🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.61 AU - 0.89 AU

Year: 243 Days

Day: 42.7 Hours

Environment

Temp: 85 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.9 AU - 1.24 AU

Year: 415 Days

Day: 32.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 42,474,201 km

• M1: 31,266 km (0.06 R)
• M2: 400,174 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.07 AU - 4.35 AU

Year: 2678 Days

Day: 29.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 12.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.38 AU - 6.7 AU

Year: 5563 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,474,201 km

• M1: 160,519 km (0.044 R)
• M2: 616,642 km (0.11 R)
• M3: 1,418,038 km (0.096 R)
• M4: 1,971,102 km (0.032 R)
• M5: 2,485,718 km (0.104 R)
• M6: 2,954,708 km (0.064 R)
• M7: 3,730,971 km (0.111 R)
• M8: 4,306,773 km (0.082 R)
• M9: 5,158,284 km (0.053 R)
• M10: 5,559,805 km (0.093 R)
• M11: 7,164,840 km (0.062 R)
• M12: 7,893,232 km (0.034 R)
• M13: 8,740,405 km (0.092 R)
• M14: 9,240,810 km (0.103 R)
• M15: 10,065,842 km (0.052 R)
• M16: 11,269,208 km (0.098 R)
• M17: 14,695,597 km (0.078 R)
• M18: 18,296,717 km (0.078 R)
• M19: 19,537,033 km (0.065 R)
• M20: 19,962,639 km (0.098 R)
• M21: 20,394,379 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 12.6

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.93 AU - 6.65 AU

Year: 5912 Days

Day: 14.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,474,201 km

• M1: 156,629 km (0.09 R)
• M2: 627,264 km (0.12 R)
• M3: 1,034,768 km (0.074 R)
• M4: 1,731,745 km (0.11 R)
• M5: 2,374,268 km (0.111 R)
• M6: 2,874,673 km (0.1 R)
• M7: 3,295,641 km (0.106 R)
• M8: 3,712,271 km (0.09 R)
• M9: 4,314,403 km (0.081 R)
• M10: 5,684,420 km (0.113 R)
• M11: 6,320,360 km (0.085 R)
• M12: 7,849,101 km (0.107 R)
• M13: 8,316,744 km (0.095 R)
• M14: 9,877,349 km (0.088 R)
• M15: 10,423,082 km (0.079 R)
• M16: 10,893,268 km (0.049 R)
• M17: 12,651,492 km (0.098 R)
• M18: 16,915,330 km (0.101 R)
• M19: 17,368,911 km (0.098 R)
• M20: 17,763,999 km (0.071 R)
• M21: 21,070,710 km (0.113 R)
• M22: 24,354,982 km (0.027 R)
• M23: 29,152,735 km (0.03 R)
• M24: 30,182,567 km (0.065 R)
• M25: 31,333,573 km (0.092 R)
• M26: 32,613,383 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 10.2

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.77 AU - 7.37 AU

Year: 7045 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,474,201 km

• M1: 131,497 km (0.101 R)
• M2: 492,925 km (0.081 R)
• M3: 953,986 km (0.085 R)
• M4: 1,368,372 km (0.096 R)
• M5: 1,695,991 km (0.112 R)
• M6: 3,600,522 km (0.101 R)
• M7: 4,155,978 km (0.097 R)
• M8: 4,595,198 km (0.095 R)
• M9: 5,599,448 km (0.1 R)
• M10: 7,509,664 km (0.115 R)
• M11: 7,913,727 km (0.104 R)
• M12: 12,232,618 km (0.097 R)
• M13: 14,391,764 km (0.063 R)
• M14: 16,657,274 km (0.115 R)
• M15: 19,076,272 km (0.063 R)
• M16: 28,108,542 km (0.114 R)
• M17: 37,721,851 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.6

Radius: 12.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.75 AU - 9.59 AU

Year: 10406 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,474,201 km

• M1: 165,306 km (0.101 R)
• M2: 579,991 km (0.118 R)
• M3: 988,094 km (0.104 R)
• M4: 1,469,051 km (0.111 R)
• M5: 2,742,428 km (0.072 R)
• M6: 6,142,189 km (0.106 R)
• M7: 6,902,745 km (0.119 R)
• M8: 7,971,921 km (0.056 R)
• M9: 8,699,864 km (0.116 R)
• M10: 9,378,590 km (0.115 R)
• M11: 10,588,088 km (0.077 R)
• M12: 16,278,193 km (0.041 R)
• M13: 17,734,379 km (0.08 R)
• M14: 20,273,503 km (0.055 R)
• M15: 23,907,535 km (0.048 R)
• M16: 27,282,313 km (0.072 R)
• M17: 28,934,622 km (0.054 R)
• M18: 31,170,512 km (0.102 R)
• M19: 32,544,718 km (0.119 R)
• M20: 37,613,991 km (0.096 R)
• M21: 40,027,154 km (0.093 R)
• M22: 42,927,857 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.8

Radius: 3.5

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 13.33 AU - 18.55 AU

Year: 23848 Days

Day: 17.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,474,201 km

• M1: 43,683 km (0.075 R)
• M2: 667,506 km (0.114 R)
• M3: 916,287 km (0.111 R)
• M4: 1,568,384 km (0.103 R)
• M5: 2,820,668 km (0.12 R)
• M6: 3,187,183 km (0.114 R)
• M7: 4,066,818 km (0.04 R)
• M8: 12,353,343 km (0.118 R)
• M9: 19,039,620 km (0.079 R)
• M10: 23,013,089 km (0.062 R)
• M11: 28,371,386 km (0.062 R)
• M12: 35,061,253 km (0.051 R)
• M13: 41,213,914 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 14,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit