🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 12

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 5.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,359,645 km

• M1: 149,747 km (0.103 R)
• M2: 575,802 km (0.11 R)
• M3: 1,114,355 km (0.116 R)
• M4: 1,664,875 km (0.072 R)
• M5: 2,077,466 km (0.048 R)
• M6: 2,455,200 km (0.12 R)
• M7: 2,870,484 km (0.098 R)
• M8: 3,255,549 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 11.3

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 14.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,359,645 km

• M1: 140,772 km (0.097 R)
• M2: 526,285 km (0.099 R)
• M3: 978,669 km (0.111 R)
• M4: 1,339,649 km (0.087 R)
• M5: 1,770,192 km (0.082 R)
• M6: 2,498,733 km (0.102 R)
• M7: 3,193,167 km (0.09 R)
• M8: 3,556,839 km (0.028 R)
• M9: 3,973,619 km (0.073 R)
• M10: 4,731,930 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.6

Radius: 13.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.21 AU - 1.33 AU

Year: 954 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,359,645 km

• M1: 164,258 km (0.108 R)
• M2: 596,746 km (0.107 R)
• M3: 1,017,266 km (0.037 R)
• M4: 1,570,179 km (0.085 R)
• M5: 2,059,663 km (0.115 R)
• M6: 3,723,042 km (0.098 R)
• M7: 4,398,177 km (0.068 R)
• M8: 5,065,533 km (0.034 R)
• M9: 5,647,320 km (0.116 R)
• M10: 6,112,569 km (0.105 R)
• M11: 6,603,549 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.9

Radius: 11.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.08 AU - 1.78 AU

Year: 1140 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,359,645 km

• M1: 139,276 km (0.111 R)
• M2: 492,327 km (0.041 R)
• M3: 864,227 km (0.049 R)
• M4: 1,327,232 km (0.1 R)
• M5: 1,719,478 km (0.067 R)
• M6: 2,105,740 km (0.048 R)
• M7: 3,070,795 km (0.11 R)
• M8: 3,976,012 km (0.114 R)
• M9: 4,482,551 km (0.083 R)
• M10: 5,322,842 km (0.093 R)
• M11: 5,749,495 km (0.059 R)
• M12: 6,764,517 km (0.119 R)
• M13: 7,843,566 km (0.08 R)
• M14: 8,289,966 km (0.057 R)
• M15: 8,781,096 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 14.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.19 AU - 1.81 AU

Year: 1225 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,359,645 km

• M1: 184,005 km (0.116 R)
• M2: 664,215 km (0.058 R)
• M3: 1,176,737 km (0.116 R)
• M4: 1,670,709 km (0.117 R)
• M5: 2,222,127 km (0.096 R)
• M6: 2,796,583 km (0.117 R)
• M7: 3,628,945 km (0.115 R)
• M8: 4,136,531 km (0.105 R)
• M9: 4,674,036 km (0.072 R)
• M10: 6,355,067 km (0.107 R)
• M11: 8,649,150 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 12.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.95 AU - 4.75 AU

Year: 5038 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,359,645 km

• M1: 158,125 km (0.086 R)
• M2: 645,216 km (0.082 R)
• M3: 1,230,143 km (0.059 R)
• M4: 1,962,126 km (0.093 R)
• M5: 2,818,125 km (0.052 R)
• M6: 3,231,912 km (0.116 R)
• M7: 3,888,647 km (0.072 R)
• M8: 4,749,882 km (0.074 R)
• M9: 5,842,694 km (0.103 R)
• M10: 6,699,890 km (0.114 R)
• M11: 8,004,683 km (0.087 R)
• M12: 9,025,539 km (0.102 R)
• M13: 9,701,572 km (0.113 R)
• M14: 10,330,631 km (0.071 R)
• M15: 10,944,879 km (0.12 R)
• M16: 11,889,889 km (0.032 R)
• M17: 13,504,349 km (0.038 R)
• M18: 16,827,217 km (0.027 R)
• M19: 21,242,449 km (0.115 R)
• M20: 21,769,033 km (0.054 R)
• M21: 22,575,216 km (0.106 R)
• M22: 22,985,713 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 13.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.59 AU - 4.39 AU

Year: 5315 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,359,645 km

• M1: 163,062 km (0.101 R)
• M2: 649,404 km (0.101 R)
• M3: 1,522,009 km (0.083 R)
• M4: 2,483,773 km (0.116 R)
• M5: 4,536,107 km (0.065 R)
• M6: 5,314,464 km (0.091 R)
• M7: 6,646,783 km (0.1 R)
• M8: 7,318,328 km (0.104 R)
• M9: 7,880,068 km (0.087 R)
• M10: 9,918,339 km (0.111 R)
• M11: 12,080,776 km (0.026 R)
• M12: 12,866,913 km (0.106 R)
• M13: 14,024,501 km (0.11 R)
• M14: 14,541,362 km (0.119 R)
• M15: 15,011,548 km (0.096 R)
• M16: 15,920,355 km (0.116 R)
• M17: 18,048,834 km (0.102 R)
• M18: 19,076,571 km (0.045 R)
• M19: 22,471,994 km (0.1 R)
• M20: 23,180,639 km (0.119 R)
• M21: 26,078,798 km (0.092 R)
• M22: 29,490,228 km (0.09 R)
• M23: 30,339,645 km (0.094 R)
• M24: 31,791,791 km (0.103 R)
• M25: 33,493,018 km (0.116 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: 218 - 14,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit