🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.48 AU - 0.64 AU

Year: 148 Days

Day: 40 Hours

Environment

Temp: 251 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.28 AU - 1.52 AU

Year: 585 Days

Day: 28.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.77 AU - 3.11 AU

Year: 1780 Days

Day: 34.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 118,570,972 km

• M1: 231,877 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.7 AU - 4.72 AU

Year: 3050 Days

Day: 12.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 13.9

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.3 AU - 5.74 AU

Year: 4579 Days

Day: 10 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 118,570,972 km

• M1: 197,768 km (0.103 R)
• M2: 734,974 km (0.072 R)
• M3: 1,753,736 km (0.086 R)
• M4: 2,219,733 km (0.086 R)
• M5: 2,991,209 km (0.053 R)
• M6: 3,430,130 km (0.111 R)
• M7: 4,415,381 km (0.112 R)
• M8: 7,150,329 km (0.119 R)
• M9: 8,207,986 km (0.098 R)
• M10: 8,955,976 km (0.095 R)
• M11: 12,310,259 km (0.119 R)
• M12: 15,291,745 km (0.06 R)
• M13: 19,264,466 km (0.103 R)
• M14: 21,819,448 km (0.107 R)
• M15: 22,416,643 km (0.077 R)
• M16: 22,948,014 km (0.077 R)
• M17: 23,410,122 km (0.094 R)
• M18: 29,724,648 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.4

Radius: 14.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.29 AU - 10.51 AU

Year: 10999 Days

Day: 6.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 118,570,972 km

• M1: 184,155 km (0.119 R)
• M2: 831,016 km (0.113 R)
• M3: 1,493,884 km (0.058 R)
• M4: 2,272,541 km (0.03 R)
• M5: 3,562,673 km (0.05 R)
• M6: 4,131,594 km (0.061 R)
• M7: 5,024,394 km (0.051 R)
• M8: 5,874,858 km (0.059 R)
• M9: 7,080,467 km (0.105 R)
• M10: 7,823,071 km (0.1 R)
• M11: 9,556,462 km (0.085 R)
• M12: 12,397,176 km (0.093 R)
• M13: 13,302,841 km (0.101 R)
• M14: 13,891,060 km (0.116 R)
• M15: 15,695,659 km (0.089 R)
• M16: 16,286,421 km (0.083 R)
• M17: 20,767,326 km (0.119 R)
• M18: 22,045,191 km (0.094 R)
• M19: 27,119,102 km (0.1 R)
• M20: 29,035,451 km (0.061 R)
• M21: 31,246,208 km (0.105 R)
• M22: 32,077,224 km (0.084 R)
• M23: 36,000,578 km (0.102 R)
• M24: 38,668,357 km (0.08 R)
• M25: 39,868,431 km (0.101 R)
• M26: 40,355,372 km (0.085 R)
• M27: 41,839,981 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.3

Radius: 5.5

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.64 AU - 17.76 AU

Year: 19901 Days

Day: 23.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 118,570,972 km

• M1: 68,366 km (0.12 R)
• M2: 555,008 km (0.044 R)
• M3: 1,282,802 km (0.104 R)
• M4: 1,599,500 km (0.087 R)
• M5: 1,793,379 km (0.103 R)
• M6: 5,852,418 km (0.105 R)
• M7: 6,355,815 km (0.054 R)
• M8: 6,597,565 km (0.079 R)
• M9: 8,179,563 km (0.114 R)
• M10: 15,617,569 km (0.096 R)
• M11: 18,387,224 km (0.116 R)
• M12: 19,462,982 km (0.074 R)
• M13: 21,109,606 km (0.03 R)
• M14: 33,098,828 km (0.095 R)
• M15: 40,438,548 km (0.104 R)
• M16: 41,548,265 km (0.118 R)
• M17: 41,969,683 km (0.109 R)
• M18: 42,535,911 km (0.093 R)
• M19: 43,250,839 km (0.055 R)
• M20: 54,620,277 km (0.098 R)
• M21: 56,489,353 km (0.061 R)
• M22: 57,700,946 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.3

Radius: 6.2

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 17.72 AU - 22.02 AU

Year: 31275 Days

Day: 18.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 87.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 118,570,972 km

• M1: 77,043 km (0.07 R)
• M2: 408,851 km (0.065 R)
• M3: 699,520 km (0.094 R)
• M4: 936,333 km (0.036 R)
• M5: 1,418,936 km (0.09 R)
• M6: 1,784,852 km (0.114 R)
• M7: 1,990,400 km (0.073 R)
• M8: 4,400,721 km (0.106 R)
• M9: 5,642,682 km (0.077 R)
• M10: 7,783,428 km (0.1 R)
• M11: 8,001,541 km (0.098 R)
• M12: 9,520,109 km (0.101 R)
• M13: 10,478,732 km (0.093 R)
• M14: 11,926,541 km (0.055 R)
• M15: 17,711,191 km (0.074 R)
• M16: 29,772,220 km (0.115 R)
• M17: 33,216,412 km (0.042 R)
• M18: 42,043,434 km (0.07 R)
• M19: 59,592,312 km (0.106 R)
• M20: 61,944,140 km (0.049 R)
• M21: 67,977,572 km (0.112 R)
• M22: 70,072,690 km (0.108 R)
• M23: 71,970,788 km (0.036 R)
• M24: 87,039,183 km (0.053 R)
• M25: 87,311,301 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.6

Radius: 7.7

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 17.47 AU - 23.93 AU

Year: 33255 Days

Day: 22.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 118,570,972 km

• M1: 97,538 km (0.067 R)
• M2: 520,152 km (0.09 R)
• M3: 1,427,313 km (0.12 R)
• M4: 1,924,876 km (0.09 R)
• M5: 2,325,648 km (0.1 R)
• M6: 7,342,114 km (0.084 R)
• M7: 8,201,554 km (0.107 R)
• M8: 8,563,581 km (0.102 R)
• M9: 11,627,644 km (0.104 R)
• M10: 12,396,278 km (0.081 R)
• M11: 15,811,597 km (0.099 R)
• M12: 23,331,434 km (0.072 R)
• M13: 24,181,449 km (0.087 R)
• M14: 26,331,469 km (0.115 R)
• M15: 27,788,702 km (0.078 R)
• M16: 28,605,806 km (0.09 R)
• M17: 29,298,893 km (0.092 R)
• M18: 31,299,166 km (0.027 R)
• M19: 32,632,083 km (0.041 R)
• M20: 34,467,499 km (0.076 R)
• M21: 35,569,437 km (0.075 R)
• M22: 39,868,132 km (0.107 R)
• M23: 56,752,047 km (0.034 R)
• M24: 58,730,778 km (0.113 R)
• M25: 63,058,345 km (0.115 R)
• M26: 75,190,134 km (0.115 R)
• M27: 77,040,959 km (0.116 R)
• M28: 80,284,091 km (0.113 R)
• M29: 92,652,095 km (0.084 R)
• M30: 105,571,517 km (0.118 R)
• M31: 107,890,882 km (0.045 R)
• M32: 112,974,666 km (0.115 R)
• M33: 116,100,364 km (0.072 R)
• M34: 116,451,171 km (0.069 R)
• M35: 117,154,880 km (0.082 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 15,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit