🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.5 AU - 0.62 AU

Year: 188 Days

Day: 24 Hours

Environment

Temp: 13 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 104,869,972 km

• M1: 189,989 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.78 AU - 1.04 AU

Year: 390 Days

Day: 40.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.74 AU - 1.24 AU

Year: 443 Days

Day: 30.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 12.7

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.51 AU - 4.09 AU

Year: 3330 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 104,869,972 km

• M1: 160,070 km (0.074 R)
• M2: 721,959 km (0.093 R)
• M3: 1,343,987 km (0.12 R)
• M4: 1,897,051 km (0.082 R)
• M5: 2,664,637 km (0.062 R)
• M6: 3,185,387 km (0.111 R)
• M7: 3,899,717 km (0.113 R)
• M8: 4,456,670 km (0.055 R)
• M9: 5,117,594 km (0.118 R)
• M10: 6,605,344 km (0.091 R)
• M11: 7,465,981 km (0.117 R)
• M12: 7,940,954 km (0.071 R)
• M13: 8,691,487 km (0.087 R)
• M14: 9,645,772 km (0.117 R)
• M15: 10,458,686 km (0.056 R)
• M16: 11,054,385 km (0.11 R)
• M17: 13,467,848 km (0.092 R)
• M18: 14,071,325 km (0.066 R)
• M19: 14,797,922 km (0.086 R)
• M20: 15,278,281 km (0.056 R)
• M21: 16,101,817 km (0.096 R)
• M22: 17,897,440 km (0.118 R)
• M23: 18,627,179 km (0.035 R)
• M24: 20,276,495 km (0.101 R)
• M25: 25,198,265 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 10.3

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.66 AU - 7.7 AU

Year: 6907 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 104,869,972 km

• M1: 128,056 km (0.065 R)
• M2: 484,548 km (0.12 R)
• M3: 822,339 km (0.076 R)
• M4: 1,697,786 km (0.095 R)
• M5: 2,659,102 km (0.095 R)
• M6: 3,750,119 km (0.105 R)
• M7: 4,591,009 km (0.11 R)
• M8: 5,026,339 km (0.034 R)
• M9: 5,649,564 km (0.062 R)
• M10: 7,631,287 km (0.116 R)
• M11: 8,757,011 km (0.102 R)
• M12: 9,942,574 km (0.109 R)
• M13: 15,064,206 km (0.041 R)
• M14: 16,159,712 km (0.119 R)
• M15: 17,101,281 km (0.039 R)
• M16: 18,946,122 km (0.055 R)
• M17: 20,375,679 km (0.087 R)
• M18: 22,200,922 km (0.027 R)
• M19: 25,006,481 km (0.115 R)
• M20: 26,632,460 km (0.118 R)
• M21: 27,189,712 km (0.081 R)
• M22: 27,944,882 km (0.076 R)
• M23: 30,093,856 km (0.108 R)
• M24: 30,597,103 km (0.062 R)
• M25: 33,627,956 km (0.07 R)
• M26: 38,718,472 km (0.096 R)
• M27: 40,890,932 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 14.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.01 AU - 8.45 AU

Year: 8740 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 104,869,972 km

• M1: 176,525 km (0.086 R)
• M2: 832,662 km (0.078 R)
• M3: 1,450,052 km (0.056 R)
• M4: 2,117,558 km (0.114 R)
• M5: 3,604,261 km (0.112 R)
• M6: 6,507,059 km (0.086 R)
• M7: 11,514,399 km (0.078 R)
• M8: 12,601,676 km (0.07 R)
• M9: 18,014,725 km (0.115 R)
• M10: 18,578,709 km (0.103 R)
• M11: 19,025,408 km (0.116 R)
• M12: 21,577,099 km (0.039 R)
• M13: 25,506,437 km (0.069 R)
• M14: 26,942,876 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.1

Radius: 7.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 9.03 AU - 14.83 AU

Year: 18526 Days

Day: 23.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 69.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 104,869,972 km

• M1: 88,263 km (0.093 R)
• M2: 313,258 km (0.088 R)
• M3: 761,304 km (0.106 R)
• M4: 1,013,825 km (0.08 R)
• M5: 1,375,702 km (0.102 R)
• M6: 2,025,106 km (0.064 R)
• M7: 3,139,910 km (0.113 R)
• M8: 6,506,909 km (0.089 R)
• M9: 7,886,949 km (0.115 R)
• M10: 10,069,133 km (0.025 R)
• M11: 10,767,756 km (0.065 R)
• M12: 11,326,803 km (0.095 R)
• M13: 12,502,642 km (0.09 R)
• M14: 15,512,402 km (0.044 R)
• M15: 15,937,559 km (0.078 R)
• M16: 17,410,948 km (0.11 R)
• M17: 19,953,962 km (0.074 R)
• M18: 21,663,118 km (0.099 R)
• M19: 24,501,738 km (0.069 R)
• M20: 28,836,186 km (0.105 R)
• M21: 29,371,298 km (0.111 R)
• M22: 32,375,223 km (0.068 R)
• M23: 34,010,627 km (0.087 R)
• M24: 40,434,360 km (0.115 R)
• M25: 48,069,237 km (0.052 R)
• M26: 50,040,937 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.9

Radius: 7.8

Gravity: 15.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 11.75 AU - 19.55 AU

Year: 27835 Days

Day: 17.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 104,869,972 km

• M1: 97,987 km (0.104 R)
• M2: 658,530 km (0.077 R)
• M3: 2,446,673 km (0.116 R)
• M4: 3,760,442 km (0.097 R)
• M5: 4,744,945 km (0.104 R)
• M6: 10,836,571 km (0.117 R)
• M7: 12,273,159 km (0.068 R)
• M8: 14,744,067 km (0.119 R)
• M9: 17,057,448 km (0.098 R)
• M10: 24,946,642 km (0.07 R)
• M11: 41,360,071 km (0.081 R)
• M12: 44,298,173 km (0.047 R)
• M13: 45,009,063 km (0.066 R)
• M14: 45,908,445 km (0.08 R)
• M15: 52,344,893 km (0.109 R)
• M16: 59,788,584 km (0.106 R)
• M17: 61,313,435 km (0.066 R)
• M18: 63,087,666 km (0.097 R)
• M19: 63,536,609 km (0.085 R)
• M20: 68,379,092 km (0.107 R)
• M21: 82,483,180 km (0.055 R)
• M22: 100,530,816 km (0.1 R)
• M23: 104,242,639 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 14,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit