🌌 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: 218.2

Radius: 8.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 7.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,318,321 km

• M1: 106,962 km (0.066 R)
• M2: 578,944 km (0.056 R)
• M3: 1,098,946 km (0.058 R)
• M4: 1,389,315 km (0.096 R)
• M5: 1,973,794 km (0.096 R)
• M6: 2,245,763 km (0.118 R)
• M7: 2,713,257 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 8.9

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.82 AU - 1.12 AU

Year: 659 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,318,321 km

• M1: 111,301 km (0.104 R)
• M2: 397,930 km (0.117 R)
• M3: 803,640 km (0.078 R)
• M4: 1,890,468 km (0.098 R)
• M5: 2,219,284 km (0.062 R)
• M6: 3,029,806 km (0.104 R)
• M7: 3,685,344 km (0.065 R)
• M8: 4,039,741 km (0.041 R)
• M9: 4,479,259 km (0.1 R)
• M10: 5,259,263 km (0.1 R)
• M11: 5,562,797 km (0.099 R)
• M12: 5,991,993 km (0.103 R)
• M13: 6,625,839 km (0.111 R)
• M14: 7,151,526 km (0.039 R)
• M15: 7,591,942 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.3

Radius: 13.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.97 AU - 1.23 AU

Year: 796 Days

Day: 9 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,318,321 km

• M1: 172,038 km (0.111 R)
• M2: 702,661 km (0.088 R)
• M3: 1,151,006 km (0.066 R)
• M4: 1,588,281 km (0.045 R)
• M5: 2,030,342 km (0.094 R)
• M6: 3,026,963 km (0.101 R)
• M7: 3,677,714 km (0.105 R)
• M8: 4,237,060 km (0.079 R)
• M9: 4,803,588 km (0.096 R)
• M10: 5,692,797 km (0.119 R)
• M11: 6,689,119 km (0.116 R)
• M12: 7,153,471 km (0.084 R)
• M13: 7,798,537 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 10.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.81 AU - 1.89 AU

Year: 1737 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,318,321 km

• M1: 131,347 km (0.092 R)
• M2: 455,974 km (0.098 R)
• M3: 807,230 km (0.118 R)
• M4: 1,134,101 km (0.086 R)
• M5: 1,514,678 km (0.116 R)
• M6: 2,248,456 km (0.072 R)
• M7: 3,235,054 km (0.112 R)
• M8: 4,143,412 km (0.082 R)
• M9: 4,956,477 km (0.034 R)
• M10: 6,458,738 km (0.055 R)
• M11: 7,003,424 km (0.082 R)
• M12: 7,863,163 km (0.069 R)
• M13: 8,363,718 km (0.06 R)
• M14: 10,546,500 km (0.071 R)
• M15: 10,974,051 km (0.113 R)
• M16: 11,864,158 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 8.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.02 AU - 2.24 AU

Year: 2146 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,318,321 km

• M1: 109,506 km (0.049 R)
• M2: 519,553 km (0.08 R)
• M3: 804,687 km (0.111 R)
• M4: 1,190,649 km (0.066 R)
• M5: 1,997,431 km (0.105 R)
• M6: 2,545,258 km (0.101 R)
• M7: 2,827,101 km (0.042 R)
• M8: 4,337,141 km (0.117 R)
• M9: 5,004,498 km (0.105 R)
• M10: 5,875,456 km (0.094 R)
• M11: 6,203,076 km (0.098 R)
• M12: 7,339,870 km (0.108 R)
• M13: 8,789,623 km (0.043 R)
• M14: 10,972,256 km (0.061 R)
• M15: 11,290,750 km (0.044 R)
• M16: 11,651,729 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 15

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.15 AU - 2.47 AU

Year: 2423 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,318,321 km

• M1: 189,989 km (0.037 R)
• M2: 1,058,106 km (0.065 R)
• M3: 2,646,087 km (0.048 R)
• M4: 6,065,446 km (0.09 R)
• M5: 7,422,448 km (0.12 R)
• M6: 9,336,852 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 12.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.08 AU - 4.78 AU

Year: 6436 Days

Day: 13.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,318,321 km

• M1: 154,684 km (0.111 R)
• M2: 544,835 km (0.049 R)
• M3: 1,003,203 km (0.071 R)
• M4: 1,466,807 km (0.082 R)
• M5: 2,242,771 km (0.094 R)
• M6: 2,807,204 km (0.098 R)
• M7: 3,865,759 km (0.106 R)
• M8: 5,202,116 km (0.115 R)
• M9: 5,791,083 km (0.117 R)
• M10: 7,067,901 km (0.049 R)
• M11: 7,828,905 km (0.1 R)
• M12: 8,524,236 km (0.076 R)
• M13: 9,010,130 km (0.094 R)
• M14: 9,471,939 km (0.07 R)
• M15: 12,325,967 km (0.084 R)
• M16: 13,374,798 km (0.091 R)
• M17: 14,482,420 km (0.089 R)
• M18: 15,000,328 km (0.078 R)
• M19: 15,530,503 km (0.066 R)
• M20: 18,640,194 km (0.114 R)
• M21: 20,592,147 km (0.054 R)
• M22: 21,469,090 km (0.031 R)
• M23: 23,929,376 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 18,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit