🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 15

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.75 AU - 0.85 AU

Year: 462 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,324,706 km

• M1: 187,596 km (0.116 R)
• M2: 657,782 km (0.113 R)
• M3: 1,135,448 km (0.057 R)
• M4: 1,696,440 km (0.096 R)
• M5: 2,397,904 km (0.109 R)
• M6: 3,251,211 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.4

Radius: 8.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.51 AU - 1.55 AU

Year: 1222 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,324,706 km

• M1: 111,151 km (0.063 R)
• M2: 503,098 km (0.051 R)
• M3: 956,978 km (0.105 R)
• M4: 1,304,493 km (0.053 R)
• M5: 1,812,677 km (0.073 R)
• M6: 2,342,852 km (0.064 R)
• M7: 2,701,438 km (0.092 R)
• M8: 3,121,808 km (0.089 R)
• M9: 3,461,844 km (0.099 R)
• M10: 4,003,538 km (0.07 R)
• M11: 4,518,903 km (0.091 R)
• M12: 5,701,025 km (0.085 R)
• M13: 6,603,250 km (0.074 R)
• M14: 7,300,675 km (0.097 R)
• M15: 7,926,593 km (0.093 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.5

Radius: 6.7

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.95 AU - 7.51 AU

Year: 10040 Days

Day: 24.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,324,706 km

• M1: 84,373 km (0.088 R)
• M2: 717,621 km (0.077 R)
• M3: 1,752,539 km (0.037 R)
• M4: 3,889,545 km (0.117 R)
• M5: 4,610,906 km (0.081 R)
• M6: 5,417,986 km (0.109 R)
• M7: 5,932,902 km (0.079 R)
• M8: 6,315,723 km (0.105 R)
• M9: 9,429,004 km (0.092 R)
• M10: 10,862,152 km (0.091 R)
• M11: 11,532,649 km (0.083 R)
• M12: 14,265,952 km (0.109 R)
• M13: 14,952,906 km (0.093 R)
• M14: 22,694,296 km (0.084 R)
• M15: 24,348,250 km (0.038 R)
• M16: 25,660,972 km (0.104 R)
• M17: 26,505,152 km (0.081 R)
• M18: 30,159,978 km (0.059 R)
• M19: 32,643,901 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.1

Radius: 6.3

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.45 AU - 11.07 AU

Year: 19687 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,324,706 km

• M1: 147,803 km (0.106 R)
• M2: 667,207 km (0.03 R)
• M3: 1,758,074 km (0.069 R)
• M4: 2,262,817 km (0.057 R)
• M5: 2,859,563 km (0.103 R)
• M6: 5,426,962 km (0.096 R)
• M7: 6,160,590 km (0.07 R)
• M8: 6,446,920 km (0.078 R)
• M9: 6,958,395 km (0.049 R)
• M10: 7,775,948 km (0.099 R)
• M11: 9,764,103 km (0.043 R)
• M12: 10,323,899 km (0.119 R)
• M13: 15,823,266 km (0.12 R)
• M14: 28,686,738 km (0.119 R)
• M15: 31,008,347 km (0.036 R)
• M16: 38,169,747 km (0.1 R)
• M17: 61,282,917 km (0.026 R)
• M18: 64,142,630 km (0.093 R)
• M19: 65,506,963 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.5

Radius: 8

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.77 AU - 11.37 AU

Year: 20633 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,324,706 km

• M1: 113,545 km (0.073 R)
• M2: 714,629 km (0.093 R)
• M3: 1,082,490 km (0.099 R)
• M4: 3,782,881 km (0.038 R)
• M5: 4,062,031 km (0.081 R)
• M6: 4,803,288 km (0.072 R)
• M7: 5,396,893 km (0.103 R)
• M8: 8,166,249 km (0.093 R)
• M9: 9,912,804 km (0.082 R)
• M10: 12,361,272 km (0.083 R)
• M11: 14,575,021 km (0.116 R)
• M12: 16,055,292 km (0.089 R)
• M13: 30,422,223 km (0.094 R)
• M14: 31,294,528 km (0.07 R)
• M15: 35,495,236 km (0.037 R)
• M16: 37,872,795 km (0.106 R)
• M17: 40,653,521 km (0.084 R)
• M18: 50,497,060 km (0.105 R)
• M19: 53,139,707 km (0.115 R)
• M20: 57,368,689 km (0.064 R)
• M21: 74,941,353 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.5

Radius: 6.7

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 10.18 AU - 12 AU

Year: 23846 Days

Day: 16.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,324,706 km

• M1: 110,104 km (0.086 R)
• M2: 406,906 km (0.079 R)
• M3: 765,193 km (0.115 R)
• M4: 2,672,267 km (0.1 R)
• M5: 3,288,012 km (0.057 R)
• M6: 4,228,384 km (0.116 R)
• M7: 7,955,016 km (0.116 R)
• M8: 10,931,416 km (0.086 R)
• M9: 14,034,524 km (0.076 R)
• M10: 14,972,952 km (0.079 R)
• M11: 16,714,869 km (0.053 R)
• M12: 18,866,236 km (0.057 R)
• M13: 19,241,877 km (0.084 R)
• M14: 20,008,117 km (0.117 R)
• M15: 31,899,502 km (0.119 R)
• M16: 37,354,738 km (0.11 R)
• M17: 47,773,781 km (0.078 R)
• M18: 55,636,346 km (0.089 R)
• M19: 56,021,710 km (0.098 R)
• M20: 59,168,800 km (0.097 R)
• M21: 64,956,143 km (0.107 R)
• M22: 73,398,250 km (0.119 R)
• M23: 80,557,705 km (0.095 R)
• M24: 80,804,093 km (0.1 R)
• M25: 83,043,872 km (0.098 R)
• M26: 83,295,197 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 12,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit