🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 9.3

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 5.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,209,031 km

• M1: 115,789 km (0.049 R)
• M2: 408,552 km (0.061 R)
• M3: 772,823 km (0.069 R)
• M4: 1,267,543 km (0.1 R)
• M5: 1,581,698 km (0.074 R)
• M6: 2,039,318 km (0.114 R)
• M7: 2,529,102 km (0.117 R)
• M8: 3,126,895 km (0.116 R)
• M9: 3,526,620 km (0.065 R)
• M10: 4,158,821 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 8.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.6 AU - 0.62 AU

Year: 329 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,209,031 km

• M1: 103,223 km (0.029 R)
• M2: 375,939 km (0.098 R)
• M3: 705,504 km (0.074 R)
• M4: 970,890 km (0.115 R)
• M5: 1,318,705 km (0.093 R)
• M6: 1,629,121 km (0.095 R)
• M7: 1,899,743 km (0.084 R)
• M8: 2,228,559 km (0.065 R)
• M9: 2,503,520 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 8.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.67 AU - 0.77 AU

Year: 422 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,209,031 km

• M1: 103,372 km (0.056 R)
• M2: 494,870 km (0.119 R)
• M3: 1,326,933 km (0.077 R)
• M4: 1,737,130 km (0.08 R)
• M5: 3,203,339 km (0.069 R)
• M6: 3,744,285 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 11.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.83 AU

Year: 1384 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,209,031 km

• M1: 145,858 km (0.111 R)
• M2: 556,803 km (0.077 R)
• M3: 1,104,780 km (0.099 R)
• M4: 1,542,504 km (0.089 R)
• M5: 2,000,722 km (0.116 R)
• M6: 2,439,343 km (0.077 R)
• M7: 2,997,642 km (0.072 R)
• M8: 3,390,636 km (0.073 R)
• M9: 3,768,969 km (0.117 R)
• M10: 4,408,051 km (0.079 R)
• M11: 4,840,987 km (0.051 R)
• M12: 5,385,374 km (0.085 R)
• M13: 6,105,837 km (0.099 R)
• M14: 8,570,911 km (0.117 R)
• M15: 9,008,634 km (0.097 R)
• M16: 9,834,265 km (0.072 R)
• M17: 10,709,562 km (0.096 R)
• M18: 11,460,693 km (0.061 R)
• M19: 12,100,972 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 9.2

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.31 AU - 3.55 AU

Year: 3462 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,209,031 km

• M1: 114,442 km (0.065 R)
• M2: 490,531 km (0.091 R)
• M3: 778,657 km (0.053 R)
• M4: 1,141,432 km (0.062 R)
• M5: 1,455,288 km (0.099 R)
• M6: 1,827,338 km (0.102 R)
• M7: 2,798,527 km (0.041 R)
• M8: 3,379,416 km (0.119 R)
• M9: 3,769,268 km (0.112 R)
• M10: 4,925,360 km (0.085 R)
• M11: 5,350,368 km (0.077 R)
• M12: 7,237,096 km (0.088 R)
• M13: 7,622,610 km (0.092 R)
• M14: 8,469,932 km (0.117 R)
• M15: 8,825,975 km (0.119 R)
• M16: 9,721,318 km (0.099 R)
• M17: 10,924,235 km (0.109 R)
• M18: 12,358,878 km (0.07 R)
• M19: 13,719,920 km (0.091 R)
• M20: 14,766,058 km (0.1 R)
• M21: 15,282,619 km (0.079 R)
• M22: 17,016,459 km (0.098 R)
• M23: 18,459,629 km (0.114 R)
• M24: 21,456,075 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 9.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.74 AU - 5.9 AU

Year: 8470 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,209,031 km

• M1: 118,182 km (0.079 R)
• M2: 614,099 km (0.11 R)
• M3: 1,054,815 km (0.103 R)
• M4: 1,700,479 km (0.119 R)
• M5: 2,355,867 km (0.057 R)
• M6: 4,427,648 km (0.037 R)
• M7: 5,695,640 km (0.05 R)
• M8: 6,713,504 km (0.067 R)
• M9: 7,650,884 km (0.032 R)
• M10: 8,587,965 km (0.112 R)
• M11: 8,931,292 km (0.077 R)
• M12: 10,494,141 km (0.097 R)
• M13: 11,494,352 km (0.11 R)
• M14: 13,395,741 km (0.028 R)
• M15: 14,571,880 km (0.075 R)
• M16: 16,594,742 km (0.111 R)
• M17: 17,263,594 km (0.059 R)
• M18: 19,086,594 km (0.067 R)
• M19: 20,119,717 km (0.031 R)
• M20: 23,276,531 km (0.062 R)
• M21: 23,609,386 km (0.108 R)
• M22: 27,390,622 km (0.109 R)
• M23: 27,761,625 km (0.084 R)
• M24: 28,324,562 km (0.082 R)
• M25: 31,862,850 km (0.049 R)
• M26: 33,000,093 km (0.103 R)
• M27: 35,028,042 km (0.106 R)
• M28: 35,685,375 km (0.094 R)
• M29: 38,281,347 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.3

Radius: 3.4

Gravity: 26.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.79 AU - 9.87 AU

Year: 16595 Days

Day: 24.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,209,031 km

• M1: 42,336 km (0.108 R)
• M2: 218,413 km (0.075 R)
• M3: 371,601 km (0.06 R)
• M4: 579,692 km (0.047 R)
• M5: 1,369,269 km (0.118 R)
• M6: 1,782,608 km (0.102 R)
• M7: 2,198,640 km (0.067 R)
• M8: 2,530,448 km (0.115 R)
• M9: 3,997,853 km (0.102 R)
• M10: 4,490,629 km (0.112 R)
• M11: 4,830,366 km (0.053 R)
• M12: 5,807,689 km (0.106 R)
• M13: 6,136,056 km (0.051 R)
• M14: 6,515,137 km (0.08 R)
• M15: 7,112,930 km (0.1 R)
• M16: 8,099,229 km (0.083 R)
• M17: 8,932,040 km (0.113 R)
• M18: 10,711,956 km (0.116 R)
• M19: 15,431,320 km (0.066 R)
• M20: 15,989,170 km (0.046 R)
• M21: 16,632,740 km (0.08 R)
• M22: 17,145,113 km (0.112 R)
• M23: 18,745,062 km (0.102 R)
• M24: 19,299,771 km (0.114 R)
• M25: 23,219,983 km (0.078 R)
• M26: 24,417,065 km (0.11 R)
• M27: 30,913,802 km (0.116 R)
• M28: 31,576,071 km (0.085 R)
• M29: 33,043,477 km (0.084 R)
• M30: 36,234,998 km (0.099 R)
• M31: 45,311,400 km (0.102 R)
• M32: 48,643,692 km (0.051 R)
• M33: 48,792,094 km (0.115 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: 465 - 12,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit