🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.4

Radius: 10.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,409,896 km

• M1: 127,158 km (0.112 R)
• M2: 590,912 km (0.098 R)
• M3: 932,892 km (0.04 R)
• M4: 1,539,811 km (0.09 R)
• M5: 1,897,499 km (0.079 R)
• M6: 2,338,514 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 12

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 5.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,409,896 km

• M1: 149,299 km (0.056 R)
• M2: 619,634 km (0.115 R)
• M3: 1,066,034 km (0.072 R)
• M4: 1,867,281 km (0.031 R)
• M5: 2,379,803 km (0.064 R)
• M6: 2,926,134 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.2

Radius: 13.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.61 AU - 0.63 AU

Year: 326 Days

Day: 5.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,409,896 km

• M1: 174,581 km (0.079 R)
• M2: 707,149 km (0.064 R)
• M3: 1,220,419 km (0.078 R)
• M4: 1,762,413 km (0.108 R)
• M5: 2,258,778 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.4

Radius: 9.6

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.14 AU - 1.48 AU

Year: 1000 Days

Day: 10.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,409,896 km

• M1: 120,127 km (0.078 R)
• M2: 477,666 km (0.114 R)
• M3: 791,672 km (0.076 R)
• M4: 1,250,040 km (0.108 R)
• M5: 1,784,254 km (0.083 R)
• M6: 2,891,428 km (0.101 R)
• M7: 4,127,405 km (0.052 R)
• M8: 4,788,329 km (0.096 R)
• M9: 5,435,639 km (0.113 R)
• M10: 6,784,862 km (0.117 R)
• M11: 8,263,188 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 9.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.17 AU - 1.81 AU

Year: 1213 Days

Day: 11.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,409,896 km

• M1: 121,922 km (0.037 R)
• M2: 594,203 km (0.118 R)
• M3: 920,924 km (0.09 R)
• M4: 1,637,648 km (0.115 R)
• M5: 2,633,072 km (0.089 R)
• M6: 3,139,461 km (0.068 R)
• M7: 3,681,155 km (0.083 R)
• M8: 4,576,348 km (0.118 R)
• M9: 5,164,866 km (0.036 R)
• M10: 5,496,525 km (0.115 R)
• M11: 6,409,222 km (0.115 R)
• M12: 7,169,029 km (0.115 R)
• M13: 8,158,769 km (0.108 R)
• M14: 8,635,238 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 9.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.62 AU - 3.46 AU

Year: 3535 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,409,896 km

• M1: 113,994 km (0.092 R)
• M2: 522,097 km (0.072 R)
• M3: 1,279,211 km (0.114 R)
• M4: 1,858,305 km (0.105 R)
• M5: 2,442,484 km (0.114 R)
• M6: 2,872,130 km (0.103 R)
• M7: 3,500,590 km (0.109 R)
• M8: 3,847,807 km (0.089 R)
• M9: 4,314,103 km (0.039 R)
• M10: 4,734,623 km (0.089 R)
• M11: 5,966,711 km (0.037 R)
• M12: 6,261,868 km (0.104 R)
• M13: 7,683,945 km (0.061 R)
• M14: 8,578,391 km (0.089 R)
• M15: 9,408,509 km (0.1 R)
• M16: 9,775,323 km (0.079 R)
• M17: 12,298,890 km (0.116 R)
• M18: 13,689,552 km (0.101 R)
• M19: 15,091,433 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.2

Radius: 5.9

Gravity: 27.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.52 AU - 6.82 AU

Year: 10220 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,409,896 km

• M1: 73,303 km (0.103 R)
• M2: 264,190 km (0.059 R)
• M3: 476,320 km (0.112 R)
• M4: 717,322 km (0.096 R)
• M5: 984,952 km (0.099 R)
• M6: 1,228,199 km (0.116 R)
• M7: 2,324,153 km (0.101 R)
• M8: 2,651,024 km (0.111 R)
• M9: 3,126,147 km (0.072 R)
• M10: 4,545,980 km (0.104 R)
• M11: 4,893,945 km (0.062 R)
• M12: 5,225,454 km (0.04 R)
• M13: 7,801,978 km (0.094 R)
• M14: 8,581,981 km (0.089 R)
• M15: 9,163,019 km (0.111 R)
• M16: 11,519,036 km (0.092 R)
• M17: 12,046,369 km (0.076 R)
• M18: 12,285,875 km (0.07 R)
• M19: 12,650,894 km (0.102 R)
• M20: 13,086,074 km (0.118 R)
• M21: 14,118,000 km (0.118 R)
• M22: 15,272,746 km (0.119 R)
• M23: 15,482,781 km (0.103 R)
• M24: 17,691,594 km (0.084 R)
• M25: 19,194,155 km (0.078 R)
• M26: 20,269,913 km (0.079 R)
• M27: 21,736,720 km (0.104 R)
• M28: 27,067,341 km (0.089 R)
• M29: 28,313,043 km (0.062 R)
• M30: 34,154,391 km (0.108 R)
• M31: 35,485,213 km (0.055 R)
• M32: 39,552,779 km (0.036 R)
• M33: 42,799,801 km (0.085 R)
• M34: 44,630,730 km (0.08 R)
• M35: 46,807,379 km (0.099 R)
• M36: 47,548,486 km (0.036 R)
• M37: 49,664,847 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit