🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.68 AU - 0.72 AU

Year: 217 Days

Day: 31 Hours

Environment

Temp: 137 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,953,091 km

• M1: 85,271 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.73 AU - 0.87 AU

Year: 265 Days

Day: 35.3 Hours

Environment

Temp: 94 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,953,091 km

• M1: 131,796 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.45 AU - 2.91 AU

Year: 1627 Days

Day: 30.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.09 AU - 4.85 AU

Year: 3505 Days

Day: 23.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.2

Radius: 11.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.72 AU - 6.04 AU

Year: 5288 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,953,091 km

• M1: 152,291 km (0.049 R)
• M2: 520,750 km (0.063 R)
• M3: 929,900 km (0.117 R)
• M4: 3,752,363 km (0.106 R)
• M5: 4,405,807 km (0.094 R)
• M6: 7,860,321 km (0.107 R)
• M7: 8,654,536 km (0.105 R)
• M8: 10,506,258 km (0.096 R)
• M9: 11,543,420 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 8.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.86 AU - 7.66 AU

Year: 5809 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,953,091 km

• M1: 104,419 km (0.05 R)
• M2: 389,852 km (0.118 R)
• M3: 1,031,777 km (0.115 R)
• M4: 1,964,370 km (0.028 R)
• M5: 2,761,577 km (0.06 R)
• M6: 3,355,031 km (0.108 R)
• M7: 3,916,023 km (0.117 R)
• M8: 5,917,942 km (0.112 R)
• M9: 6,287,000 km (0.12 R)
• M10: 7,003,424 km (0.101 R)
• M11: 7,346,602 km (0.117 R)
• M12: 8,103,866 km (0.065 R)
• M13: 8,482,349 km (0.104 R)
• M14: 8,833,006 km (0.104 R)
• M15: 9,480,316 km (0.082 R)
• M16: 9,773,378 km (0.119 R)
• M17: 10,599,159 km (0.081 R)
• M18: 13,408,308 km (0.076 R)
• M19: 16,198,906 km (0.084 R)
• M20: 19,963,237 km (0.085 R)
• M21: 20,935,175 km (0.061 R)
• M22: 21,938,378 km (0.072 R)
• M23: 23,655,463 km (0.097 R)
• M24: 24,507,422 km (0.101 R)
• M25: 28,121,408 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.1

Radius: 5

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.28 AU - 15.98 AU

Year: 20753 Days

Day: 17.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,953,091 km

• M1: 62,382 km (0.031 R)
• M2: 1,041,351 km (0.039 R)
• M3: 1,286,242 km (0.035 R)
• M4: 1,767,948 km (0.046 R)
• M5: 3,366,850 km (0.058 R)
• M6: 6,095,664 km (0.052 R)
• M7: 7,022,423 km (0.06 R)
• M8: 8,684,605 km (0.097 R)
• M9: 10,767,905 km (0.06 R)
• M10: 13,501,806 km (0.118 R)
• M11: 14,554,975 km (0.06 R)
• M12: 15,661,700 km (0.067 R)
• M13: 16,274,453 km (0.061 R)
• M14: 16,665,352 km (0.105 R)
• M15: 25,753,872 km (0.03 R)
• M16: 27,368,182 km (0.109 R)
• M17: 28,143,997 km (0.105 R)
• M18: 28,707,233 km (0.114 R)
• M19: 43,075,211 km (0.101 R)
• M20: 43,672,555 km (0.114 R)
• M21: 45,962,151 km (0.12 R)
• M22: 50,612,849 km (0.08 R)
• M23: 51,949,057 km (0.048 R)
• M24: 62,727,434 km (0.101 R)
• M25: 62,918,620 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.7

Radius: 6.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 12.79 AU - 18.25 AU

Year: 22675 Days

Day: 17.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 171.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,953,091 km

• M1: 86,019 km (0.069 R)
• M2: 321,935 km (0.104 R)
• M3: 536,608 km (0.119 R)
• M4: 1,654,253 km (0.109 R)
• M5: 1,992,943 km (0.062 R)
• M6: 2,855,823 km (0.038 R)
• M7: 3,268,265 km (0.045 R)
• M8: 6,027,747 km (0.041 R)
• M9: 7,887,997 km (0.062 R)
• M10: 10,210,055 km (0.053 R)
• M11: 11,467,126 km (0.098 R)
• M12: 16,526,825 km (0.091 R)
• M13: 23,471,008 km (0.097 R)
• M14: 26,678,536 km (0.103 R)
• M15: 27,523,764 km (0.051 R)
• M16: 29,602,726 km (0.049 R)
• M17: 29,940,219 km (0.089 R)
• M18: 31,432,757 km (0.096 R)
• M19: 33,336,838 km (0.077 R)
• M20: 34,939,480 km (0.088 R)
• M21: 35,696,296 km (0.09 R)
• M22: 50,608,361 km (0.092 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: 343 - 17,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit