🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.69 AU - 0.87 AU

Year: 248 Days

Day: 28.6 Hours

Environment

Temp: 141 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.31 AU - 4.95 AU

Year: 3585 Days

Day: 27.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 11.6

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.26 AU - 6.84 AU

Year: 5356 Days

Day: 13.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,671,596 km

• M1: 144,362 km (0.106 R)
• M2: 558,000 km (0.072 R)
• M3: 1,037,760 km (0.093 R)
• M4: 1,608,776 km (0.113 R)
• M5: 2,049,640 km (0.081 R)
• M6: 2,845,352 km (0.081 R)
• M7: 3,766,874 km (0.08 R)
• M8: 4,247,233 km (0.119 R)
• M9: 5,072,714 km (0.07 R)
• M10: 6,357,910 km (0.096 R)
• M11: 8,041,185 km (0.105 R)
• M12: 12,789,870 km (0.106 R)
• M13: 14,912,065 km (0.119 R)
• M14: 15,327,199 km (0.098 R)
• M15: 15,749,963 km (0.081 R)
• M16: 17,129,854 km (0.097 R)
• M17: 19,208,965 km (0.105 R)
• M18: 22,057,009 km (0.11 R)
• M19: 23,223,723 km (0.071 R)
• M20: 24,513,107 km (0.095 R)
• M21: 27,765,814 km (0.073 R)
• M22: 29,681,564 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 13

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.65 AU - 7.53 AU

Year: 5409 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,671,596 km

• M1: 161,715 km (0.037 R)
• M2: 1,847,982 km (0.089 R)
• M3: 2,569,942 km (0.12 R)
• M4: 3,843,468 km (0.095 R)
• M5: 10,400,343 km (0.062 R)
• M6: 12,980,009 km (0.065 R)
• M7: 14,020,013 km (0.111 R)
• M8: 16,214,614 km (0.082 R)
• M9: 16,836,642 km (0.093 R)
• M10: 18,183,771 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.7

Radius: 11.2

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.2 AU - 7.16 AU

Year: 5529 Days

Day: 8.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,671,596 km

• M1: 139,276 km (0.118 R)
• M2: 516,262 km (0.093 R)
• M3: 938,128 km (0.063 R)
• M4: 2,183,680 km (0.106 R)
• M5: 2,556,628 km (0.11 R)
• M6: 3,176,112 km (0.117 R)
• M7: 3,681,304 km (0.068 R)
• M8: 5,618,447 km (0.068 R)
• M9: 7,129,685 km (0.078 R)
• M10: 8,728,288 km (0.082 R)
• M11: 9,544,943 km (0.107 R)
• M12: 10,178,938 km (0.101 R)
• M13: 11,132,924 km (0.072 R)
• M14: 11,733,410 km (0.091 R)
• M15: 13,721,565 km (0.063 R)
• M16: 14,706,518 km (0.104 R)
• M17: 17,407,956 km (0.072 R)
• M18: 17,809,477 km (0.093 R)
• M19: 18,561,805 km (0.051 R)
• M20: 19,335,226 km (0.101 R)
• M21: 19,911,028 km (0.109 R)
• M22: 21,477,168 km (0.082 R)
• M23: 21,861,784 km (0.085 R)
• M24: 31,043,952 km (0.072 R)
• M25: 32,133,473 km (0.119 R)
• M26: 36,528,658 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.2

Radius: 7.1

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 11.54 AU - 15.58 AU

Year: 17971 Days

Day: 19.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,671,596 km

• M1: 348,264 km (0.105 R)
• M2: 789,727 km (0.035 R)
• M3: 1,066,782 km (0.063 R)
• M4: 2,378,606 km (0.059 R)
• M5: 3,068,851 km (0.083 R)
• M6: 4,629,905 km (0.053 R)
• M7: 5,859,150 km (0.101 R)
• M8: 8,732,626 km (0.088 R)
• M9: 10,060,307 km (0.091 R)
• M10: 10,412,311 km (0.047 R)
• M11: 10,711,806 km (0.067 R)
• M12: 11,967,830 km (0.085 R)
• M13: 12,699,064 km (0.067 R)
• M14: 13,389,159 km (0.107 R)
• M15: 16,482,394 km (0.068 R)
• M16: 20,206,035 km (0.036 R)
• M17: 20,672,481 km (0.036 R)
• M18: 22,213,189 km (0.085 R)
• M19: 26,730,896 km (0.095 R)
• M20: 26,954,694 km (0.094 R)
• M21: 32,329,446 km (0.069 R)
• M22: 34,400,479 km (0.119 R)
• M23: 36,147,184 km (0.072 R)
• M24: 37,250,917 km (0.108 R)
• M25: 44,663,491 km (0.088 R)
• M26: 48,380,699 km (0.11 R)
• M27: 64,506,303 km (0.072 R)
• M28: 67,362,874 km (0.101 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit