🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 8.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.64 AU - 0.88 AU

Year: 457 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,143,769 km

• M1: 114,742 km (0.115 R)
• M2: 820,395 km (0.066 R)
• M3: 1,329,027 km (0.08 R)
• M4: 1,712,896 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 13.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.76 AU - 1.26 AU

Year: 701 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 99.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,143,769 km

• M1: 175,478 km (0.071 R)
• M2: 998,416 km (0.108 R)
• M3: 1,815,071 km (0.087 R)
• M4: 2,752,750 km (0.059 R)
• M5: 3,190,773 km (0.062 R)
• M6: 3,979,752 km (0.092 R)
• M7: 4,598,639 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 13.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.3 AU - 1.6 AU

Year: 1205 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,143,769 km

• M1: 164,408 km (0.107 R)
• M2: 777,909 km (0.077 R)
• M3: 1,253,630 km (0.1 R)
• M4: 1,852,171 km (0.084 R)
• M5: 2,566,052 km (0.064 R)
• M6: 4,528,178 km (0.059 R)
• M7: 5,324,787 km (0.094 R)
• M8: 6,019,370 km (0.118 R)
• M9: 6,727,416 km (0.088 R)
• M10: 7,791,057 km (0.038 R)
• M11: 8,416,975 km (0.065 R)
• M12: 9,076,103 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.9

Radius: 5.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.94 AU - 8.02 AU

Year: 11386 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,143,769 km

• M1: 67,319 km (0.078 R)
• M2: 318,943 km (0.104 R)
• M3: 921,074 km (0.057 R)
• M4: 1,222,364 km (0.077 R)
• M5: 1,948,961 km (0.09 R)
• M6: 3,625,953 km (0.119 R)
• M7: 4,351,353 km (0.099 R)
• M8: 7,035,139 km (0.09 R)
• M9: 7,491,712 km (0.119 R)
• M10: 8,502,993 km (0.073 R)
• M11: 9,944,967 km (0.071 R)
• M12: 14,666,725 km (0.111 R)
• M13: 16,604,316 km (0.062 R)
• M14: 20,342,019 km (0.053 R)
• M15: 24,683,948 km (0.103 R)
• M16: 27,239,977 km (0.101 R)
• M17: 29,068,362 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.3

Radius: 7.8

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.37 AU - 8.93 AU

Year: 16060 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,143,769 km

• M1: 96,939 km (0.075 R)
• M2: 347,815 km (0.089 R)
• M3: 818,300 km (0.064 R)
• M4: 1,620,743 km (0.114 R)
• M5: 3,436,413 km (0.084 R)
• M6: 6,781,271 km (0.071 R)
• M7: 7,979,999 km (0.067 R)
• M8: 8,375,686 km (0.079 R)
• M9: 10,378,801 km (0.099 R)
• M10: 11,152,521 km (0.099 R)
• M11: 13,774,972 km (0.071 R)
• M12: 14,417,196 km (0.105 R)
• M13: 18,524,256 km (0.036 R)
• M14: 19,750,509 km (0.102 R)
• M15: 22,073,166 km (0.035 R)
• M16: 22,952,053 km (0.041 R)
• M17: 23,250,202 km (0.049 R)
• M18: 25,409,797 km (0.025 R)
• M19: 28,607,152 km (0.112 R)
• M20: 29,068,213 km (0.086 R)
• M21: 30,962,271 km (0.053 R)
• M22: 33,443,502 km (0.112 R)
• M23: 35,787,401 km (0.118 R)
• M24: 37,409,341 km (0.045 R)
• M25: 37,822,381 km (0.077 R)
• M26: 45,787,420 km (0.071 R)
• M27: 47,215,182 km (0.103 R)
• M28: 53,050,098 km (0.088 R)
• M29: 60,475,089 km (0.118 R)
• M30: 60,854,020 km (0.047 R)
• M31: 62,000,389 km (0.08 R)
• M32: 67,540,746 km (0.085 R)
• M33: 67,948,699 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.8

Radius: 4.3

Gravity: 42.71 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.94 AU - 9.12 AU

Year: 17196 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,143,769 km

• M1: 53,556 km (0.116 R)
• M2: 255,513 km (0.1 R)
• M3: 502,499 km (0.097 R)
• M4: 647,609 km (0.064 R)
• M5: 1,488,200 km (0.05 R)
• M6: 1,757,625 km (0.106 R)
• M7: 1,942,080 km (0.117 R)
• M8: 2,371,725 km (0.092 R)
• M9: 2,574,131 km (0.086 R)
• M10: 3,885,655 km (0.086 R)
• M11: 4,040,489 km (0.07 R)
• M12: 4,395,933 km (0.081 R)
• M13: 5,243,405 km (0.04 R)
• M14: 5,471,093 km (0.116 R)
• M15: 5,785,099 km (0.106 R)
• M16: 7,585,958 km (0.106 R)
• M17: 8,328,861 km (0.087 R)
• M18: 9,843,091 km (0.118 R)
• M19: 10,073,472 km (0.069 R)
• M20: 12,047,565 km (0.098 R)
• M21: 13,194,383 km (0.099 R)
• M22: 14,412,109 km (0.097 R)
• M23: 14,560,211 km (0.12 R)
• M24: 14,709,211 km (0.049 R)
• M25: 16,497,204 km (0.111 R)
• M26: 19,760,084 km (0.09 R)
• M27: 22,821,155 km (0.088 R)
• M28: 24,886,503 km (0.089 R)
• M29: 25,099,680 km (0.051 R)
• M30: 27,525,559 km (0.075 R)
• M31: 29,029,916 km (0.069 R)
• M32: 30,710,498 km (0.053 R)
• M33: 30,955,839 km (0.093 R)
• M34: 35,327,537 km (0.114 R)
• M35: 36,139,405 km (0.109 R)
• M36: 47,525,149 km (0.078 R)
• M37: 49,853,939 km (0.1 R)
• M38: 59,169,399 km (0.114 R)
• M39: 71,712,133 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 14,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit