🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 8.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.48 AU - 0.72 AU

Year: 315 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,623,975 km

• M1: 103,971 km (0.103 R)
• M2: 384,766 km (0.117 R)
• M3: 656,735 km (0.116 R)
• M4: 931,097 km (0.112 R)
• M5: 1,228,199 km (0.105 R)
• M6: 1,551,031 km (0.096 R)
• M7: 1,855,762 km (0.102 R)
• M8: 2,207,466 km (0.049 R)
• M9: 2,481,380 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 11.3

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,623,975 km

• M1: 140,472 km (0.111 R)
• M2: 531,222 km (0.112 R)
• M3: 980,913 km (0.057 R)
• M4: 1,503,907 km (0.096 R)
• M5: 2,050,089 km (0.025 R)
• M6: 2,795,835 km (0.119 R)
• M7: 3,265,871 km (0.093 R)
• M8: 3,664,998 km (0.075 R)
• M9: 4,380,076 km (0.106 R)
• M10: 4,734,623 km (0.096 R)
• M11: 5,295,166 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 13.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,623,975 km

• M1: 171,589 km (0.079 R)
• M2: 640,728 km (0.118 R)
• M3: 1,126,472 km (0.1 R)
• M4: 1,586,186 km (0.088 R)
• M5: 2,056,971 km (0.104 R)
• M6: 2,700,840 km (0.059 R)
• M7: 3,232,960 km (0.067 R)
• M8: 3,708,531 km (0.108 R)
• M9: 4,190,236 km (0.093 R)
• M10: 5,265,097 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 13

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 522 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,623,975 km

• M1: 162,014 km (0.094 R)
• M2: 675,135 km (0.093 R)
• M3: 1,085,931 km (0.037 R)
• M4: 1,810,284 km (0.038 R)
• M5: 2,264,613 km (0.104 R)
• M6: 2,882,901 km (0.111 R)
• M7: 3,716,011 km (0.07 R)
• M8: 4,269,074 km (0.101 R)
• M9: 4,844,877 km (0.115 R)
• M10: 5,352,761 km (0.064 R)
• M11: 5,877,850 km (0.044 R)
• M12: 6,611,927 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 10.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.93 AU - 4.83 AU

Year: 6217 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,623,975 km

• M1: 129,402 km (0.089 R)
• M2: 532,269 km (0.119 R)
• M3: 970,441 km (0.1 R)
• M4: 1,342,641 km (0.062 R)
• M5: 1,734,139 km (0.095 R)
• M6: 2,615,270 km (0.117 R)
• M7: 3,137,367 km (0.119 R)
• M8: 4,107,509 km (0.1 R)
• M9: 6,631,524 km (0.058 R)
• M10: 7,465,682 km (0.094 R)
• M11: 8,219,057 km (0.064 R)
• M12: 8,633,592 km (0.103 R)
• M13: 9,141,327 km (0.093 R)
• M14: 11,466,976 km (0.095 R)
• M15: 12,274,356 km (0.068 R)
• M16: 12,967,143 km (0.114 R)
• M17: 15,315,381 km (0.099 R)
• M18: 16,060,229 km (0.116 R)
• M19: 17,375,643 km (0.082 R)
• M20: 17,746,496 km (0.054 R)
• M21: 18,249,145 km (0.103 R)
• M22: 19,086,295 km (0.085 R)
• M23: 20,219,499 km (0.098 R)
• M24: 20,767,924 km (0.079 R)
• M25: 21,609,263 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 14.1

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.39 AU - 5.09 AU

Year: 6999 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,623,975 km

• M1: 288,425 km (0.083 R)
• M2: 1,105,379 km (0.064 R)
• M3: 4,821,539 km (0.076 R)
• M4: 6,361,649 km (0.072 R)
• M5: 9,029,428 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.7

Radius: 5.2

Gravity: 34.09 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.57 AU - 9.07 AU

Year: 17766 Days

Day: 15.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,623,975 km

• M1: 64,776 km (0.058 R)
• M2: 326,423 km (0.084 R)
• M3: 502,050 km (0.104 R)
• M4: 685,158 km (0.111 R)
• M5: 1,320,650 km (0.106 R)
• M6: 1,822,551 km (0.11 R)
• M7: 2,035,578 km (0.095 R)
• M8: 3,390,037 km (0.061 R)
• M9: 3,623,260 km (0.113 R)
• M10: 4,595,048 km (0.045 R)
• M11: 6,448,865 km (0.097 R)
• M12: 7,085,254 km (0.094 R)
• M13: 9,022,846 km (0.069 R)
• M14: 10,172,506 km (0.087 R)
• M15: 12,968,639 km (0.12 R)
• M16: 16,817,493 km (0.117 R)
• M17: 17,496,518 km (0.099 R)
• M18: 19,274,040 km (0.119 R)
• M19: 19,458,195 km (0.105 R)
• M20: 23,391,572 km (0.096 R)
• M21: 23,601,158 km (0.107 R)
• M22: 30,112,705 km (0.085 R)
• M23: 40,073,679 km (0.102 R)
• M24: 41,588,956 km (0.083 R)
• M25: 42,985,003 km (0.096 R)
• M26: 52,023,408 km (0.112 R)
• M27: 58,126,552 km (0.047 R)
• M28: 58,704,000 km (0.042 R)
• M29: 63,055,652 km (0.084 R)
• M30: 74,638,267 km (0.086 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: 276 - 18,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit