🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 11.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.15 AU - 1.23 AU

Year: 838 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,705,502 km

• M1: 148,102 km (0.072 R)
• M2: 1,082,191 km (0.103 R)
• M3: 1,530,237 km (0.101 R)
• M4: 2,005,659 km (0.054 R)
• M5: 2,456,397 km (0.116 R)
• M6: 3,438,208 km (0.116 R)
• M7: 3,813,549 km (0.082 R)
• M8: 4,786,533 km (0.045 R)
• M9: 5,797,366 km (0.071 R)
• M10: 6,503,618 km (0.093 R)
• M11: 7,501,884 km (0.107 R)
• M12: 8,443,902 km (0.112 R)
• M13: 9,187,104 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 12.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.62 AU - 2.14 AU

Year: 1664 Days

Day: 11.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,705,502 km

• M1: 150,495 km (0.029 R)
• M2: 977,472 km (0.074 R)
• M3: 1,459,626 km (0.115 R)
• M4: 2,220,032 km (0.113 R)
• M5: 2,710,713 km (0.11 R)
• M6: 4,080,731 km (0.105 R)
• M7: 4,486,440 km (0.025 R)
• M8: 4,997,167 km (0.086 R)
• M9: 6,528,002 km (0.053 R)
• M10: 7,312,194 km (0.077 R)
• M11: 8,295,950 km (0.048 R)
• M12: 9,038,554 km (0.08 R)
• M13: 9,825,139 km (0.096 R)
• M14: 10,428,318 km (0.098 R)
• M15: 10,921,841 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 10.9

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.18 AU - 2.76 AU

Year: 2506 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,705,502 km

• M1: 135,835 km (0.112 R)
• M2: 484,996 km (0.069 R)
• M3: 856,597 km (0.117 R)
• M4: 1,683,425 km (0.086 R)
• M5: 2,460,287 km (0.059 R)
• M6: 3,162,948 km (0.072 R)
• M7: 3,915,275 km (0.076 R)
• M8: 4,494,668 km (0.1 R)
• M9: 5,520,311 km (0.085 R)
• M10: 6,497,933 km (0.108 R)
• M11: 7,556,338 km (0.068 R)
• M12: 10,353,220 km (0.113 R)
• M13: 10,937,998 km (0.106 R)
• M14: 13,092,656 km (0.05 R)
• M15: 13,500,310 km (0.115 R)
• M16: 13,963,316 km (0.052 R)
• M17: 15,316,129 km (0.092 R)
• M18: 15,973,163 km (0.117 R)
• M19: 17,452,088 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 12.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.43 AU - 5.15 AU

Year: 6769 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,705,502 km

• M1: 160,967 km (0.097 R)
• M2: 594,203 km (0.11 R)
• M3: 1,194,389 km (0.025 R)
• M4: 1,878,201 km (0.041 R)
• M5: 3,329,001 km (0.08 R)
• M6: 3,828,509 km (0.118 R)
• M7: 4,835,901 km (0.098 R)
• M8: 5,479,321 km (0.039 R)
• M9: 7,467,327 km (0.113 R)
• M10: 13,757,020 km (0.1 R)
• M11: 19,665,089 km (0.115 R)
• M12: 21,435,281 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 15

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.27 AU - 5.53 AU

Year: 7003 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,705,502 km

• M1: 186,698 km (0.09 R)
• M2: 702,212 km (0.113 R)
• M3: 1,178,682 km (0.096 R)
• M4: 1,941,780 km (0.094 R)
• M5: 2,473,302 km (0.038 R)
• M6: 3,164,893 km (0.038 R)
• M7: 3,983,492 km (0.105 R)
• M8: 4,659,674 km (0.096 R)
• M9: 5,172,047 km (0.071 R)
• M10: 6,243,916 km (0.079 R)
• M11: 6,833,032 km (0.037 R)
• M12: 7,421,251 km (0.116 R)
• M13: 9,436,783 km (0.052 R)
• M14: 10,074,519 km (0.094 R)
• M15: 11,589,497 km (0.046 R)
• M16: 14,524,756 km (0.066 R)
• M17: 15,941,149 km (0.078 R)
• M18: 18,691,955 km (0.07 R)
• M19: 23,185,875 km (0.085 R)
• M20: 23,679,847 km (0.118 R)
• M21: 24,180,850 km (0.116 R)
• M22: 26,793,128 km (0.069 R)
• M23: 28,167,484 km (0.098 R)
• M24: 29,204,945 km (0.04 R)
• M25: 35,971,855 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.8

Radius: 7.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.31 AU - 6.83 AU

Year: 10873 Days

Day: 20.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,705,502 km

• M1: 98,884 km (0.104 R)
• M2: 380,727 km (0.072 R)
• M3: 930,499 km (0.098 R)
• M4: 1,998,179 km (0.033 R)
• M5: 3,608,151 km (0.117 R)
• M6: 5,809,783 km (0.109 R)
• M7: 7,569,054 km (0.076 R)
• M8: 15,174,460 km (0.1 R)
• M9: 16,304,822 km (0.099 R)
• M10: 18,311,677 km (0.09 R)
• M11: 29,591,955 km (0.116 R)
• M12: 35,725,767 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 3.8

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.14 AU - 10.9 AU

Year: 22031 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,705,502 km

• M1: 62,981 km (0.108 R)
• M2: 712,235 km (0.069 R)
• M3: 1,147,116 km (0.114 R)
• M4: 2,331,034 km (0.06 R)
• M5: 2,640,103 km (0.115 R)
• M6: 3,094,133 km (0.067 R)
• M7: 4,272,814 km (0.099 R)
• M8: 12,761,297 km (0.083 R)
• M9: 13,584,683 km (0.116 R)
• M10: 16,932,085 km (0.117 R)
• M11: 21,310,217 km (0.101 R)
• M12: 21,838,896 km (0.119 R)
• M13: 22,016,917 km (0.111 R)
• M14: 22,376,102 km (0.113 R)
• M15: 26,487,500 km (0.057 R)
• M16: 35,792,188 km (0.084 R)
• M17: 40,159,399 km (0.042 R)
• M18: 41,236,055 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 16,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit