🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.82 AU

Year: 218 Days

Day: 18.4 Hours

Environment

Temp: 180 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.96 AU - 1.2 AU

Year: 418 Days

Day: 28.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 80,981,087 km

• M1: 204,799 km (0.099 R)
• M2: 347,366 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.44 AU - 1.58 AU

Year: 692 Days

Day: 26.9 Hours

Environment

Temp: -47 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,981,087 km

• M1: 62,532 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.59 AU - 4.09 AU

Year: 2805 Days

Day: 46.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,981,087 km

• M1: 235,916 km (0.089 R)

Asteroid Belt

Center: 4.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 13.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.47 AU - 4.59 AU

Year: 3594 Days

Day: 12.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,981,087 km

• M1: 167,849 km (0.083 R)
• M2: 941,868 km (0.046 R)
• M3: 1,627,924 km (0.102 R)
• M4: 2,580,114 km (0.094 R)
• M5: 3,181,947 km (0.104 R)
• M6: 3,998,452 km (0.109 R)
• M7: 4,848,916 km (0.118 R)
• M8: 5,328,527 km (0.054 R)
• M9: 6,807,451 km (0.059 R)
• M10: 7,356,924 km (0.054 R)
• M11: 7,795,246 km (0.104 R)
• M12: 9,565,138 km (0.076 R)
• M13: 13,762,555 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 15

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.2 AU - 7.74 AU

Year: 7611 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,981,087 km

• M1: 186,997 km (0.055 R)
• M2: 664,364 km (0.084 R)
• M3: 1,268,889 km (0.058 R)
• M4: 1,792,182 km (0.095 R)
• M5: 2,427,225 km (0.055 R)
• M6: 3,086,204 km (0.116 R)
• M7: 3,582,869 km (0.113 R)
• M8: 4,685,106 km (0.086 R)
• M9: 5,286,041 km (0.12 R)
• M10: 5,841,797 km (0.116 R)
• M11: 7,556,338 km (0.037 R)
• M12: 10,134,807 km (0.101 R)
• M13: 11,649,037 km (0.111 R)
• M14: 12,274,206 km (0.12 R)
• M15: 16,058,135 km (0.098 R)
• M16: 17,633,251 km (0.094 R)
• M17: 20,038,036 km (0.09 R)
• M18: 22,176,987 km (0.11 R)
• M19: 23,712,459 km (0.097 R)
• M20: 25,404,411 km (0.096 R)
• M21: 26,814,820 km (0.098 R)
• M22: 29,122,517 km (0.066 R)
• M23: 29,599,435 km (0.093 R)
• M24: 30,765,401 km (0.076 R)
• M25: 33,709,636 km (0.058 R)
• M26: 37,845,718 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 11.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.21 AU - 9.57 AU

Year: 8262 Days

Day: 12.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,981,087 km

• M1: 138,079 km (0.092 R)
• M2: 534,064 km (0.068 R)
• M3: 989,440 km (0.084 R)
• M4: 1,580,053 km (0.11 R)
• M5: 2,176,051 km (0.085 R)
• M6: 2,917,158 km (0.117 R)
• M7: 4,095,092 km (0.086 R)
• M8: 4,791,919 km (0.112 R)
• M9: 6,075,618 km (0.081 R)
• M10: 7,257,741 km (0.103 R)
• M11: 8,548,172 km (0.119 R)
• M12: 9,985,807 km (0.107 R)
• M13: 10,876,513 km (0.101 R)
• M14: 15,435,060 km (0.1 R)
• M15: 16,503,338 km (0.08 R)
• M16: 17,875,001 km (0.115 R)
• M17: 19,052,785 km (0.087 R)
• M18: 20,281,432 km (0.096 R)
• M19: 21,417,329 km (0.059 R)
• M20: 22,371,165 km (0.09 R)
• M21: 23,123,941 km (0.085 R)
• M22: 25,321,534 km (0.081 R)
• M23: 28,434,666 km (0.038 R)
• M24: 29,676,328 km (0.108 R)
• M25: 30,769,140 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 12.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.14 AU - 12.18 AU

Year: 12072 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,981,087 km

• M1: 157,527 km (0.077 R)
• M2: 773,720 km (0.075 R)
• M3: 1,262,756 km (0.077 R)
• M4: 1,774,829 km (0.119 R)
• M5: 2,805,708 km (0.081 R)
• M6: 3,402,903 km (0.108 R)
• M7: 4,724,151 km (0.112 R)
• M8: 5,119,538 km (0.084 R)
• M9: 5,572,820 km (0.104 R)
• M10: 6,091,027 km (0.053 R)
• M11: 11,587,552 km (0.102 R)
• M12: 14,387,126 km (0.053 R)
• M13: 15,436,855 km (0.078 R)
• M14: 18,083,989 km (0.079 R)
• M15: 19,223,027 km (0.114 R)
• M16: 19,895,021 km (0.093 R)
• M17: 26,874,210 km (0.105 R)
• M18: 28,034,342 km (0.045 R)
• M19: 32,772,256 km (0.071 R)
• M20: 35,455,443 km (0.047 R)
• M21: 39,614,863 km (0.082 R)
• M22: 43,511,887 km (0.068 R)
• M23: 46,898,633 km (0.119 R)
• M24: 53,200,444 km (0.077 R)
• M25: 53,860,170 km (0.08 R)
• M26: 55,027,632 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.7

Radius: 5.8

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 13.95 AU - 17.97 AU

Year: 23769 Days

Day: 16 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,981,087 km

• M1: 72,256 km (0.046 R)
• M2: 294,109 km (0.117 R)
• M3: 627,114 km (0.12 R)
• M4: 945,459 km (0.09 R)
• M5: 1,351,617 km (0.089 R)
• M6: 1,544,000 km (0.075 R)
• M7: 1,905,877 km (0.065 R)
• M8: 2,234,843 km (0.081 R)
• M9: 2,625,143 km (0.11 R)
• M10: 3,224,133 km (0.088 R)
• M11: 3,452,719 km (0.12 R)
• M12: 4,104,367 km (0.116 R)
• M13: 5,446,858 km (0.026 R)
• M14: 6,504,964 km (0.111 R)
• M15: 7,593,438 km (0.082 R)
• M16: 10,064,945 km (0.065 R)
• M17: 10,616,512 km (0.08 R)
• M18: 12,671,388 km (0.105 R)
• M19: 15,695,659 km (0.113 R)
• M20: 16,353,441 km (0.114 R)
• M21: 18,256,924 km (0.071 R)
• M22: 18,984,119 km (0.114 R)
• M23: 20,886,705 km (0.063 R)
• M24: 31,160,638 km (0.08 R)
• M25: 31,806,452 km (0.115 R)
• M26: 34,754,577 km (0.107 R)
• M27: 38,026,283 km (0.115 R)
• M28: 39,812,033 km (0.071 R)
• M29: 45,174,219 km (0.114 R)
• M30: 49,585,112 km (0.094 R)
• M31: 57,883,007 km (0.111 R)
• M32: 58,077,185 km (0.104 R)
• M33: 61,042,813 km (0.114 R)
• M34: 62,664,902 km (0.081 R)
• M35: 65,995,101 km (0.093 R)
• M36: 66,632,388 km (0.106 R)
• M37: 67,919,228 km (0.093 R)
• M38: 68,786,298 km (0.104 R)
• M39: 70,542,577 km (0.087 R)
• M40: 71,879,084 km (0.104 R)
• M41: 73,232,496 km (0.113 R)
• M42: 73,459,735 km (0.099 R)
• M43: 76,456,330 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 11,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit