🌌 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: 250.4

Radius: 13.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.64 AU - 0.88 AU

Year: 449 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,749,219 km

• M1: 165,455 km (0.111 R)
• M2: 751,281 km (0.106 R)
• M3: 1,401,732 km (0.105 R)
• M4: 2,142,690 km (0.102 R)
• M5: 2,806,306 km (0.096 R)
• M6: 3,315,538 km (0.106 R)
• M7: 3,771,662 km (0.115 R)
• M8: 4,220,455 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.7

Radius: 13.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.48 AU - 1.84 AU

Year: 1451 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,749,219 km

• M1: 171,439 km (0.085 R)
• M2: 881,879 km (0.087 R)
• M3: 1,655,001 km (0.095 R)
• M4: 2,149,123 km (0.086 R)
• M5: 3,216,354 km (0.067 R)
• M6: 5,041,598 km (0.045 R)
• M7: 5,781,808 km (0.082 R)
• M8: 7,966,087 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 14.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.64 AU - 2.6 AU

Year: 2094 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,749,219 km

• M1: 184,454 km (0.09 R)
• M2: 736,470 km (0.083 R)
• M3: 1,203,365 km (0.104 R)
• M4: 2,036,027 km (0.067 R)
• M5: 2,662,992 km (0.108 R)
• M6: 3,388,242 km (0.054 R)
• M7: 4,380,674 km (0.079 R)
• M8: 5,436,835 km (0.119 R)
• M9: 6,223,720 km (0.109 R)
• M10: 8,131,991 km (0.062 R)
• M11: 8,819,243 km (0.1 R)
• M12: 11,182,590 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 14.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.75 AU - 3.83 AU

Year: 5004 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,749,219 km

• M1: 179,069 km (0.103 R)
• M2: 897,737 km (0.047 R)
• M3: 1,547,291 km (0.087 R)
• M4: 2,001,320 km (0.063 R)
• M5: 2,785,213 km (0.103 R)
• M6: 3,941,306 km (0.101 R)
• M7: 6,979,638 km (0.09 R)
• M8: 9,632,457 km (0.106 R)
• M9: 12,074,044 km (0.065 R)
• M10: 19,523,869 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.2

Radius: 5.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.04 AU - 6.5 AU

Year: 10649 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,749,219 km

• M1: 66,122 km (0.103 R)
• M2: 513,270 km (0.072 R)
• M3: 758,760 km (0.057 R)
• M4: 2,032,736 km (0.078 R)
• M5: 2,397,455 km (0.063 R)
• M6: 2,866,295 km (0.112 R)
• M7: 3,290,704 km (0.065 R)
• M8: 4,366,313 km (0.069 R)
• M9: 7,659,112 km (0.116 R)
• M10: 8,248,527 km (0.029 R)
• M11: 9,587,578 km (0.105 R)
• M12: 12,435,173 km (0.059 R)
• M13: 14,050,531 km (0.114 R)
• M14: 17,165,907 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716

Radius: 7.5

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.06 AU - 7.98 AU

Year: 11292 Days

Day: 19.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,749,219 km

• M1: 93,349 km (0.103 R)
• M2: 514,467 km (0.101 R)
• M3: 867,668 km (0.044 R)
• M4: 1,338,003 km (0.074 R)
• M5: 2,090,630 km (0.11 R)
• M6: 2,782,072 km (0.108 R)
• M7: 3,722,444 km (0.094 R)
• M8: 5,630,265 km (0.085 R)
• M9: 6,212,650 km (0.084 R)
• M10: 7,327,603 km (0.1 R)
• M11: 7,844,164 km (0.104 R)
• M12: 8,338,735 km (0.079 R)
• M13: 9,046,482 km (0.027 R)
• M14: 10,420,240 km (0.045 R)
• M15: 11,986,529 km (0.109 R)
• M16: 13,197,075 km (0.085 R)
• M17: 15,930,228 km (0.109 R)
• M18: 17,316,103 km (0.089 R)
• M19: 19,259,679 km (0.08 R)
• M20: 19,747,069 km (0.084 R)
• M21: 20,409,488 km (0.088 R)
• M22: 21,086,568 km (0.065 R)
• M23: 22,042,049 km (0.081 R)
• M24: 22,754,734 km (0.104 R)
• M25: 25,564,930 km (0.114 R)
• M26: 31,414,206 km (0.092 R)
• M27: 32,430,574 km (0.096 R)
• M28: 32,774,201 km (0.089 R)
• M29: 36,715,805 km (0.064 R)
• M30: 41,632,938 km (0.076 R)
• M31: 45,811,805 km (0.04 R)
• M32: 46,971,637 km (0.086 R)
• M33: 49,652,580 km (0.08 R)
• M34: 50,722,205 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 18,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit