🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.58 AU - 0.72 AU

Year: 234 Days

Day: 23.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,568,325 km

• M1: 32,762 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.8 AU - 1.08 AU

Year: 407 Days

Day: 39.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.41 AU - 2.07 AU

Year: 1024 Days

Day: 36.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.7

Radius: 8.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.76 AU - 4.68 AU

Year: 3868 Days

Day: 7.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,568,325 km

• M1: 103,223 km (0.105 R)
• M2: 626,965 km (0.111 R)
• M3: 971,937 km (0.101 R)
• M4: 1,245,402 km (0.091 R)
• M5: 1,707,360 km (0.12 R)
• M6: 2,279,722 km (0.093 R)
• M7: 2,548,400 km (0.106 R)
• M8: 3,259,289 km (0.087 R)
• M9: 7,241,135 km (0.111 R)
• M10: 7,660,907 km (0.091 R)
• M11: 8,408,298 km (0.064 R)
• M12: 8,727,689 km (0.085 R)
• M13: 10,286,499 km (0.083 R)
• M14: 10,652,116 km (0.076 R)
• M15: 11,889,440 km (0.095 R)
• M16: 13,219,964 km (0.073 R)
• M17: 14,293,478 km (0.098 R)
• M18: 15,162,043 km (0.12 R)
• M19: 15,796,039 km (0.077 R)
• M20: 17,116,839 km (0.105 R)
• M21: 18,037,314 km (0.047 R)
• M22: 20,291,904 km (0.071 R)
• M23: 20,738,603 km (0.037 R)
• M24: 21,984,155 km (0.093 R)
• M25: 22,864,838 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 12.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.56 AU - 5.96 AU

Year: 5383 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,568,325 km

• M1: 157,975 km (0.087 R)
• M2: 568,771 km (0.1 R)
• M3: 1,260,212 km (0.046 R)
• M4: 2,874,972 km (0.088 R)
• M5: 3,585,562 km (0.109 R)
• M6: 4,750,630 km (0.06 R)
• M7: 5,614,558 km (0.085 R)
• M8: 6,816,277 km (0.04 R)
• M9: 8,984,549 km (0.086 R)
• M10: 10,990,956 km (0.093 R)
• M11: 11,837,081 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 8.7

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.53 AU - 9.11 AU

Year: 8837 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,568,325 km

• M1: 108,159 km (0.119 R)
• M2: 446,998 km (0.106 R)
• M3: 765,792 km (0.054 R)
• M4: 2,060,711 km (0.092 R)
• M5: 2,797,929 km (0.058 R)
• M6: 3,094,133 km (0.043 R)
• M7: 3,364,755 km (0.057 R)
• M8: 4,006,231 km (0.089 R)
• M9: 5,728,850 km (0.1 R)
• M10: 6,423,433 km (0.104 R)
• M11: 8,711,832 km (0.028 R)
• M12: 9,026,137 km (0.067 R)
• M13: 9,868,972 km (0.114 R)
• M14: 10,814,430 km (0.075 R)
• M15: 11,495,400 km (0.096 R)
• M16: 12,942,759 km (0.114 R)
• M17: 15,335,876 km (0.07 R)
• M18: 16,465,938 km (0.07 R)
• M19: 16,808,518 km (0.092 R)
• M20: 18,081,745 km (0.085 R)
• M21: 20,898,972 km (0.12 R)
• M22: 23,045,253 km (0.058 R)
• M23: 23,474,150 km (0.074 R)
• M24: 24,436,663 km (0.099 R)
• M25: 25,516,460 km (0.068 R)
• M26: 26,816,017 km (0.044 R)
• M27: 33,871,501 km (0.039 R)
• M28: 42,071,260 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 13

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.92 AU - 8.94 AU

Year: 9037 Days

Day: 10.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,568,325 km

• M1: 161,865 km (0.074 R)
• M2: 657,782 km (0.112 R)
• M3: 1,180,028 km (0.067 R)
• M4: 1,613,263 km (0.113 R)
• M5: 2,214,946 km (0.111 R)
• M6: 2,907,584 km (0.078 R)
• M7: 3,609,497 km (0.113 R)
• M8: 5,324,487 km (0.116 R)
• M9: 8,462,901 km (0.055 R)
• M10: 10,157,097 km (0.092 R)
• M11: 13,824,638 km (0.112 R)
• M12: 14,652,064 km (0.039 R)
• M13: 15,570,595 km (0.086 R)
• M14: 21,106,315 km (0.063 R)
• M15: 24,273,302 km (0.081 R)
• M16: 26,805,096 km (0.095 R)
• M17: 30,142,774 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.5

Radius: 3.4

Gravity: 82.48 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.84 AU - 10.56 AU

Year: 14536 Days

Day: 18.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,568,325 km

• M1: 42,635 km (0.046 R)
• M2: 260,300 km (0.095 R)
• M3: 491,130 km (0.077 R)
• M4: 824,135 km (0.082 R)
• M5: 967,599 km (0.068 R)
• M6: 2,553,935 km (0.044 R)
• M7: 3,112,982 km (0.111 R)
• M8: 5,091,115 km (0.114 R)
• M9: 5,499,218 km (0.103 R)
• M10: 5,770,139 km (0.108 R)
• M11: 6,810,443 km (0.096 R)
• M12: 7,305,462 km (0.105 R)
• M13: 8,673,236 km (0.057 R)
• M14: 10,145,129 km (0.098 R)
• M15: 10,670,667 km (0.074 R)
• M16: 12,619,628 km (0.111 R)
• M17: 16,242,140 km (0.079 R)
• M18: 16,798,794 km (0.101 R)
• M19: 17,368,163 km (0.033 R)
• M20: 19,954,411 km (0.078 R)
• M21: 20,777,648 km (0.1 R)
• M22: 21,718,619 km (0.073 R)
• M23: 22,589,428 km (0.101 R)
• M24: 23,382,895 km (0.106 R)
• M25: 24,607,503 km (0.11 R)
• M26: 26,852,219 km (0.119 R)
• M27: 27,406,180 km (0.111 R)
• M28: 29,229,928 km (0.113 R)
• M29: 31,744,070 km (0.043 R)
• M30: 36,382,801 km (0.054 R)
• M31: 42,790,526 km (0.091 R)
• M32: 52,448,565 km (0.113 R)
• M33: 53,313,390 km (0.111 R)
• M34: 57,231,358 km (0.112 R)
• M35: 60,387,275 km (0.104 R)
• M36: 62,104,060 km (0.088 R)
• M37: 63,853,158 km (0.092 R)
• M38: 64,049,431 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440

Radius: 7.7

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.93 AU - 11.43 AU

Year: 15574 Days

Day: 16.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,568,325 km

• M1: 95,743 km (0.112 R)
• M2: 1,187,657 km (0.083 R)
• M3: 1,913,506 km (0.091 R)
• M4: 2,237,835 km (0.104 R)
• M5: 2,882,901 km (0.104 R)
• M6: 4,567,971 km (0.098 R)
• M7: 5,017,064 km (0.077 R)
• M8: 9,075,654 km (0.102 R)
• M9: 17,384,619 km (0.107 R)
• M10: 18,161,032 km (0.027 R)
• M11: 20,543,079 km (0.096 R)
• M12: 21,147,753 km (0.104 R)
• M13: 23,404,736 km (0.116 R)
• M14: 27,238,631 km (0.12 R)
• M15: 48,259,824 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 20,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit