🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.99 AU - 1.15 AU

Year: 426 Days

Day: 12.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 113.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.34 AU - 1.56 AU

Year: 672 Days

Day: 21.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.31 AU - 1.63 AU

Year: 686 Days

Day: 21.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.24 AU - 1.8 AU

Year: 721 Days

Day: 33.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,556,982 km

• M1: 224,397 km (0.108 R)
• M2: 1,032,375 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.96 AU - 3.6 AU

Year: 2287 Days

Day: 19.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.67 AU - 4.05 AU

Year: 2920 Days

Day: 19.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,556,982 km

• M1: 64,028 km (0.1 R)

Asteroid Belt

Center: 5.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.8

Radius: 14.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.07 AU - 9.81 AU

Year: 8614 Days

Day: 7.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,556,982 km

• M1: 185,053 km (0.109 R)
• M2: 676,482 km (0.064 R)
• M3: 1,775,278 km (0.057 R)
• M4: 3,671,581 km (0.037 R)
• M5: 4,240,501 km (0.079 R)
• M6: 5,925,871 km (0.098 R)
• M7: 8,023,383 km (0.099 R)
• M8: 10,577,766 km (0.04 R)
• M9: 14,000,117 km (0.071 R)
• M10: 14,624,239 km (0.089 R)
• M11: 17,026,631 km (0.074 R)
• M12: 17,738,268 km (0.084 R)
• M13: 18,469,503 km (0.091 R)
• M14: 21,107,811 km (0.095 R)
• M15: 23,374,817 km (0.112 R)
• M16: 27,994,698 km (0.06 R)
• M17: 29,389,998 km (0.096 R)
• M18: 31,996,292 km (0.079 R)
• M19: 36,598,670 km (0.049 R)
• M20: 38,145,512 km (0.094 R)
• M21: 39,735,588 km (0.046 R)
• M22: 41,881,121 km (0.11 R)
• M23: 43,047,685 km (0.047 R)
• M24: 43,705,168 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.6

Radius: 5.5

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 11.93 AU - 13.08 AU

Year: 17015 Days

Day: 21.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,556,982 km

• M1: 71,508 km (0.106 R)
• M2: 345,122 km (0.118 R)
• M3: 575,353 km (0.032 R)
• M4: 1,456,784 km (0.082 R)
• M5: 1,846,187 km (0.095 R)
• M6: 2,074,773 km (0.052 R)
• M7: 3,436,113 km (0.062 R)
• M8: 5,134,199 km (0.11 R)
• M9: 5,843,293 km (0.047 R)
• M10: 6,778,130 km (0.079 R)
• M11: 7,367,396 km (0.09 R)
• M12: 8,267,526 km (0.108 R)
• M13: 12,544,529 km (0.08 R)
• M14: 13,109,561 km (0.062 R)
• M15: 14,155,848 km (0.083 R)
• M16: 14,425,872 km (0.098 R)
• M17: 16,339,528 km (0.068 R)
• M18: 18,415,947 km (0.053 R)
• M19: 21,272,668 km (0.084 R)
• M20: 22,898,497 km (0.112 R)
• M21: 25,192,581 km (0.076 R)
• M22: 29,458,364 km (0.11 R)
• M23: 34,181,617 km (0.11 R)
• M24: 35,653,960 km (0.108 R)
• M25: 40,594,579 km (0.115 R)
• M26: 44,513,894 km (0.056 R)
• M27: 47,916,048 km (0.067 R)
• M28: 50,382,618 km (0.088 R)
• M29: 51,012,126 km (0.119 R)
• M30: 51,328,825 km (0.116 R)
• M31: 51,646,870 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.6

Radius: 5.7

Gravity: 29.47 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 12.06 AU - 13.14 AU

Year: 17220 Days

Day: 19.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,556,982 km

• M1: 98,435 km (0.083 R)
• M2: 325,375 km (0.037 R)
• M3: 558,000 km (0.075 R)
• M4: 1,147,715 km (0.04 R)
• M5: 1,331,571 km (0.119 R)
• M6: 1,551,629 km (0.032 R)
• M7: 1,796,072 km (0.118 R)
• M8: 2,086,292 km (0.107 R)
• M9: 2,591,634 km (0.109 R)
• M10: 2,911,474 km (0.1 R)
• M11: 3,600,522 km (0.09 R)
• M12: 5,334,062 km (0.118 R)
• M13: 6,272,938 km (0.081 R)
• M14: 6,668,624 km (0.081 R)
• M15: 7,558,732 km (0.073 R)
• M16: 7,805,568 km (0.082 R)
• M17: 9,629,166 km (0.09 R)
• M18: 10,335,567 km (0.111 R)
• M19: 11,075,778 km (0.104 R)
• M20: 13,293,117 km (0.113 R)
• M21: 13,945,663 km (0.108 R)
• M22: 14,392,362 km (0.091 R)
• M23: 14,925,679 km (0.078 R)
• M24: 23,311,537 km (0.065 R)
• M25: 25,123,167 km (0.086 R)
• M26: 26,119,190 km (0.117 R)
• M27: 29,265,083 km (0.087 R)
• M28: 37,568,663 km (0.079 R)
• M29: 40,802,071 km (0.081 R)
• M30: 45,503,484 km (0.112 R)
• M31: 48,830,540 km (0.091 R)
• M32: 53,393,425 km (0.113 R)
• M33: 59,973,338 km (0.075 R)
• M34: 63,355,745 km (0.072 R)
• M35: 65,610,784 km (0.082 R)
• M36: 70,280,481 km (0.034 R)
• M37: 76,078,895 km (0.1 R)
• M38: 76,767,793 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.7

Radius: 6.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 11.78 AU - 13.6 AU

Year: 17404 Days

Day: 17.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,556,982 km

• M1: 78,090 km (0.071 R)
• M2: 464,950 km (0.091 R)
• M3: 967,898 km (0.111 R)
• M4: 1,827,936 km (0.072 R)
• M5: 2,395,062 km (0.084 R)
• M6: 5,425,466 km (0.096 R)
• M7: 9,471,640 km (0.091 R)
• M8: 10,989,759 km (0.106 R)
• M9: 11,911,431 km (0.028 R)
• M10: 12,337,187 km (0.078 R)
• M11: 13,446,156 km (0.101 R)
• M12: 14,680,338 km (0.119 R)
• M13: 15,293,839 km (0.056 R)
• M14: 15,543,967 km (0.039 R)
• M15: 21,138,778 km (0.069 R)
• M16: 21,371,402 km (0.05 R)
• M17: 22,238,771 km (0.103 R)
• M18: 26,749,595 km (0.106 R)
• M19: 31,936,004 km (0.026 R)
• M20: 32,447,629 km (0.116 R)
• M21: 34,764,002 km (0.073 R)
• M22: 35,742,522 km (0.099 R)
• M23: 36,294,089 km (0.117 R)
• M24: 38,557,056 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 16,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit