🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.74 AU - 0.74 AU

Year: 240 Days

Day: 38.1 Hours

Environment

Temp: 114 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.02 AU - 1.1 AU

Year: 411 Days

Day: 21.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.18 AU - 1.22 AU

Year: 495 Days

Day: 47.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,989,960 km

• M1: 282,441 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.29 AU - 3.93 AU

Year: 2584 Days

Day: 27.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,989,960 km

• M1: 206,595 km (0.082 R)
• M2: 990,787 km (0.089 R)

Asteroid Belt

Center: 4.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 11.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.17 AU - 6.07 AU

Year: 4364 Days

Day: 11.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,989,960 km

• M1: 142,567 km (0.073 R)
• M2: 500,554 km (0.098 R)
• M3: 1,010,982 km (0.111 R)
• M4: 1,489,097 km (0.082 R)
• M5: 2,246,212 km (0.107 R)
• M6: 2,947,676 km (0.087 R)
• M7: 3,683,997 km (0.087 R)
• M8: 4,860,285 km (0.12 R)
• M9: 7,387,143 km (0.099 R)
• M10: 8,261,692 km (0.058 R)
• M11: 10,258,375 km (0.097 R)
• M12: 10,728,112 km (0.086 R)
• M13: 13,095,947 km (0.106 R)
• M14: 13,446,156 km (0.108 R)
• M15: 13,957,332 km (0.086 R)
• M16: 15,072,883 km (0.075 R)
• M17: 16,827,217 km (0.048 R)
• M18: 17,481,110 km (0.094 R)
• M19: 17,844,932 km (0.108 R)
• M20: 18,776,777 km (0.098 R)
• M21: 19,545,261 km (0.113 R)
• M22: 19,937,357 km (0.082 R)
• M23: 24,002,829 km (0.087 R)
• M24: 24,377,272 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.6

Radius: 13.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.44 AU - 11.64 AU

Year: 11101 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,989,960 km

• M1: 171,589 km (0.105 R)
• M2: 772,523 km (0.055 R)
• M3: 3,735,608 km (0.085 R)
• M4: 5,746,653 km (0.089 R)
• M5: 7,358,869 km (0.101 R)
• M6: 8,487,286 km (0.118 R)
• M7: 9,348,521 km (0.076 R)
• M8: 10,774,338 km (0.052 R)
• M9: 13,506,444 km (0.082 R)
• M10: 18,168,512 km (0.115 R)
• M11: 24,428,584 km (0.081 R)
• M12: 26,451,447 km (0.083 R)
• M13: 29,184,899 km (0.084 R)
• M14: 33,741,351 km (0.112 R)
• M15: 37,187,787 km (0.071 R)
• M16: 37,664,406 km (0.107 R)
• M17: 39,984,070 km (0.076 R)
• M18: 44,237,138 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 4.5

Gravity: 34.79 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 11.49 AU - 15.91 AU

Year: 19103 Days

Day: 17.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,989,960 km

• M1: 56,548 km (0.081 R)
• M2: 302,188 km (0.074 R)
• M3: 816,505 km (0.096 R)
• M4: 1,218,923 km (0.119 R)
• M5: 1,488,648 km (0.116 R)
• M6: 1,742,965 km (0.063 R)
• M7: 2,611,081 km (0.115 R)
• M8: 3,112,384 km (0.103 R)
• M9: 3,329,899 km (0.049 R)
• M10: 3,499,693 km (0.077 R)
• M11: 3,735,160 km (0.12 R)
• M12: 3,949,683 km (0.115 R)
• M13: 4,107,958 km (0.092 R)
• M14: 4,678,075 km (0.072 R)
• M15: 5,185,810 km (0.05 R)
• M16: 5,769,691 km (0.084 R)
• M17: 6,224,917 km (0.037 R)
• M18: 6,439,590 km (0.028 R)
• M19: 7,588,053 km (0.085 R)
• M20: 7,734,360 km (0.094 R)
• M21: 8,600,082 km (0.038 R)
• M22: 10,401,241 km (0.105 R)
• M23: 11,074,431 km (0.08 R)
• M24: 11,389,783 km (0.1 R)
• M25: 12,104,712 km (0.106 R)
• M26: 12,575,047 km (0.082 R)
• M27: 12,918,375 km (0.074 R)
• M28: 13,767,642 km (0.108 R)
• M29: 13,985,755 km (0.06 R)
• M30: 19,843,260 km (0.057 R)
• M31: 20,214,861 km (0.12 R)
• M32: 24,934,973 km (0.087 R)
• M33: 25,259,002 km (0.113 R)
• M34: 34,168,752 km (0.096 R)
• M35: 34,836,856 km (0.112 R)
• M36: 41,395,975 km (0.078 R)
• M37: 49,577,931 km (0.094 R)
• M38: 60,896,057 km (0.079 R)
• M39: 68,197,630 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.8

Radius: 3.7

Gravity: 22.92 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 18.08 AU - 18.52 AU

Year: 29492 Days

Day: 15.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,989,960 km

• M1: 46,226 km (0.092 R)
• M2: 600,486 km (0.032 R)
• M3: 769,681 km (0.088 R)
• M4: 1,044,193 km (0.096 R)
• M5: 1,995,636 km (0.05 R)
• M6: 2,117,109 km (0.08 R)
• M7: 4,279,397 km (0.105 R)
• M8: 5,632,509 km (0.049 R)
• M9: 6,966,474 km (0.119 R)
• M10: 7,731,068 km (0.113 R)
• M11: 9,653,401 km (0.091 R)
• M12: 10,848,090 km (0.097 R)
• M13: 13,670,852 km (0.091 R)
• M14: 17,283,790 km (0.06 R)
• M15: 19,768,162 km (0.091 R)
• M16: 21,387,110 km (0.046 R)
• M17: 22,683,226 km (0.101 R)
• M18: 35,533,683 km (0.082 R)
• M19: 36,363,353 km (0.102 R)
• M20: 38,783,697 km (0.114 R)
• M21: 38,929,256 km (0.089 R)
• M22: 52,865,494 km (0.077 R)
• M23: 55,040,946 km (0.117 R)
• M24: 55,593,860 km (0.086 R)
• M25: 66,608,452 km (0.098 R)
• M26: 67,446,499 km (0.113 R)
• M27: 68,079,747 km (0.116 R)
• M28: 70,435,315 km (0.084 R)
• M29: 71,523,789 km (0.084 R)
• M30: 75,082,274 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 19,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit