🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.56 AU - 0.66 AU

Year: 175 Days

Day: 15.8 Hours

Environment

Temp: 160 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,319,368 km

• M1: 564,732 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.98 AU - 1.04 AU

Year: 373 Days

Day: 40.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.34 AU - 1.54 AU

Year: 634 Days

Day: 25.2 Hours

Environment

Temp: -41 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.38 AU - 1.64 AU

Year: 681 Days

Day: 31.7 Hours

Environment

Temp: -30 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,319,368 km

• M1: 44,131 km (0.111 R)
• M2: 170,392 km (0.108 R)

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.6

Radius: 10.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.1 AU - 11.26 AU

Year: 10210 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,319,368 km

• M1: 134,189 km (0.062 R)
• M2: 742,903 km (0.12 R)
• M3: 1,217,128 km (0.107 R)
• M4: 1,545,047 km (0.097 R)
• M5: 2,008,950 km (0.059 R)
• M6: 2,386,086 km (0.11 R)
• M7: 3,395,124 km (0.09 R)
• M8: 4,186,347 km (0.099 R)
• M9: 4,557,350 km (0.117 R)
• M10: 4,892,748 km (0.028 R)
• M11: 7,417,661 km (0.116 R)
• M12: 9,177,979 km (0.06 R)
• M13: 10,853,326 km (0.059 R)
• M14: 11,763,329 km (0.06 R)
• M15: 13,279,055 km (0.12 R)
• M16: 14,618,255 km (0.063 R)
• M17: 15,476,349 km (0.036 R)
• M18: 20,882,965 km (0.116 R)
• M19: 23,178,096 km (0.059 R)
• M20: 24,175,315 km (0.046 R)
• M21: 24,684,546 km (0.073 R)
• M22: 28,451,421 km (0.074 R)
• M23: 29,594,348 km (0.072 R)
• M24: 30,275,019 km (0.078 R)
• M25: 31,065,793 km (0.052 R)
• M26: 33,415,676 km (0.104 R)
• M27: 37,215,313 km (0.106 R)
• M28: 38,122,624 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.3

Radius: 13.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.27 AU - 11.85 AU

Year: 10851 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,319,368 km

• M1: 174,581 km (0.1 R)
• M2: 616,792 km (0.092 R)
• M3: 1,637,797 km (0.094 R)
• M4: 4,490,180 km (0.106 R)
• M5: 5,116,995 km (0.109 R)
• M6: 6,476,241 km (0.118 R)
• M7: 7,053,390 km (0.061 R)
• M8: 9,992,988 km (0.088 R)
• M9: 11,998,348 km (0.097 R)
• M10: 14,379,647 km (0.065 R)
• M11: 17,332,559 km (0.094 R)
• M12: 18,094,610 km (0.067 R)
• M13: 19,023,912 km (0.107 R)
• M14: 21,133,392 km (0.119 R)
• M15: 21,604,924 km (0.12 R)
• M16: 25,193,329 km (0.079 R)
• M17: 25,812,813 km (0.115 R)
• M18: 29,943,061 km (0.113 R)
• M19: 39,369,073 km (0.072 R)
• M20: 40,083,852 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 8.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.14 AU - 11.34 AU

Year: 11159 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,319,368 km

• M1: 111,600 km (0.091 R)
• M2: 511,326 km (0.115 R)
• M3: 935,735 km (0.068 R)
• M4: 1,496,428 km (0.06 R)
• M5: 1,817,016 km (0.116 R)
• M6: 2,333,278 km (0.107 R)
• M7: 2,617,215 km (0.062 R)
• M8: 3,170,278 km (0.119 R)
• M9: 3,704,492 km (0.103 R)
• M10: 6,844,103 km (0.069 R)
• M11: 7,892,335 km (0.105 R)
• M12: 8,496,112 km (0.033 R)
• M13: 9,750,340 km (0.052 R)
• M14: 11,524,422 km (0.107 R)
• M15: 12,301,433 km (0.05 R)
• M16: 14,484,963 km (0.105 R)
• M17: 17,244,595 km (0.111 R)
• M18: 19,315,628 km (0.105 R)
• M19: 21,856,997 km (0.078 R)
• M20: 25,638,981 km (0.099 R)
• M21: 28,887,050 km (0.074 R)
• M22: 31,001,466 km (0.089 R)
• M23: 31,595,519 km (0.075 R)
• M24: 32,096,373 km (0.027 R)
• M25: 32,602,612 km (0.091 R)
• M26: 35,643,787 km (0.091 R)
• M27: 36,295,884 km (0.115 R)
• M28: 36,624,850 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 12.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 9.99 AU - 14.49 AU

Year: 15720 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,319,368 km

• M1: 171,290 km (0.033 R)
• M2: 662,120 km (0.111 R)
• M3: 1,122,134 km (0.099 R)
• M4: 2,454,303 km (0.115 R)
• M5: 4,236,163 km (0.109 R)
• M6: 8,749,082 km (0.098 R)
• M7: 9,933,299 km (0.077 R)
• M8: 11,529,657 km (0.114 R)
• M9: 12,097,980 km (0.093 R)
• M10: 12,685,002 km (0.058 R)
• M11: 38,322,187 km (0.109 R)
• M12: 42,654,841 km (0.106 R)
• M13: 56,323,150 km (0.107 R)
• M14: 60,570,532 km (0.054 R)
• M15: 67,030,767 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.8

Radius: 3.8

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 11.68 AU - 15.46 AU

Year: 18350 Days

Day: 17.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,319,368 km

• M1: 49,517 km (0.105 R)
• M2: 232,026 km (0.11 R)
• M3: 401,371 km (0.085 R)
• M4: 531,671 km (0.058 R)
• M5: 908,957 km (0.12 R)
• M6: 1,072,168 km (0.077 R)
• M7: 1,266,645 km (0.093 R)
• M8: 2,253,542 km (0.12 R)
• M9: 2,988,217 km (0.078 R)
• M10: 4,328,465 km (0.098 R)
• M11: 5,581,197 km (0.063 R)
• M12: 9,899,789 km (0.099 R)
• M13: 10,096,211 km (0.026 R)
• M14: 10,855,869 km (0.088 R)
• M15: 17,483,054 km (0.1 R)
• M16: 24,726,434 km (0.052 R)
• M17: 26,569,629 km (0.086 R)
• M18: 29,503,243 km (0.117 R)
• M19: 36,235,297 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 15,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit