🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.7

Radius: 8.2

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.8 AU

Year: 432 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,666,330 km

• M1: 102,026 km (0.087 R)
• M2: 498,909 km (0.056 R)
• M3: 812,616 km (0.062 R)
• M4: 1,116,748 km (0.1 R)
• M5: 1,489,995 km (0.095 R)
• M6: 1,789,191 km (0.064 R)
• M7: 2,066,096 km (0.079 R)
• M8: 2,750,656 km (0.085 R)
• M9: 3,145,594 km (0.116 R)
• M10: 3,463,191 km (0.102 R)
• M11: 3,748,474 km (0.066 R)
• M12: 4,396,382 km (0.051 R)
• M13: 4,731,631 km (0.028 R)
• M14: 5,100,390 km (0.103 R)
• M15: 6,005,008 km (0.094 R)
• M16: 6,457,093 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 13.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.81 AU - 0.97 AU

Year: 569 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,666,330 km

• M1: 165,455 km (0.1 R)
• M2: 600,486 km (0.12 R)
• M3: 1,102,836 km (0.079 R)
• M4: 1,695,542 km (0.088 R)
• M5: 2,151,217 km (0.038 R)
• M6: 2,656,409 km (0.074 R)
• M7: 3,303,869 km (0.104 R)
• M8: 4,416,877 km (0.102 R)
• M9: 4,850,262 km (0.062 R)
• M10: 5,436,686 km (0.102 R)
• M11: 6,206,516 km (0.08 R)
• M12: 6,814,931 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 13.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.79 AU - 1.17 AU

Year: 658 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,666,330 km

• M1: 167,849 km (0.091 R)
• M2: 618,737 km (0.089 R)
• M3: 1,379,891 km (0.114 R)
• M4: 1,806,245 km (0.092 R)
• M5: 2,572,036 km (0.098 R)
• M6: 3,138,863 km (0.118 R)
• M7: 3,853,940 km (0.097 R)
• M8: 4,782,345 km (0.098 R)
• M9: 6,160,440 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.1

Radius: 13.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.22 AU - 2.4 AU

Year: 2381 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,666,330 km

• M1: 170,392 km (0.066 R)
• M2: 729,439 km (0.076 R)
• M3: 1,575,266 km (0.033 R)
• M4: 2,614,522 km (0.098 R)
• M5: 3,183,293 km (0.058 R)
• M6: 3,682,052 km (0.062 R)
• M7: 4,748,984 km (0.034 R)
• M8: 6,780,523 km (0.069 R)
• M9: 7,862,864 km (0.051 R)
• M10: 9,141,028 km (0.118 R)
• M11: 9,712,791 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 8.1

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.96 AU - 2.92 AU

Year: 2585 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,666,330 km

• M1: 100,829 km (0.055 R)
• M2: 571,613 km (0.044 R)
• M3: 980,764 km (0.102 R)
• M4: 2,075,072 km (0.111 R)
• M5: 2,546,156 km (0.109 R)
• M6: 5,127,766 km (0.037 R)
• M7: 5,989,300 km (0.093 R)
• M8: 6,778,130 km (0.075 R)
• M9: 8,275,455 km (0.106 R)
• M10: 10,268,847 km (0.1 R)
• M11: 10,897,906 km (0.103 R)
• M12: 11,989,970 km (0.078 R)
• M13: 13,153,094 km (0.039 R)
• M14: 13,806,387 km (0.095 R)
• M15: 14,526,701 km (0.077 R)
• M16: 16,990,728 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.9

Radius: 13.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.74 AU - 4.34 AU

Year: 4517 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,666,330 km

• M1: 167,849 km (0.108 R)
• M2: 639,830 km (0.063 R)
• M3: 1,907,522 km (0.08 R)
• M4: 2,891,727 km (0.118 R)
• M5: 3,378,967 km (0.06 R)
• M6: 5,050,275 km (0.063 R)
• M7: 6,024,157 km (0.088 R)
• M8: 9,460,719 km (0.045 R)
• M9: 12,517,303 km (0.082 R)
• M10: 13,565,236 km (0.116 R)
• M11: 14,137,148 km (0.118 R)
• M12: 17,241,603 km (0.082 R)
• M13: 18,099,248 km (0.055 R)
• M14: 20,980,653 km (0.1 R)
• M15: 25,777,957 km (0.037 R)
• M16: 26,899,492 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 12.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.85 AU - 3.87 AU

Year: 5144 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,666,330 km

• M1: 151,692 km (0.114 R)
• M2: 550,371 km (0.119 R)
• M3: 1,372,112 km (0.099 R)
• M4: 1,910,215 km (0.115 R)
• M5: 3,227,574 km (0.051 R)
• M6: 4,560,940 km (0.113 R)
• M7: 7,062,067 km (0.072 R)
• M8: 8,754,019 km (0.053 R)
• M9: 15,600,664 km (0.088 R)
• M10: 16,493,913 km (0.075 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: 199 - 10,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit