🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 10.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.49 AU - 0.63 AU

Year: 279 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,658,836 km

• M1: 131,796 km (0.102 R)
• M2: 493,374 km (0.105 R)
• M3: 908,657 km (0.108 R)
• M4: 1,289,085 km (0.072 R)
• M5: 1,744,910 km (0.095 R)
• M6: 2,102,149 km (0.086 R)
• M7: 2,722,532 km (0.084 R)
• M8: 3,662,754 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.2

Radius: 8.4

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,658,836 km

• M1: 104,569 km (0.119 R)
• M2: 379,231 km (0.1 R)
• M3: 684,111 km (0.092 R)
• M4: 978,669 km (0.098 R)
• M5: 1,515,426 km (0.069 R)
• M6: 1,787,246 km (0.086 R)
• M7: 2,060,711 km (0.038 R)
• M8: 2,328,192 km (0.116 R)
• M9: 2,865,248 km (0.098 R)
• M10: 3,179,254 km (0.069 R)
• M11: 3,471,419 km (0.108 R)
• M12: 3,757,899 km (0.053 R)
• M13: 4,198,315 km (0.06 R)
• M14: 4,484,047 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 14.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.96 AU - 1.06 AU

Year: 677 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,658,836 km

• M1: 182,809 km (0.074 R)
• M2: 1,215,483 km (0.116 R)
• M3: 1,847,534 km (0.107 R)
• M4: 2,444,728 km (0.053 R)
• M5: 3,521,384 km (0.065 R)
• M6: 4,008,176 km (0.098 R)
• M7: 4,784,888 km (0.099 R)
• M8: 5,385,075 km (0.074 R)
• M9: 6,620,304 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 14.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.11 AU - 1.39 AU

Year: 932 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,658,836 km

• M1: 176,974 km (0.034 R)
• M2: 659,427 km (0.11 R)
• M3: 1,189,752 km (0.108 R)
• M4: 1,631,814 km (0.116 R)
• M5: 2,441,437 km (0.106 R)
• M6: 3,199,300 km (0.09 R)
• M7: 4,181,111 km (0.088 R)
• M8: 4,642,172 km (0.112 R)
• M9: 5,187,157 km (0.054 R)
• M10: 5,739,023 km (0.102 R)
• M11: 6,660,097 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 8.7

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.22 AU - 1.56 AU

Year: 1093 Days

Day: 6 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,658,836 km

• M1: 108,458 km (0.087 R)
• M2: 408,851 km (0.073 R)
• M3: 756,367 km (0.071 R)
• M4: 1,494,184 km (0.111 R)
• M5: 2,167,673 km (0.117 R)
• M6: 2,537,180 km (0.116 R)
• M7: 3,184,490 km (0.08 R)
• M8: 4,472,528 km (0.086 R)
• M9: 4,880,780 km (0.119 R)
• M10: 6,393,813 km (0.106 R)
• M11: 6,720,834 km (0.114 R)
• M12: 8,196,767 km (0.108 R)
• M13: 8,499,253 km (0.07 R)
• M14: 8,923,962 km (0.101 R)
• M15: 9,422,272 km (0.078 R)
• M16: 10,283,507 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 13.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.67 AU - 5.25 AU

Year: 7366 Days

Day: 5.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,658,836 km

• M1: 165,605 km (0.098 R)
• M2: 1,339,649 km (0.102 R)
• M3: 1,849,329 km (0.042 R)
• M4: 2,580,414 km (0.086 R)
• M5: 3,692,973 km (0.078 R)
• M6: 5,408,711 km (0.048 R)
• M7: 6,028,794 km (0.107 R)
• M8: 7,476,004 km (0.105 R)
• M9: 9,293,319 km (0.07 R)
• M10: 15,099,212 km (0.093 R)
• M11: 22,544,998 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 12.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.1 AU - 6.18 AU

Year: 8932 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,658,836 km

• M1: 167,400 km (0.119 R)
• M2: 597,195 km (0.12 R)
• M3: 1,207,255 km (0.118 R)
• M4: 2,249,054 km (0.06 R)
• M5: 2,980,887 km (0.077 R)
• M6: 4,271,767 km (0.065 R)
• M7: 6,916,209 km (0.105 R)
• M8: 8,307,768 km (0.054 R)
• M9: 13,383,474 km (0.085 R)
• M10: 14,431,258 km (0.09 R)
• M11: 15,533,196 km (0.09 R)
• M12: 22,199,875 km (0.108 R)
• M13: 23,904,543 km (0.11 R)
• M14: 29,267,327 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.1

Radius: 6.3

Gravity: 24.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.72 AU - 7.2 AU

Year: 12245 Days

Day: 16.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,658,836 km

• M1: 80,035 km (0.104 R)
• M2: 329,115 km (0.091 R)
• M3: 532,269 km (0.078 R)
• M4: 813,364 km (0.081 R)
• M5: 1,129,614 km (0.036 R)
• M6: 1,665,772 km (0.1 R)
• M7: 2,680,345 km (0.056 R)
• M8: 2,886,790 km (0.096 R)
• M9: 4,580,986 km (0.099 R)
• M10: 5,013,174 km (0.093 R)
• M11: 5,363,981 km (0.096 R)
• M12: 6,114,364 km (0.094 R)
• M13: 7,148,235 km (0.105 R)
• M14: 8,055,546 km (0.092 R)
• M15: 8,439,115 km (0.106 R)
• M16: 10,486,063 km (0.037 R)
• M17: 11,295,238 km (0.114 R)
• M18: 12,021,236 km (0.088 R)
• M19: 16,049,159 km (0.099 R)
• M20: 16,503,338 km (0.047 R)
• M21: 17,279,152 km (0.104 R)
• M22: 17,516,714 km (0.067 R)
• M23: 17,836,554 km (0.034 R)
• M24: 19,324,903 km (0.032 R)
• M25: 25,901,525 km (0.112 R)
• M26: 28,022,972 km (0.115 R)
• M27: 31,418,096 km (0.062 R)
• M28: 34,699,675 km (0.057 R)
• M29: 35,586,192 km (0.079 R)
• M30: 40,664,292 km (0.082 R)
• M31: 41,366,504 km (0.057 R)
• M32: 43,961,279 km (0.069 R)
• M33: 48,838,618 km (0.09 R)
• M34: 49,472,465 km (0.116 R)
• M35: 52,724,722 km (0.081 R)
• M36: 54,572,705 km (0.104 R)
• M37: 58,219,901 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.4

Radius: 3

Gravity: 32.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.38 AU - 8.84 AU

Year: 12643 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,658,836 km

• M1: 37,399 km (0.097 R)
• M2: 157,975 km (0.093 R)
• M3: 416,630 km (0.114 R)
• M4: 563,834 km (0.12 R)
• M5: 2,155,556 km (0.062 R)
• M6: 2,443,232 km (0.081 R)
• M7: 2,557,525 km (0.084 R)
• M8: 3,460,049 km (0.103 R)
• M9: 4,141,019 km (0.1 R)
• M10: 4,527,131 km (0.109 R)
• M11: 5,796,020 km (0.071 R)
• M12: 7,128,488 km (0.117 R)
• M13: 8,094,142 km (0.058 R)
• M14: 8,828,818 km (0.109 R)
• M15: 9,373,503 km (0.095 R)
• M16: 9,892,010 km (0.049 R)
• M17: 10,085,290 km (0.081 R)
• M18: 10,529,147 km (0.063 R)
• M19: 10,934,557 km (0.079 R)
• M20: 11,993,560 km (0.101 R)
• M21: 13,235,372 km (0.036 R)
• M22: 19,738,242 km (0.053 R)
• M23: 24,494,108 km (0.067 R)
• M24: 25,115,089 km (0.12 R)
• M25: 30,262,602 km (0.112 R)
• M26: 34,609,617 km (0.042 R)
• M27: 39,113,710 km (0.106 R)
• M28: 41,318,184 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.5

Radius: 4.9

Gravity: 41.46 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.39 AU - 7.99 AU

Year: 14221 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,658,836 km

• M1: 60,886 km (0.065 R)
• M2: 257,308 km (0.114 R)
• M3: 516,711 km (0.105 R)
• M4: 1,308,832 km (0.058 R)
• M5: 1,768,845 km (0.086 R)
• M6: 3,027,412 km (0.109 R)
• M7: 4,451,135 km (0.046 R)
• M8: 4,893,346 km (0.115 R)
• M9: 6,738,038 km (0.09 R)
• M10: 7,600,021 km (0.107 R)
• M11: 7,886,800 km (0.106 R)
• M12: 8,230,576 km (0.114 R)
• M13: 11,473,857 km (0.106 R)
• M14: 12,831,757 km (0.111 R)
• M15: 13,584,085 km (0.115 R)
• M16: 15,708,076 km (0.104 R)
• M17: 20,143,353 km (0.06 R)
• M18: 21,725,650 km (0.1 R)
• M19: 23,995,648 km (0.101 R)
• M20: 28,540,132 km (0.101 R)
• M21: 30,771,983 km (0.113 R)
• M22: 32,239,987 km (0.101 R)
• M23: 33,754,067 km (0.063 R)
• M24: 34,658,835 km (0.09 R)
• M25: 39,997,534 km (0.118 R)
• M26: 42,786,188 km (0.065 R)
• M27: 43,845,490 km (0.042 R)
• M28: 44,767,163 km (0.108 R)
• M29: 48,420,343 km (0.111 R)
• M30: 50,570,513 km (0.086 R)
• M31: 52,611,178 km (0.108 R)
• M32: 52,783,514 km (0.103 R)
• M33: 52,956,449 km (0.108 R)
• M34: 54,001,540 km (0.077 R)
• M35: 55,953,194 km (0.06 R)
• M36: 68,248,045 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 12,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit