🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.3

Radius: 10

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 14 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,746,805 km

• M1: 125,213 km (0.056 R)
• M2: 481,406 km (0.096 R)
• M3: 814,112 km (0.039 R)
• M4: 1,195,287 km (0.115 R)
• M5: 1,617,602 km (0.066 R)
• M6: 1,948,363 km (0.095 R)
• M7: 2,266,857 km (0.109 R)
• M8: 2,730,760 km (0.056 R)
• M9: 3,331,694 km (0.115 R)
• M10: 4,191,732 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.7

Radius: 12.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.6 AU - 0.84 AU

Year: 414 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,746,805 km

• M1: 160,519 km (0.106 R)
• M2: 861,085 km (0.078 R)
• M3: 1,360,144 km (0.098 R)
• M4: 1,846,636 km (0.048 R)
• M5: 2,506,064 km (0.05 R)
• M6: 3,341,568 km (0.066 R)
• M7: 3,793,054 km (0.112 R)
• M8: 4,327,118 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 10.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.81 AU - 0.89 AU

Year: 532 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,746,805 km

• M1: 131,497 km (0.11 R)
• M2: 804,687 km (0.089 R)
• M3: 1,415,196 km (0.117 R)
• M4: 1,945,670 km (0.109 R)
• M5: 2,384,440 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.7

Radius: 10.1

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.09 AU - 1.29 AU

Year: 880 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,746,805 km

• M1: 125,812 km (0.09 R)
• M2: 474,076 km (0.047 R)
• M3: 794,963 km (0.074 R)
• M4: 1,206,656 km (0.102 R)
• M5: 1,602,792 km (0.081 R)
• M6: 2,005,359 km (0.101 R)
• M7: 2,498,284 km (0.048 R)
• M8: 2,965,030 km (0.117 R)
• M9: 3,402,454 km (0.039 R)
• M10: 3,774,055 km (0.103 R)
• M11: 4,390,847 km (0.036 R)
• M12: 4,741,654 km (0.118 R)
• M13: 5,460,322 km (0.072 R)
• M14: 6,099,105 km (0.075 R)
• M15: 6,879,258 km (0.07 R)
• M16: 8,369,552 km (0.093 R)
• M17: 8,856,044 km (0.095 R)
• M18: 9,190,695 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476

Radius: 14.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.38 AU - 1.4 AU

Year: 1112 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,746,805 km

• M1: 176,825 km (0.098 R)
• M2: 664,813 km (0.068 R)
• M3: 1,183,618 km (0.09 R)
• M4: 2,057,120 km (0.109 R)
• M5: 2,738,838 km (0.067 R)
• M6: 3,582,719 km (0.076 R)
• M7: 4,374,242 km (0.084 R)
• M8: 5,608,275 km (0.093 R)
• M9: 6,722,330 km (0.072 R)
• M10: 7,560,078 km (0.085 R)
• M11: 8,518,701 km (0.083 R)
• M12: 9,757,072 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 9.8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.56 AU - 2.08 AU

Year: 1665 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,746,805 km

• M1: 121,922 km (0.066 R)
• M2: 483,052 km (0.118 R)
• M3: 851,661 km (0.053 R)
• M4: 1,524,701 km (0.087 R)
• M5: 2,214,198 km (0.081 R)
• M6: 2,868,689 km (0.036 R)
• M7: 4,024,033 km (0.112 R)
• M8: 4,638,132 km (0.096 R)
• M9: 4,978,168 km (0.094 R)
• M10: 6,435,551 km (0.062 R)
• M11: 7,328,949 km (0.101 R)
• M12: 8,715,722 km (0.045 R)
• M13: 9,678,982 km (0.095 R)
• M14: 10,438,341 km (0.028 R)
• M15: 10,954,753 km (0.105 R)
• M16: 11,742,685 km (0.086 R)
• M17: 12,916,579 km (0.079 R)
• M18: 13,311,368 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 9.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.78 AU - 4.12 AU

Year: 5325 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,746,805 km

• M1: 123,119 km (0.082 R)
• M2: 530,773 km (0.112 R)
• M3: 854,653 km (0.085 R)
• M4: 1,264,102 km (0.096 R)
• M5: 1,636,900 km (0.119 R)
• M6: 2,803,614 km (0.115 R)
• M7: 4,379,627 km (0.108 R)
• M8: 6,254,089 km (0.094 R)
• M9: 6,837,520 km (0.109 R)
• M10: 8,611,003 km (0.109 R)
• M11: 9,292,421 km (0.08 R)
• M12: 11,176,607 km (0.06 R)
• M13: 12,432,181 km (0.11 R)
• M14: 15,979,446 km (0.068 R)
• M15: 17,069,865 km (0.063 R)
• M16: 17,823,838 km (0.112 R)
• M17: 18,403,829 km (0.114 R)
• M18: 22,373,409 km (0.11 R)
• M19: 23,352,676 km (0.035 R)
• M20: 23,891,678 km (0.032 R)
• M21: 25,074,697 km (0.11 R)
• M22: 26,462,068 km (0.059 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: 183 - 17,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit