🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.6 AU - 0.88 AU

Year: 225 Days

Day: 36 Hours

Environment

Temp: 158 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,837,233 km

• M1: 37,848 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.35 AU - 3.21 AU

Year: 1637 Days

Day: 39.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,837,233 km

• M1: 468,092 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.69 AU - 4.03 AU

Year: 2175 Days

Day: 41 Hours

Environment

Temp: -106 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.59 AU - 4.43 AU

Year: 2835 Days

Day: 35.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 8.9

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.73 AU - 6.61 AU

Year: 4767 Days

Day: 9.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,837,233 km

• M1: 115,938 km (0.088 R)
• M2: 513,121 km (0.062 R)
• M3: 1,049,279 km (0.099 R)
• M4: 1,670,410 km (0.107 R)
• M5: 2,839,218 km (0.084 R)
• M6: 3,563,421 km (0.113 R)
• M7: 3,899,418 km (0.045 R)
• M8: 4,954,981 km (0.079 R)
• M9: 5,232,186 km (0.117 R)
• M10: 6,811,939 km (0.082 R)
• M11: 8,887,759 km (0.047 R)
• M12: 11,305,560 km (0.113 R)
• M13: 12,233,964 km (0.093 R)
• M14: 12,537,498 km (0.039 R)
• M15: 14,577,864 km (0.11 R)
• M16: 16,035,246 km (0.108 R)
• M17: 16,337,883 km (0.104 R)
• M18: 18,498,973 km (0.077 R)
• M19: 18,899,148 km (0.074 R)
• M20: 21,132,046 km (0.105 R)
• M21: 21,642,922 km (0.055 R)
• M22: 23,926,384 km (0.113 R)
• M23: 25,045,077 km (0.09 R)
• M24: 28,081,316 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 10.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.66 AU - 12.16 AU

Year: 13609 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,837,233 km

• M1: 135,236 km (0.036 R)
• M2: 510,877 km (0.117 R)
• M3: 920,924 km (0.047 R)
• M4: 1,633,609 km (0.084 R)
• M5: 2,104,094 km (0.1 R)
• M6: 2,818,723 km (0.108 R)
• M7: 3,298,783 km (0.114 R)
• M8: 3,956,564 km (0.084 R)
• M9: 6,186,919 km (0.092 R)
• M10: 7,187,729 km (0.107 R)
• M11: 8,251,968 km (0.075 R)
• M12: 10,302,656 km (0.086 R)
• M13: 10,839,413 km (0.103 R)
• M14: 11,292,395 km (0.067 R)
• M15: 13,231,932 km (0.102 R)
• M16: 14,102,292 km (0.042 R)
• M17: 14,887,083 km (0.061 R)
• M18: 15,573,587 km (0.076 R)
• M19: 17,212,432 km (0.08 R)
• M20: 26,978,031 km (0.04 R)
• M21: 30,912,306 km (0.09 R)
• M22: 32,963,442 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 10.4

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 10.12 AU - 12.7 AU

Year: 13609 Days

Day: 9.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 96,837,233 km

• M1: 133,142 km (0.101 R)
• M2: 488,138 km (0.108 R)
• M3: 911,649 km (0.032 R)
• M4: 1,492,538 km (0.108 R)
• M5: 1,954,347 km (0.115 R)
• M6: 2,287,651 km (0.075 R)
• M7: 3,966,887 km (0.073 R)
• M8: 5,164,567 km (0.117 R)
• M9: 5,960,129 km (0.094 R)
• M10: 8,258,550 km (0.089 R)
• M11: 9,040,050 km (0.062 R)
• M12: 9,657,889 km (0.054 R)
• M13: 10,414,106 km (0.087 R)
• M14: 11,384,847 km (0.099 R)
• M15: 13,704,661 km (0.044 R)
• M16: 14,108,575 km (0.032 R)
• M17: 16,323,222 km (0.037 R)
• M18: 17,317,599 km (0.069 R)
• M19: 19,008,354 km (0.085 R)
• M20: 19,511,003 km (0.038 R)
• M21: 19,936,759 km (0.1 R)
• M22: 20,718,408 km (0.095 R)
• M23: 21,072,506 km (0.12 R)
• M24: 21,520,551 km (0.098 R)
• M25: 22,250,738 km (0.084 R)
• M26: 22,809,187 km (0.104 R)
• M27: 24,051,298 km (0.108 R)
• M28: 27,618,759 km (0.12 R)
• M29: 36,808,257 km (0.032 R)
• M30: 38,514,869 km (0.115 R)
• M31: 39,320,155 km (0.05 R)
• M32: 42,227,141 km (0.105 R)
• M33: 47,385,724 km (0.041 R)
• M34: 53,445,335 km (0.072 R)
• M35: 55,631,559 km (0.109 R)
• M36: 58,933,034 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.6

Radius: 6.3

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17.37 AU - 17.51 AU

Year: 25717 Days

Day: 21.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,837,233 km

• M1: 160,070 km (0.103 R)
• M2: 478,115 km (0.05 R)
• M3: 759,808 km (0.096 R)
• M4: 1,321,099 km (0.116 R)
• M5: 1,800,111 km (0.105 R)
• M6: 2,409,723 km (0.07 R)
• M7: 2,671,070 km (0.111 R)
• M8: 3,488,473 km (0.077 R)
• M9: 4,429,892 km (0.116 R)
• M10: 5,456,732 km (0.102 R)
• M11: 9,638,740 km (0.073 R)
• M12: 10,412,012 km (0.07 R)
• M13: 17,578,199 km (0.099 R)
• M14: 19,238,585 km (0.115 R)
• M15: 24,039,480 km (0.118 R)
• M16: 24,741,244 km (0.116 R)
• M17: 37,101,020 km (0.098 R)
• M18: 38,990,142 km (0.116 R)
• M19: 42,375,990 km (0.072 R)
• M20: 51,192,391 km (0.036 R)
• M21: 56,288,892 km (0.065 R)
• M22: 59,868,021 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.5

Radius: 5.4

Gravity: 24.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 15.75 AU - 21.13 AU

Year: 27960 Days

Day: 22.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,837,233 km

• M1: 67,618 km (0.111 R)
• M2: 332,706 km (0.09 R)
• M3: 509,830 km (0.07 R)
• M4: 1,015,470 km (0.119 R)
• M5: 1,561,054 km (0.082 R)
• M6: 1,950,756 km (0.105 R)
• M7: 2,378,756 km (0.056 R)
• M8: 2,812,739 km (0.067 R)
• M9: 4,251,871 km (0.093 R)
• M10: 4,968,893 km (0.089 R)
• M11: 5,252,381 km (0.083 R)
• M12: 5,632,659 km (0.079 R)
• M13: 6,933,712 km (0.095 R)
• M14: 8,594,697 km (0.062 R)
• M15: 10,372,817 km (0.092 R)
• M16: 10,635,960 km (0.105 R)
• M17: 11,452,016 km (0.051 R)
• M18: 13,752,383 km (0.095 R)
• M19: 29,433,381 km (0.118 R)
• M20: 29,696,374 km (0.032 R)
• M21: 31,444,126 km (0.099 R)
• M22: 36,186,379 km (0.059 R)
• M23: 45,813,151 km (0.112 R)
• M24: 46,878,438 km (0.049 R)
• M25: 48,690,217 km (0.104 R)
• M26: 52,839,614 km (0.088 R)
• M27: 53,618,570 km (0.091 R)
• M28: 54,801,141 km (0.058 R)
• M29: 55,599,245 km (0.105 R)
• M30: 60,763,514 km (0.058 R)
• M31: 63,790,477 km (0.085 R)
• M32: 68,517,321 km (0.043 R)
• M33: 70,612,589 km (0.044 R)
• M34: 72,032,871 km (0.073 R)
• M35: 75,913,290 km (0.108 R)
• M36: 79,421,061 km (0.12 R)
• M37: 80,956,982 km (0.079 R)
• M38: 81,991,751 km (0.075 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 19,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit