🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 9.6

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.78 AU - 0.82 AU

Year: 469 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 108.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,757,135 km

• M1: 119,379 km (0.116 R)
• M2: 420,968 km (0.099 R)
• M3: 780,153 km (0.1 R)
• M4: 1,131,259 km (0.104 R)
• M5: 1,693,149 km (0.096 R)
• M6: 2,104,692 km (0.076 R)
• M7: 2,572,186 km (0.048 R)
• M8: 3,004,075 km (0.09 R)
• M9: 3,359,220 km (0.091 R)
• M10: 3,876,829 km (0.086 R)
• M11: 4,241,100 km (0.054 R)
• M12: 4,551,964 km (0.071 R)
• M13: 4,909,802 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 8.5

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.77 AU - 0.93 AU

Year: 514 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,757,135 km

• M1: 105,766 km (0.055 R)
• M2: 443,258 km (0.103 R)
• M3: 747,840 km (0.11 R)
• M4: 1,165,667 km (0.066 R)
• M5: 1,565,392 km (0.094 R)
• M6: 2,258,629 km (0.107 R)
• M7: 3,215,157 km (0.104 R)
• M8: 3,770,914 km (0.116 R)
• M9: 4,434,978 km (0.045 R)
• M10: 5,363,383 km (0.111 R)
• M11: 5,882,787 km (0.078 R)
• M12: 6,164,479 km (0.113 R)
• M13: 7,022,124 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.1

Radius: 10.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.21 AU - 1.21 AU

Year: 873 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,757,135 km

• M1: 129,402 km (0.11 R)
• M2: 575,503 km (0.088 R)
• M3: 1,420,282 km (0.045 R)
• M4: 2,100,504 km (0.1 R)
• M5: 2,474,050 km (0.115 R)
• M6: 3,006,468 km (0.098 R)
• M7: 3,947,289 km (0.112 R)
• M8: 4,894,543 km (0.116 R)
• M9: 5,272,876 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.5

Radius: 8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.1 AU - 1.6 AU

Year: 1029 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,757,135 km

• M1: 101,278 km (0.086 R)
• M2: 437,873 km (0.095 R)
• M3: 752,028 km (0.109 R)
• M4: 1,314,367 km (0.069 R)
• M5: 2,286,005 km (0.107 R)
• M6: 4,288,522 km (0.063 R)
• M7: 6,638,106 km (0.031 R)
• M8: 6,903,493 km (0.095 R)
• M9: 7,502,782 km (0.107 R)
• M10: 8,211,726 km (0.09 R)
• M11: 8,937,725 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 11.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.75 AU - 2.87 AU

Year: 3090 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,757,135 km

• M1: 143,016 km (0.111 R)
• M2: 642,074 km (0.071 R)
• M3: 1,037,611 km (0.106 R)
• M4: 1,663,229 km (0.052 R)
• M5: 2,113,369 km (0.055 R)
• M6: 3,063,166 km (0.059 R)
• M7: 3,454,664 km (0.118 R)
• M8: 3,822,226 km (0.1 R)
• M9: 5,109,515 km (0.084 R)
• M10: 5,539,759 km (0.062 R)
• M11: 7,478,697 km (0.113 R)
• M12: 9,943,322 km (0.104 R)
• M13: 10,578,215 km (0.086 R)
• M14: 11,642,005 km (0.09 R)
• M15: 12,474,966 km (0.104 R)
• M16: 13,981,567 km (0.113 R)
• M17: 17,035,906 km (0.117 R)
• M18: 18,774,682 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 12.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.95 AU - 3.53 AU

Year: 3826 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,757,135 km

• M1: 155,881 km (0.096 R)
• M2: 685,158 km (0.1 R)
• M3: 1,097,600 km (0.109 R)
• M4: 2,743,775 km (0.118 R)
• M5: 3,482,190 km (0.107 R)
• M6: 4,030,316 km (0.095 R)
• M7: 4,514,565 km (0.095 R)
• M8: 5,712,843 km (0.107 R)
• M9: 6,146,378 km (0.082 R)
• M10: 6,758,682 km (0.066 R)
• M11: 7,344,208 km (0.118 R)
• M12: 8,213,372 km (0.098 R)
• M13: 8,880,728 km (0.026 R)
• M14: 10,156,199 km (0.105 R)
• M15: 11,234,950 km (0.076 R)
• M16: 11,687,184 km (0.044 R)
• M17: 12,436,221 km (0.064 R)
• M18: 13,068,272 km (0.099 R)
• M19: 15,257,337 km (0.111 R)
• M20: 15,981,840 km (0.099 R)
• M21: 16,729,081 km (0.105 R)
• M22: 17,924,069 km (0.108 R)
• M23: 21,990,887 km (0.098 R)
• M24: 24,918,667 km (0.085 R)
• M25: 25,845,426 km (0.106 R)
• M26: 26,635,153 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 14.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.93 AU - 3.59 AU

Year: 3861 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 144.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,757,135 km

• M1: 179,368 km (0.099 R)
• M2: 631,004 km (0.103 R)
• M3: 1,106,725 km (0.107 R)
• M4: 1,698,235 km (0.117 R)
• M5: 2,531,495 km (0.117 R)
• M6: 3,222,488 km (0.109 R)
• M7: 3,837,784 km (0.054 R)
• M8: 5,388,366 km (0.107 R)
• M9: 9,445,310 km (0.043 R)
• M10: 9,981,320 km (0.084 R)
• M11: 10,450,758 km (0.089 R)
• M12: 11,114,673 km (0.075 R)
• M13: 12,043,526 km (0.063 R)
• M14: 13,793,073 km (0.099 R)
• M15: 14,538,370 km (0.063 R)
• M16: 15,366,693 km (0.097 R)
• M17: 15,878,468 km (0.107 R)
• M18: 16,343,119 km (0.109 R)
• M19: 19,062,808 km (0.062 R)
• M20: 23,165,978 km (0.101 R)
• M21: 23,915,613 km (0.118 R)
• M22: 27,490,254 km (0.071 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 13,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit