🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 11.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 14 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,875,218 km

• M1: 147,952 km (0.114 R)
• M2: 571,913 km (0.092 R)
• M3: 1,238,970 km (0.101 R)
• M4: 1,750,445 km (0.065 R)
• M5: 2,268,652 km (0.115 R)
• M6: 2,727,768 km (0.077 R)
• M7: 3,228,023 km (0.094 R)
• M8: 3,754,458 km (0.107 R)
• M9: 4,173,781 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 9.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.63 AU - 0.99 AU

Year: 494 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,875,218 km

• M1: 121,174 km (0.12 R)
• M2: 484,996 km (0.079 R)
• M3: 787,483 km (0.1 R)
• M4: 1,155,045 km (0.085 R)
• M5: 1,720,076 km (0.075 R)
• M6: 2,111,724 km (0.111 R)
• M7: 2,511,299 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 14.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.95 AU - 0.97 AU

Year: 638 Days

Day: 8.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,875,218 km

• M1: 176,525 km (0.11 R)
• M2: 640,877 km (0.081 R)
• M3: 1,247,347 km (0.104 R)
• M4: 1,723,367 km (0.044 R)
• M5: 2,394,464 km (0.102 R)
• M6: 3,072,740 km (0.099 R)
• M7: 3,580,475 km (0.071 R)
• M8: 4,023,884 km (0.084 R)
• M9: 4,472,228 km (0.103 R)
• M10: 5,525,996 km (0.102 R)
• M11: 8,343,073 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.4

Radius: 9.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.01 AU - 1.11 AU

Year: 740 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,875,218 km

• M1: 123,119 km (0.102 R)
• M2: 457,919 km (0.036 R)
• M3: 1,626,578 km (0.072 R)
• M4: 2,069,836 km (0.041 R)
• M5: 2,525,362 km (0.119 R)
• M6: 3,009,311 km (0.071 R)
• M7: 3,361,015 km (0.117 R)
• M8: 4,258,303 km (0.053 R)
• M9: 4,806,430 km (0.051 R)
• M10: 5,289,332 km (0.057 R)
• M11: 7,227,522 km (0.104 R)
• M12: 7,552,149 km (0.108 R)
• M13: 8,406,652 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.5

Radius: 11.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.39 AU - 1.47 AU

Year: 1160 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,875,218 km

• M1: 140,472 km (0.107 R)
• M2: 546,331 km (0.084 R)
• M3: 913,295 km (0.116 R)
• M4: 1,559,707 km (0.098 R)
• M5: 2,320,712 km (0.078 R)
• M6: 2,863,453 km (0.052 R)
• M7: 3,371,936 km (0.098 R)
• M8: 4,324,725 km (0.055 R)
• M9: 4,716,222 km (0.12 R)
• M10: 5,092,611 km (0.1 R)
• M11: 5,674,247 km (0.086 R)
• M12: 6,322,156 km (0.116 R)
• M13: 6,851,732 km (0.101 R)
• M14: 7,286,613 km (0.077 R)
• M15: 7,817,386 km (0.119 R)
• M16: 9,214,182 km (0.058 R)
• M17: 10,017,821 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.4

Radius: 10.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.91 AU - 1.93 AU

Year: 1804 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,875,218 km

• M1: 129,402 km (0.088 R)
• M2: 647,908 km (0.119 R)
• M3: 1,206,956 km (0.101 R)
• M4: 1,743,713 km (0.112 R)
• M5: 2,814,684 km (0.101 R)
• M6: 3,560,429 km (0.103 R)
• M7: 5,154,245 km (0.098 R)
• M8: 5,531,980 km (0.036 R)
• M9: 6,170,314 km (0.099 R)
• M10: 6,856,968 km (0.085 R)
• M11: 7,537,339 km (0.034 R)
• M12: 9,750,041 km (0.116 R)
• M13: 11,187,378 km (0.079 R)
• M14: 12,325,219 km (0.106 R)
• M15: 13,166,408 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 12.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.82 AU - 6.24 AU

Year: 7651 Days

Day: 7.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,875,218 km

• M1: 156,779 km (0.074 R)
• M2: 800,797 km (0.058 R)
• M3: 1,225,955 km (0.078 R)
• M4: 1,609,972 km (0.094 R)
• M5: 2,245,913 km (0.048 R)
• M6: 3,024,420 km (0.118 R)
• M7: 3,564,319 km (0.111 R)
• M8: 4,494,818 km (0.083 R)
• M9: 6,201,879 km (0.118 R)
• M10: 6,731,605 km (0.056 R)
• M11: 8,227,883 km (0.092 R)
• M12: 10,069,133 km (0.103 R)
• M13: 11,086,249 km (0.063 R)
• M14: 12,478,557 km (0.097 R)
• M15: 13,270,678 km (0.113 R)
• M16: 14,096,159 km (0.104 R)
• M17: 16,841,878 km (0.078 R)
• M18: 18,882,094 km (0.106 R)
• M19: 20,139,763 km (0.07 R)
• M20: 20,862,171 km (0.11 R)
• M21: 25,148,150 km (0.118 R)
• M22: 26,411,803 km (0.108 R)
• M23: 28,072,639 km (0.079 R)
• M24: 29,248,328 km (0.111 R)
• M25: 30,456,780 km (0.099 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: 341 - 15,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit