🌌 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: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 13.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,716,854 km

• M1: 172,935 km (0.091 R)
• M2: 616,792 km (0.08 R)
• M3: 1,262,157 km (0.08 R)
• M4: 1,999,376 km (0.112 R)
• M5: 2,517,283 km (0.114 R)
• M6: 3,372,684 km (0.105 R)
• M7: 4,072,802 km (0.085 R)
• M8: 4,592,056 km (0.115 R)
• M9: 5,123,129 km (0.069 R)
• M10: 5,996,930 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.2

Radius: 14.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.27 AU - 1.39 AU

Year: 1023 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,716,854 km

• M1: 185,352 km (0.065 R)
• M2: 660,026 km (0.109 R)
• M3: 1,617,602 km (0.111 R)
• M4: 2,210,907 km (0.119 R)
• M5: 2,803,015 km (0.104 R)
• M6: 3,967,485 km (0.081 R)
• M7: 4,746,591 km (0.046 R)
• M8: 5,472,290 km (0.101 R)
• M9: 6,229,405 km (0.075 R)
• M10: 6,965,127 km (0.094 R)
• M11: 7,710,125 km (0.068 R)
• M12: 8,611,153 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.1

Radius: 8.4

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.86 AU - 2.22 AU

Year: 1943 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,716,854 km

• M1: 104,419 km (0.093 R)
• M2: 429,196 km (0.114 R)
• M3: 700,118 km (0.096 R)
• M4: 988,992 km (0.106 R)
• M5: 1,254,229 km (0.086 R)
• M6: 2,064,301 km (0.104 R)
• M7: 2,467,766 km (0.097 R)
• M8: 3,529,762 km (0.096 R)
• M9: 4,181,111 km (0.111 R)
• M10: 5,632,061 km (0.039 R)
• M11: 6,182,880 km (0.101 R)
• M12: 6,447,219 km (0.117 R)
• M13: 6,947,026 km (0.088 R)
• M14: 7,553,645 km (0.108 R)
• M15: 7,855,833 km (0.109 R)
• M16: 9,177,829 km (0.093 R)
• M17: 13,141,275 km (0.085 R)
• M18: 13,418,929 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 13.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2 AU - 2.92 AU

Year: 2573 Days

Day: 12.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,716,854 km

• M1: 172,935 km (0.067 R)
• M2: 610,060 km (0.072 R)
• M3: 1,424,321 km (0.082 R)
• M4: 2,801,669 km (0.065 R)
• M5: 3,257,793 km (0.102 R)
• M6: 3,802,179 km (0.071 R)
• M7: 4,622,574 km (0.075 R)
• M8: 5,759,817 km (0.107 R)
• M9: 6,367,484 km (0.053 R)
• M10: 8,059,436 km (0.1 R)
• M11: 10,411,713 km (0.092 R)
• M12: 11,114,972 km (0.074 R)
• M13: 12,572,953 km (0.107 R)
• M14: 15,117,014 km (0.101 R)
• M15: 17,331,961 km (0.045 R)
• M16: 19,057,871 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 10.7

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.14 AU - 2.82 AU

Year: 2604 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,716,854 km

• M1: 133,142 km (0.081 R)
• M2: 1,074,861 km (0.035 R)
• M3: 1,440,029 km (0.079 R)
• M4: 1,950,307 km (0.102 R)
• M5: 3,122,556 km (0.09 R)
• M6: 3,508,668 km (0.067 R)
• M7: 4,014,309 km (0.065 R)
• M8: 5,866,480 km (0.088 R)
• M9: 6,437,496 km (0.109 R)
• M10: 7,110,088 km (0.113 R)
• M11: 7,576,534 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 5.5

Gravity: 24.11 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.4 AU - 6.6 AU

Year: 11051 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,716,854 km

• M1: 68,366 km (0.092 R)
• M2: 259,253 km (0.055 R)
• M3: 624,721 km (0.113 R)
• M4: 1,240,166 km (0.117 R)
• M5: 1,624,932 km (0.092 R)
• M6: 2,935,559 km (0.094 R)
• M7: 3,337,678 km (0.109 R)
• M8: 4,222,699 km (0.057 R)
• M9: 4,703,806 km (0.119 R)
• M10: 6,140,693 km (0.113 R)
• M11: 8,024,729 km (0.112 R)
• M12: 8,480,105 km (0.075 R)
• M13: 9,693,942 km (0.073 R)
• M14: 13,009,480 km (0.048 R)
• M15: 15,503,575 km (0.082 R)
• M16: 16,209,378 km (0.079 R)
• M17: 16,862,672 km (0.054 R)
• M18: 17,158,577 km (0.079 R)
• M19: 18,690,459 km (0.113 R)
• M20: 20,730,675 km (0.106 R)
• M21: 21,500,056 km (0.037 R)
• M22: 21,760,805 km (0.047 R)
• M23: 24,202,392 km (0.096 R)
• M24: 24,673,775 km (0.093 R)
• M25: 25,247,333 km (0.118 R)
• M26: 26,421,378 km (0.119 R)
• M27: 29,621,725 km (0.09 R)
• M28: 29,836,697 km (0.073 R)
• M29: 32,270,056 km (0.088 R)
• M30: 32,497,744 km (0.104 R)
• M31: 38,925,815 km (0.059 R)
• M32: 40,358,514 km (0.078 R)
• M33: 46,296,203 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.9

Radius: 7.9

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.14 AU - 8.86 AU

Year: 13697 Days

Day: 18.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,716,854 km

• M1: 98,585 km (0.073 R)
• M2: 381,325 km (0.112 R)
• M3: 726,148 km (0.107 R)
• M4: 1,037,012 km (0.096 R)
• M5: 1,395,150 km (0.056 R)
• M6: 3,131,981 km (0.119 R)
• M7: 5,087,524 km (0.095 R)
• M8: 5,790,934 km (0.035 R)
• M9: 7,007,015 km (0.114 R)
• M10: 7,742,139 km (0.074 R)
• M11: 11,608,645 km (0.066 R)
• M12: 12,512,216 km (0.114 R)
• M13: 13,592,014 km (0.087 R)
• M14: 14,663,882 km (0.101 R)
• M15: 20,967,937 km (0.065 R)
• M16: 24,271,955 km (0.096 R)
• M17: 30,411,153 km (0.104 R)
• M18: 31,315,921 km (0.1 R)
• M19: 32,238,640 km (0.062 R)
• M20: 34,746,499 km (0.083 R)
• M21: 38,288,977 km (0.069 R)
• M22: 41,373,236 km (0.072 R)
• M23: 43,329,527 km (0.109 R)
• M24: 45,346,705 km (0.109 R)
• M25: 47,124,825 km (0.086 R)
• M26: 49,102,958 km (0.108 R)
• M27: 49,878,324 km (0.092 R)
• M28: 55,703,814 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 15,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit