🌌 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: 871.3

Radius: 11.9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.47 AU - 0.79 AU

Year: 351 Days

Day: 13.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,032,897 km

• M1: 148,551 km (0.097 R)
• M2: 809,923 km (0.093 R)
• M3: 1,184,666 km (0.113 R)
• M4: 1,714,691 km (0.062 R)
• M5: 2,275,683 km (0.034 R)
• M6: 2,967,423 km (0.117 R)
• M7: 3,550,556 km (0.097 R)
• M8: 4,142,365 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 12.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.34 AU - 1.44 AU

Year: 1152 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,032,897 km

• M1: 158,574 km (0.092 R)
• M2: 558,299 km (0.109 R)
• M3: 996,023 km (0.065 R)
• M4: 1,744,760 km (0.102 R)
• M5: 2,384,590 km (0.055 R)
• M6: 3,000,036 km (0.11 R)
• M7: 3,418,611 km (0.12 R)
• M8: 4,238,407 km (0.119 R)
• M9: 5,263,302 km (0.112 R)
• M10: 6,675,955 km (0.032 R)
• M11: 7,647,294 km (0.115 R)
• M12: 8,300,887 km (0.119 R)
• M13: 9,076,851 km (0.045 R)
• M14: 9,749,892 km (0.114 R)
• M15: 10,237,431 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 8.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.55 AU - 3.85 AU

Year: 4024 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,032,897 km

• M1: 118,930 km (0.083 R)
• M2: 552,465 km (0.077 R)
• M3: 1,259,315 km (0.031 R)
• M4: 1,761,365 km (0.119 R)
• M5: 2,182,932 km (0.091 R)
• M6: 5,353,360 km (0.111 R)
• M7: 7,250,710 km (0.078 R)
• M8: 8,334,546 km (0.118 R)
• M9: 10,820,564 km (0.088 R)
• M10: 11,788,462 km (0.112 R)
• M11: 13,498,964 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 10

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.84 AU - 5.14 AU

Year: 6688 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,032,897 km

• M1: 138,528 km (0.11 R)
• M2: 514,467 km (0.107 R)
• M3: 908,508 km (0.084 R)
• M4: 1,527,544 km (0.082 R)
• M5: 1,848,431 km (0.116 R)
• M6: 2,485,868 km (0.077 R)
• M7: 3,207,378 km (0.108 R)
• M8: 3,761,788 km (0.025 R)
• M9: 4,355,991 km (0.078 R)
• M10: 4,810,619 km (0.095 R)
• M11: 5,217,974 km (0.113 R)
• M12: 6,397,852 km (0.11 R)
• M13: 6,765,564 km (0.116 R)
• M14: 7,212,413 km (0.113 R)
• M15: 7,543,622 km (0.101 R)
• M16: 9,432,894 km (0.091 R)
• M17: 9,789,385 km (0.073 R)
• M18: 11,043,016 km (0.106 R)
• M19: 11,573,490 km (0.111 R)
• M20: 12,733,023 km (0.071 R)
• M21: 14,905,932 km (0.116 R)
• M22: 16,220,748 km (0.043 R)
• M23: 18,396,798 km (0.076 R)
• M24: 21,981,014 km (0.116 R)
• M25: 22,398,242 km (0.086 R)
• M26: 23,248,407 km (0.034 R)
• M27: 24,046,661 km (0.075 R)
• M28: 25,013,362 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.1

Radius: 5.7

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.48 AU - 8.98 AU

Year: 16596 Days

Day: 23.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,032,897 km

• M1: 71,957 km (0.031 R)
• M2: 388,655 km (0.097 R)
• M3: 783,294 km (0.111 R)
• M4: 1,364,632 km (0.115 R)
• M5: 2,838,620 km (0.107 R)
• M6: 5,702,521 km (0.074 R)
• M7: 6,519,475 km (0.1 R)
• M8: 6,782,917 km (0.11 R)
• M9: 7,053,390 km (0.084 R)
• M10: 8,875,941 km (0.113 R)
• M11: 9,293,618 km (0.082 R)
• M12: 10,319,411 km (0.064 R)
• M13: 15,577,327 km (0.066 R)
• M14: 17,303,986 km (0.111 R)
• M15: 18,324,542 km (0.056 R)
• M16: 20,087,404 km (0.089 R)
• M17: 22,552,627 km (0.115 R)
• M18: 23,417,153 km (0.025 R)
• M19: 23,769,157 km (0.065 R)
• M20: 24,937,367 km (0.078 R)
• M21: 25,675,034 km (0.104 R)
• M22: 25,955,380 km (0.116 R)
• M23: 26,143,275 km (0.061 R)
• M24: 30,201,117 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.4

Radius: 5.4

Gravity: 24.84 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.84 AU - 10.24 AU

Year: 17543 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,032,897 km

• M1: 67,319 km (0.118 R)
• M2: 253,718 km (0.069 R)
• M3: 634,893 km (0.097 R)
• M4: 1,123,630 km (0.075 R)
• M5: 1,744,760 km (0.093 R)
• M6: 2,414,360 km (0.031 R)
• M7: 2,807,503 km (0.07 R)
• M8: 5,362,485 km (0.069 R)
• M9: 7,019,880 km (0.113 R)
• M10: 9,592,066 km (0.074 R)
• M11: 10,336,166 km (0.093 R)
• M12: 11,056,479 km (0.119 R)
• M13: 12,133,584 km (0.118 R)
• M14: 12,798,846 km (0.104 R)
• M15: 13,071,712 km (0.115 R)
• M16: 17,309,820 km (0.08 R)
• M17: 19,021,369 km (0.111 R)
• M18: 22,578,507 km (0.094 R)
• M19: 25,145,906 km (0.085 R)
• M20: 26,115,899 km (0.051 R)
• M21: 26,998,825 km (0.046 R)
• M22: 33,614,791 km (0.115 R)
• M23: 35,056,017 km (0.099 R)
• M24: 35,456,191 km (0.066 R)
• M25: 39,195,390 km (0.062 R)
• M26: 40,351,782 km (0.058 R)
• M27: 45,997,156 km (0.114 R)
• M28: 55,869,718 km (0.05 R)
• M29: 60,146,123 km (0.061 R)
• M30: 61,489,662 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 10,466 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit