🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 14.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.52 AU - 0.74 AU

Year: 345 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,729,356 km

• M1: 182,809 km (0.094 R)
• M2: 755,170 km (0.092 R)
• M3: 1,229,545 km (0.063 R)
• M4: 1,770,042 km (0.116 R)
• M5: 2,400,148 km (0.108 R)
• M6: 2,951,566 km (0.046 R)
• M7: 3,920,511 km (0.079 R)
• M8: 4,419,570 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 8.8

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.89 AU

Year: 431 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,729,356 km

• M1: 109,506 km (0.089 R)
• M2: 392,395 km (0.098 R)
• M3: 721,660 km (0.099 R)
• M4: 1,045,091 km (0.112 R)
• M5: 1,329,327 km (0.105 R)
• M6: 1,797,718 km (0.056 R)
• M7: 2,099,008 km (0.075 R)
• M8: 2,496,489 km (0.104 R)
• M9: 3,288,760 km (0.114 R)
• M10: 3,986,185 km (0.116 R)
• M11: 4,356,888 km (0.094 R)
• M12: 4,736,717 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 10.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.85 AU - 2.83 AU

Year: 2471 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,729,356 km

• M1: 129,402 km (0.118 R)
• M2: 799,451 km (0.114 R)
• M3: 2,686,628 km (0.112 R)
• M4: 4,947,202 km (0.067 R)
• M5: 5,704,167 km (0.051 R)
• M6: 6,858,763 km (0.061 R)
• M7: 7,448,029 km (0.11 R)
• M8: 7,949,481 km (0.095 R)
• M9: 8,695,825 km (0.087 R)
• M10: 11,446,182 km (0.102 R)
• M11: 11,836,483 km (0.096 R)
• M12: 12,235,460 km (0.037 R)
• M13: 12,602,274 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.3

Radius: 8.1

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.27 AU - 2.51 AU

Year: 2550 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,729,356 km

• M1: 100,679 km (0.071 R)
• M2: 503,247 km (0.064 R)
• M3: 775,216 km (0.115 R)
• M4: 1,190,051 km (0.048 R)
• M5: 1,920,537 km (0.047 R)
• M6: 2,302,012 km (0.078 R)
• M7: 2,764,120 km (0.114 R)
• M8: 3,166,987 km (0.115 R)
• M9: 3,627,150 km (0.074 R)
• M10: 4,506,785 km (0.048 R)
• M11: 5,350,817 km (0.076 R)
• M12: 5,978,081 km (0.1 R)
• M13: 6,269,348 km (0.047 R)
• M14: 6,937,601 km (0.03 R)
• M15: 7,318,926 km (0.063 R)
• M16: 8,188,090 km (0.076 R)
• M17: 8,781,993 km (0.118 R)
• M18: 9,582,342 km (0.089 R)
• M19: 10,698,193 km (0.11 R)
• M20: 11,247,516 km (0.07 R)
• M21: 11,610,590 km (0.102 R)
• M22: 14,898,602 km (0.096 R)
• M23: 15,933,968 km (0.108 R)
• M24: 16,911,590 km (0.107 R)
• M25: 17,549,177 km (0.099 R)
• M26: 18,815,971 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 13.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.52 AU - 4.1 AU

Year: 4157 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,729,356 km

• M1: 165,455 km (0.112 R)
• M2: 1,065,436 km (0.044 R)
• M3: 1,513,332 km (0.11 R)
• M4: 2,750,207 km (0.103 R)
• M5: 3,885,505 km (0.112 R)
• M6: 5,678,885 km (0.069 R)
• M7: 6,882,100 km (0.093 R)
• M8: 7,774,601 km (0.065 R)
• M9: 9,146,264 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.3

Radius: 10.6

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.67 AU - 4.91 AU

Year: 7236 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,729,356 km

• M1: 131,796 km (0.109 R)
• M2: 669,151 km (0.11 R)
• M3: 1,494,483 km (0.038 R)
• M4: 2,639,206 km (0.106 R)
• M5: 3,947,888 km (0.088 R)
• M6: 4,629,456 km (0.086 R)
• M7: 5,167,410 km (0.12 R)
• M8: 7,706,534 km (0.036 R)
• M9: 9,315,459 km (0.069 R)
• M10: 10,522,265 km (0.086 R)
• M11: 11,453,811 km (0.102 R)
• M12: 11,939,855 km (0.048 R)
• M13: 14,022,556 km (0.058 R)
• M14: 14,641,592 km (0.078 R)
• M15: 15,735,901 km (0.073 R)
• M16: 17,584,631 km (0.117 R)
• M17: 19,119,356 km (0.109 R)
• M18: 19,573,834 km (0.104 R)
• M19: 21,141,021 km (0.051 R)
• M20: 22,203,615 km (0.088 R)
• M21: 23,130,075 km (0.086 R)
• M22: 25,240,901 km (0.085 R)
• M23: 30,045,386 km (0.096 R)
• M24: 32,661,853 km (0.108 R)
• M25: 33,749,728 km (0.051 R)
• M26: 34,525,393 km (0.103 R)
• M27: 37,041,031 km (0.098 R)
• M28: 39,188,359 km (0.114 R)
• M29: 43,208,203 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit