🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.43 AU - 0.67 AU

Year: 155 Days

Day: 36 Hours

Environment

Temp: 174 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 40,875,563 km

• M1: 30,219 km (0.112 R)
• M2: 310,864 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 186 Days

Day: 22.3 Hours

Environment

Temp: 191 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.1 AU - 3.46 AU

Year: 1765 Days

Day: 15.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.5

Radius: 12.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.96 AU - 5.36 AU

Year: 4463 Days

Day: 9.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,875,563 km

• M1: 160,219 km (0.096 R)
• M2: 1,128,566 km (0.109 R)
• M3: 1,571,226 km (0.065 R)
• M4: 2,154,359 km (0.119 R)
• M5: 2,764,269 km (0.088 R)
• M6: 3,149,334 km (0.093 R)
• M7: 3,587,656 km (0.064 R)
• M8: 4,528,178 km (0.116 R)
• M9: 5,557,262 km (0.027 R)
• M10: 6,127,379 km (0.106 R)
• M11: 6,815,081 km (0.12 R)
• M12: 7,840,424 km (0.095 R)
• M13: 8,997,863 km (0.085 R)
• M14: 9,684,667 km (0.094 R)
• M15: 11,052,739 km (0.039 R)
• M16: 13,953,741 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 12.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.77 AU - 8.05 AU

Year: 8472 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,875,563 km

• M1: 160,818 km (0.114 R)
• M2: 560,543 km (0.037 R)
• M3: 1,200,972 km (0.078 R)
• M4: 1,744,311 km (0.09 R)
• M5: 2,164,681 km (0.088 R)
• M6: 3,000,933 km (0.119 R)
• M7: 3,399,761 km (0.107 R)
• M8: 4,065,621 km (0.072 R)
• M9: 6,368,531 km (0.086 R)
• M10: 7,490,066 km (0.071 R)
• M11: 8,117,180 km (0.103 R)
• M12: 9,267,588 km (0.094 R)
• M13: 10,166,522 km (0.114 R)
• M14: 11,647,092 km (0.081 R)
• M15: 14,241,568 km (0.108 R)
• M16: 14,689,763 km (0.105 R)
• M17: 15,321,515 km (0.095 R)
• M18: 16,091,345 km (0.07 R)
• M19: 17,262,846 km (0.087 R)
• M20: 17,901,779 km (0.092 R)
• M21: 19,913,721 km (0.08 R)
• M22: 23,208,165 km (0.059 R)
• M23: 24,944,248 km (0.047 R)
• M24: 27,276,928 km (0.085 R)
• M25: 29,751,426 km (0.097 R)
• M26: 31,324,897 km (0.086 R)
• M27: 31,798,075 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 13.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.44 AU - 10.74 AU

Year: 10436 Days

Day: 11.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,875,563 km

• M1: 166,652 km (0.032 R)
• M2: 654,640 km (0.04 R)
• M3: 1,304,194 km (0.057 R)
• M4: 2,012,391 km (0.101 R)
• M5: 3,051,049 km (0.08 R)
• M6: 3,765,378 km (0.064 R)
• M7: 5,659,587 km (0.039 R)
• M8: 6,667,577 km (0.1 R)
• M9: 7,997,951 km (0.096 R)
• M10: 8,682,361 km (0.114 R)
• M11: 9,266,840 km (0.068 R)
• M12: 9,829,627 km (0.093 R)
• M13: 11,127,389 km (0.107 R)
• M14: 11,602,362 km (0.062 R)
• M15: 14,680,039 km (0.105 R)
• M16: 17,057,748 km (0.095 R)
• M17: 19,151,819 km (0.093 R)
• M18: 20,534,851 km (0.031 R)
• M19: 21,250,976 km (0.065 R)
• M20: 26,550,630 km (0.03 R)
• M21: 32,564,165 km (0.025 R)
• M22: 33,320,083 km (0.059 R)
• M23: 36,345,850 km (0.095 R)
• M24: 37,629,549 km (0.075 R)
• M25: 38,223,004 km (0.092 R)
• M26: 40,908,286 km (0.107 R)
• M27: 42,809,824 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 13.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.68 AU - 10.94 AU

Year: 11700 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,875,563 km

• M1: 167,849 km (0.093 R)
• M2: 669,600 km (0.084 R)
• M3: 1,368,970 km (0.099 R)
• M4: 2,331,782 km (0.066 R)
• M5: 3,706,886 km (0.051 R)
• M6: 4,394,288 km (0.076 R)
• M7: 5,286,938 km (0.077 R)
• M8: 6,471,604 km (0.072 R)
• M9: 7,355,129 km (0.058 R)
• M10: 8,485,939 km (0.091 R)
• M11: 9,544,793 km (0.07 R)
• M12: 10,106,234 km (0.06 R)
• M13: 10,689,815 km (0.085 R)
• M14: 12,085,264 km (0.088 R)
• M15: 12,521,192 km (0.061 R)
• M16: 13,137,835 km (0.072 R)
• M17: 15,616,522 km (0.074 R)
• M18: 20,314,643 km (0.053 R)
• M19: 21,801,646 km (0.113 R)
• M20: 23,360,007 km (0.112 R)
• M21: 24,037,835 km (0.047 R)
• M22: 30,341,141 km (0.093 R)
• M23: 33,335,642 km (0.073 R)
• M24: 39,666,474 km (0.1 R)
• M25: 40,875,524 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 19,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit