598,242 km (0.113 R)
• M3: 1,106,276 km (0.101 R)
• M4: 1,995,187 km (0.09 R)
• M5: 2,724,476 km (0.063 R)
• M6: 4,198,165 km (0.069 R)
• M7: 5,429,954 km (0.107 R)
• M8: 5,832,671 km (0.043 R)
• M9: 6,219,382 km (0.092 R)
• M10: 7,524,474 km (0.06 R)
• M11: 8,640,025 km (0.108 R)
• M12: 9,474,632 km (0.108 R)
• M13: 9,911,757 km (0.093 R)
• M14: 10,413,209 km (0.083 R)
• M15: 10,984,373 km (0.07 R)
• M16: 11,358,667 km (0.067 R)
• M17: 12,648,799 km (0.11 R)
• M18: 14,796,277 km (0.102 R)
• M19: 17,034,111 km (0.109 R)
• M20: 19,179,494 km (0.095 R)
• M21: 21,250,976 km (0.119 R)
• M22: 21,749,436 km (0.11 R)
• M23: 24,000,286 km (0.062 R)
• M24: 26,022,699 km (0.11 R)
• M25: 32,003,772 km (0.111 R)
• M26: 33,658,773 km (0.079 R)
• M27: 36,424,389 km (0.091 R)
• M28: 46,455,524 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 14,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit