🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.77 AU - 1.01 AU

Year: 318 Days

Day: 40.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.87 AU - 2.89 AU

Year: 1391 Days

Day: 43.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.27 AU - 3.35 AU

Year: 1784 Days

Day: 20.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 13.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.77 AU - 7.91 AU

Year: 6775 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,860,357 km

• M1: 166,353 km (0.088 R)
• M2: 1,393,205 km (0.081 R)
• M3: 2,179,491 km (0.064 R)
• M4: 3,344,260 km (0.076 R)
• M5: 5,154,993 km (0.112 R)
• M6: 10,964,776 km (0.109 R)
• M7: 13,657,986 km (0.083 R)
• M8: 15,073,481 km (0.056 R)
• M9: 15,875,027 km (0.104 R)
• M10: 23,420,893 km (0.039 R)
• M11: 24,731,221 km (0.053 R)
• M12: 26,008,637 km (0.098 R)
• M13: 28,349,096 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 11.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.38 AU - 8.72 AU

Year: 9469 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,860,357 km

• M1: 143,165 km (0.118 R)
• M2: 614,698 km (0.086 R)
• M3: 1,057,507 km (0.117 R)
• M4: 1,428,211 km (0.075 R)
• M5: 2,071,781 km (0.057 R)
• M6: 2,701,438 km (0.096 R)
• M7: 3,110,589 km (0.075 R)
• M8: 3,757,899 km (0.087 R)
• M9: 4,594,599 km (0.071 R)
• M10: 5,043,842 km (0.096 R)
• M11: 6,249,451 km (0.072 R)
• M12: 7,073,586 km (0.071 R)
• M13: 11,582,914 km (0.044 R)
• M14: 12,519,397 km (0.07 R)
• M15: 13,827,481 km (0.114 R)
• M16: 15,987,524 km (0.059 R)
• M17: 17,525,839 km (0.052 R)
• M18: 20,049,705 km (0.076 R)
• M19: 26,137,890 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.9

Radius: 4.8

Gravity: 32.07 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 9.71 AU - 15.75 AU

Year: 17202 Days

Day: 21.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,860,357 km

• M1: 60,138 km (0.105 R)
• M2: 245,041 km (0.056 R)
• M3: 491,878 km (0.099 R)
• M4: 685,158 km (0.119 R)
• M5: 1,416,991 km (0.114 R)
• M6: 2,221,977 km (0.095 R)
• M7: 2,687,077 km (0.061 R)
• M8: 3,631,638 km (0.077 R)
• M9: 4,083,872 km (0.081 R)
• M10: 5,063,439 km (0.102 R)
• M11: 5,472,889 km (0.065 R)
• M12: 5,864,087 km (0.046 R)
• M13: 6,190,360 km (0.08 R)
• M14: 6,442,731 km (0.091 R)
• M15: 8,927,253 km (0.085 R)
• M16: 12,509,972 km (0.099 R)
• M17: 12,778,201 km (0.063 R)
• M18: 14,988,659 km (0.034 R)
• M19: 18,545,199 km (0.117 R)
• M20: 19,336,123 km (0.052 R)
• M21: 20,890,894 km (0.12 R)
• M22: 24,559,183 km (0.112 R)
• M23: 24,874,236 km (0.076 R)
• M24: 26,489,744 km (0.077 R)
• M25: 28,634,678 km (0.109 R)
• M26: 30,407,862 km (0.048 R)
• M27: 34,827,132 km (0.09 R)
• M28: 37,120,318 km (0.068 R)
• M29: 41,557,391 km (0.083 R)
• M30: 42,455,128 km (0.059 R)
• M31: 44,444,480 km (0.088 R)
• M32: 53,902,806 km (0.083 R)
• M33: 55,149,405 km (0.059 R)
• M34: 57,515,295 km (0.108 R)
• M35: 59,380,631 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.9

Radius: 4.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 11.66 AU - 14.08 AU

Year: 17487 Days

Day: 22 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,860,357 km

• M1: 60,138 km (0.061 R)
• M2: 218,712 km (0.075 R)
• M3: 527,332 km (0.094 R)
• M4: 941,120 km (0.069 R)
• M5: 1,364,482 km (0.054 R)
• M6: 1,706,762 km (0.045 R)
• M7: 2,931,669 km (0.115 R)
• M8: 4,624,519 km (0.03 R)
• M9: 8,540,842 km (0.111 R)
• M10: 9,243,054 km (0.05 R)
• M11: 14,335,814 km (0.088 R)
• M12: 15,101,307 km (0.115 R)
• M13: 15,893,876 km (0.116 R)
• M14: 16,535,651 km (0.056 R)
• M15: 17,499,959 km (0.041 R)
• M16: 18,310,480 km (0.104 R)
• M17: 19,805,412 km (0.105 R)
• M18: 20,073,491 km (0.117 R)
• M19: 20,961,354 km (0.115 R)
• M20: 26,035,714 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.6

Radius: 4.9

Gravity: 22.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 13.65 AU - 16.91 AU

Year: 22622 Days

Day: 21.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,860,357 km

• M1: 60,886 km (0.026 R)
• M2: 219,909 km (0.118 R)
• M3: 460,313 km (0.096 R)
• M4: 814,261 km (0.074 R)
• M5: 1,121,984 km (0.12 R)
• M6: 1,347,578 km (0.105 R)
• M7: 1,797,269 km (0.046 R)
• M8: 2,385,338 km (0.057 R)
• M9: 3,283,075 km (0.082 R)
• M10: 3,509,716 km (0.041 R)
• M11: 5,022,001 km (0.051 R)
• M12: 6,045,549 km (0.107 R)
• M13: 7,731,368 km (0.093 R)
• M14: 8,133,337 km (0.117 R)
• M15: 8,815,803 km (0.097 R)
• M16: 11,029,402 km (0.112 R)
• M17: 14,926,876 km (0.044 R)
• M18: 15,236,094 km (0.109 R)
• M19: 16,027,766 km (0.057 R)
• M20: 16,189,182 km (0.065 R)
• M21: 16,351,945 km (0.105 R)
• M22: 17,435,781 km (0.11 R)
• M23: 17,606,622 km (0.053 R)
• M24: 18,213,541 km (0.078 R)
• M25: 19,653,121 km (0.117 R)
• M26: 19,931,373 km (0.064 R)
• M27: 24,211,518 km (0.097 R)
• M28: 28,000,682 km (0.069 R)
• M29: 38,003,544 km (0.104 R)
• M30: 42,314,655 km (0.084 R)
• M31: 42,933,841 km (0.076 R)
• M32: 55,318,749 km (0.109 R)
• M33: 57,558,678 km (0.055 R)
• M34: 57,937,759 km (0.086 R)
• M35: 60,834,273 km (0.117 R)
• M36: 69,669,823 km (0.091 R)
• M37: 75,406,452 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 13,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit