🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 8.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1 AU - 1.2 AU

Year: 745 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,469,734 km

• M1: 109,506 km (0.119 R)
• M2: 383,868 km (0.106 R)
• M3: 722,707 km (0.116 R)
• M4: 1,272,031 km (0.065 R)
• M5: 1,952,402 km (0.118 R)
• M6: 2,241,425 km (0.092 R)
• M7: 3,033,994 km (0.11 R)
• M8: 3,509,117 km (0.103 R)
• M9: 3,832,697 km (0.075 R)
• M10: 4,943,312 km (0.087 R)
• M11: 5,427,560 km (0.066 R)
• M12: 5,841,498 km (0.056 R)
• M13: 7,003,424 km (0.107 R)
• M14: 7,760,838 km (0.092 R)
• M15: 8,184,948 km (0.108 R)
• M16: 9,106,770 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 11.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.07 AU - 1.15 AU

Year: 755 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,469,734 km

• M1: 142,866 km (0.111 R)
• M2: 997,818 km (0.086 R)
• M3: 1,475,933 km (0.102 R)
• M4: 2,381,449 km (0.12 R)
• M5: 3,459,900 km (0.053 R)
• M6: 4,137,578 km (0.105 R)
• M7: 5,846,734 km (0.091 R)
• M8: 6,573,779 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.5

Radius: 13.1

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.32 AU

Year: 796 Days

Day: 11.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,469,734 km

• M1: 163,211 km (0.099 R)
• M2: 708,645 km (0.051 R)
• M3: 1,190,500 km (0.12 R)
• M4: 1,651,112 km (0.109 R)
• M5: 2,155,855 km (0.086 R)
• M6: 2,598,814 km (0.099 R)
• M7: 3,102,959 km (0.12 R)
• M8: 3,713,468 km (0.051 R)
• M9: 4,387,706 km (0.103 R)
• M10: 5,317,307 km (0.108 R)
• M11: 6,995,645 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 14.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.45 AU - 1.85 AU

Year: 1368 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,469,734 km

• M1: 179,069 km (0.064 R)
• M2: 644,168 km (0.066 R)
• M3: 1,099,544 km (0.108 R)
• M4: 2,066,545 km (0.105 R)
• M5: 3,277,839 km (0.083 R)
• M6: 3,935,172 km (0.119 R)
• M7: 4,581,584 km (0.113 R)
• M8: 5,471,991 km (0.11 R)
• M9: 5,994,087 km (0.04 R)
• M10: 6,982,032 km (0.063 R)
• M11: 7,848,203 km (0.118 R)
• M12: 8,574,052 km (0.077 R)
• M13: 9,861,043 km (0.097 R)
• M14: 11,934,469 km (0.049 R)
• M15: 13,659,782 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189

Radius: 8.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.6 AU - 2.02 AU

Year: 1572 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,469,734 km

• M1: 103,223 km (0.097 R)
• M2: 429,196 km (0.101 R)
• M3: 989,440 km (0.087 R)
• M4: 1,309,430 km (0.036 R)
• M5: 2,758,136 km (0.068 R)
• M6: 3,306,263 km (0.091 R)
• M7: 3,955,667 km (0.069 R)
• M8: 5,740,070 km (0.082 R)
• M9: 7,930,782 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 13.3

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.52 AU - 2.1 AU

Year: 1572 Days

Day: 5.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,469,734 km

• M1: 165,455 km (0.103 R)
• M2: 654,341 km (0.083 R)
• M3: 1,142,180 km (0.103 R)
• M4: 1,774,829 km (0.099 R)
• M5: 2,621,254 km (0.094 R)
• M6: 3,308,955 km (0.113 R)
• M7: 4,320,686 km (0.095 R)
• M8: 5,004,049 km (0.097 R)
• M9: 5,620,242 km (0.118 R)
• M10: 6,139,347 km (0.081 R)
• M11: 6,690,466 km (0.109 R)
• M12: 7,607,201 km (0.045 R)
• M13: 9,427,508 km (0.113 R)
• M14: 10,197,040 km (0.088 R)
• M15: 10,792,439 km (0.103 R)
• M16: 11,710,222 km (0.087 R)
• M17: 12,130,293 km (0.094 R)
• M18: 13,081,735 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.5

Radius: 8

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.47 AU - 5.51 AU

Year: 6143 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,469,734 km

• M1: 99,931 km (0.103 R)
• M2: 417,378 km (0.05 R)
• M3: 1,632,262 km (0.106 R)
• M4: 2,971,014 km (0.083 R)
• M5: 3,347,851 km (0.101 R)
• M6: 3,923,952 km (0.053 R)
• M7: 4,378,430 km (0.1 R)
• M8: 4,700,515 km (0.081 R)
• M9: 6,729,211 km (0.089 R)
• M10: 7,607,201 km (0.12 R)
• M11: 10,366,833 km (0.05 R)
• M12: 12,047,416 km (0.115 R)
• M13: 14,599,855 km (0.06 R)
• M14: 15,259,731 km (0.077 R)
• M15: 15,566,257 km (0.059 R)
• M16: 16,382,313 km (0.101 R)
• M17: 19,499,783 km (0.102 R)
• M18: 20,745,485 km (0.057 R)
• M19: 23,884,646 km (0.039 R)
• M20: 26,173,943 km (0.117 R)
• M21: 33,191,130 km (0.094 R)
• M22: 36,360,660 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 13,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit