🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 10.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.45 AU - 0.67 AU

Year: 279 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,929,534 km

• M1: 130,599 km (0.094 R)
• M2: 478,713 km (0.109 R)
• M3: 843,582 km (0.113 R)
• M4: 1,213,837 km (0.054 R)
• M5: 1,550,881 km (0.108 R)
• M6: 1,914,105 km (0.091 R)
• M7: 2,495,442 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 14.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 6 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,929,534 km

• M1: 185,352 km (0.071 R)
• M2: 818,450 km (0.116 R)
• M3: 1,292,376 km (0.043 R)
• M4: 2,144,485 km (0.05 R)
• M5: 3,958,808 km (0.115 R)
• M6: 5,041,448 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.8

Radius: 9.1

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.77 AU - 0.87 AU

Year: 495 Days

Day: 9.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,929,534 km

• M1: 113,246 km (0.082 R)
• M2: 458,517 km (0.106 R)
• M3: 998,267 km (0.111 R)
• M4: 1,323,193 km (0.114 R)
• M5: 1,883,886 km (0.115 R)
• M6: 2,219,733 km (0.1 R)
• M7: 2,605,247 km (0.087 R)
• M8: 3,089,196 km (0.12 R)
• M9: 3,393,777 km (0.051 R)
• M10: 4,360,928 km (0.115 R)
• M11: 4,849,065 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.2

Radius: 9.7

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.08 AU - 1.54 AU

Year: 1000 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,929,534 km

• M1: 125,662 km (0.102 R)
• M2: 438,471 km (0.081 R)
• M3: 747,391 km (0.07 R)
• M4: 1,162,525 km (0.051 R)
• M5: 1,497,475 km (0.116 R)
• M6: 1,849,778 km (0.048 R)
• M7: 2,182,035 km (0.106 R)
• M8: 3,199,749 km (0.066 R)
• M9: 3,606,505 km (0.063 R)
• M10: 3,918,118 km (0.065 R)
• M11: 4,471,780 km (0.112 R)
• M12: 5,756,227 km (0.034 R)
• M13: 6,563,307 km (0.068 R)
• M14: 6,887,785 km (0.085 R)
• M15: 8,840,187 km (0.099 R)
• M16: 10,403,186 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 10.5

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.25 AU - 1.71 AU

Year: 1201 Days

Day: 12.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,929,534 km

• M1: 130,599 km (0.079 R)
• M2: 508,483 km (0.108 R)
• M3: 880,084 km (0.071 R)
• M4: 1,414,149 km (0.054 R)
• M5: 2,089,733 km (0.086 R)
• M6: 3,286,216 km (0.117 R)
• M7: 3,756,552 km (0.112 R)
• M8: 4,325,323 km (0.051 R)
• M9: 4,678,374 km (0.085 R)
• M10: 5,010,481 km (0.095 R)
• M11: 5,613,810 km (0.098 R)
• M12: 5,989,450 km (0.083 R)
• M13: 6,548,647 km (0.099 R)
• M14: 7,690,677 km (0.109 R)
• M15: 8,465,444 km (0.111 R)
• M16: 8,931,142 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.4

Radius: 13.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.3 AU - 2.04 AU

Year: 1439 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,929,534 km

• M1: 164,109 km (0.116 R)
• M2: 897,438 km (0.104 R)
• M3: 1,431,203 km (0.094 R)
• M4: 1,850,526 km (0.093 R)
• M5: 2,529,700 km (0.067 R)
• M6: 2,985,674 km (0.048 R)
• M7: 4,731,631 km (0.055 R)
• M8: 5,585,984 km (0.03 R)
• M9: 6,475,344 km (0.065 R)
• M10: 9,126,218 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 9.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.18 AU - 3.68 AU

Year: 4236 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,929,534 km

• M1: 124,017 km (0.071 R)
• M2: 451,187 km (0.082 R)
• M3: 751,729 km (0.114 R)
• M4: 1,897,350 km (0.068 R)
• M5: 2,680,345 km (0.095 R)
• M6: 4,212,975 km (0.089 R)
• M7: 4,933,738 km (0.069 R)
• M8: 5,472,889 km (0.109 R)
• M9: 5,846,135 km (0.11 R)
• M10: 7,069,547 km (0.104 R)
• M11: 10,015,278 km (0.115 R)
• M12: 11,260,830 km (0.102 R)
• M13: 11,685,987 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 13.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.05 AU - 4.03 AU

Year: 4442 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,929,534 km

• M1: 163,062 km (0.078 R)
• M2: 600,635 km (0.103 R)
• M3: 1,023,399 km (0.105 R)
• M4: 1,795,922 km (0.09 R)
• M5: 2,401,495 km (0.12 R)
• M6: 2,915,064 km (0.115 R)
• M7: 3,891,041 km (0.11 R)
• M8: 5,799,909 km (0.05 R)
• M9: 7,192,067 km (0.072 R)
• M10: 7,857,179 km (0.055 R)
• M11: 9,102,731 km (0.119 R)
• M12: 9,991,343 km (0.083 R)
• M13: 12,233,366 km (0.102 R)
• M14: 14,133,708 km (0.091 R)
• M15: 15,970,620 km (0.072 R)
• M16: 16,946,596 km (0.111 R)
• M17: 18,960,782 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 8.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.88 AU - 5.86 AU

Year: 8298 Days

Day: 12 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,929,534 km

• M1: 109,506 km (0.102 R)
• M2: 443,857 km (0.116 R)
• M3: 856,747 km (0.108 R)
• M4: 1,232,686 km (0.06 R)
• M5: 1,731,446 km (0.118 R)
• M6: 2,107,834 km (0.108 R)
• M7: 2,944,684 km (0.118 R)
• M8: 3,438,956 km (0.052 R)
• M9: 4,191,583 km (0.052 R)
• M10: 4,789,376 km (0.106 R)
• M11: 6,324,699 km (0.117 R)
• M12: 7,037,084 km (0.067 R)
• M13: 9,496,323 km (0.112 R)
• M14: 9,770,087 km (0.078 R)
• M15: 10,096,211 km (0.108 R)
• M16: 12,477,958 km (0.119 R)
• M17: 13,254,222 km (0.118 R)
• M18: 14,003,557 km (0.112 R)
• M19: 14,598,957 km (0.068 R)
• M20: 15,460,790 km (0.115 R)
• M21: 17,353,203 km (0.11 R)
• M22: 18,249,594 km (0.083 R)
• M23: 21,047,224 km (0.118 R)
• M24: 21,592,059 km (0.078 R)
• M25: 22,872,617 km (0.103 R)
• M26: 26,474,186 km (0.04 R)
• M27: 28,127,242 km (0.095 R)
• M28: 28,409,234 km (0.099 R)
• M29: 33,603,422 km (0.056 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 17,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit