🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.62 AU - 0.72 AU

Year: 209 Days

Day: 22.2 Hours

Environment

Temp: 111 °C

Axial Tilt: 25.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,111,503 km

• M1: 185,053 km (0.095 R)
• M2: 284,984 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.89 AU - 0.93 AU

Year: 331 Days

Day: 44.3 Hours

Environment

Temp: 25 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.17 AU - 2.91 AU

Year: 1542 Days

Day: 13.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,111,503 km

• M1: 130,001 km (0.035 R)
• M2: 245,341 km (0.112 R)

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.55 AU - 4.13 AU

Year: 2865 Days

Day: 22.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 12.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.78 AU - 5.48 AU

Year: 3794 Days

Day: 10.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,111,503 km

• M1: 156,928 km (0.099 R)
• M2: 778,208 km (0.107 R)
• M3: 1,583,942 km (0.079 R)
• M4: 2,020,618 km (0.093 R)
• M5: 2,475,097 km (0.114 R)
• M6: 3,472,615 km (0.074 R)
• M7: 4,478,960 km (0.099 R)
• M8: 5,395,098 km (0.12 R)
• M9: 5,840,750 km (0.118 R)
• M10: 7,294,243 km (0.119 R)
• M11: 7,736,005 km (0.085 R)
• M12: 10,817,123 km (0.052 R)
• M13: 12,366,059 km (0.088 R)
• M14: 13,646,767 km (0.067 R)
• M15: 15,068,545 km (0.115 R)
• M16: 15,956,258 km (0.112 R)
• M17: 17,174,135 km (0.043 R)
• M18: 19,859,716 km (0.034 R)
• M19: 21,405,810 km (0.118 R)
• M20: 22,032,026 km (0.055 R)
• M21: 22,886,081 km (0.05 R)
• M22: 24,964,743 km (0.098 R)
• M23: 26,049,926 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 8.5

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.62 AU - 8.82 AU

Year: 7388 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,111,503 km

• M1: 105,766 km (0.069 R)
• M2: 428,000 km (0.115 R)
• M3: 963,859 km (0.092 R)
• M4: 1,914,554 km (0.106 R)
• M5: 2,442,634 km (0.102 R)
• M6: 2,899,955 km (0.088 R)
• M7: 3,235,652 km (0.083 R)
• M8: 4,818,697 km (0.118 R)
• M9: 5,110,712 km (0.073 R)
• M10: 6,934,609 km (0.087 R)
• M11: 7,694,118 km (0.075 R)
• M12: 8,299,241 km (0.117 R)
• M13: 10,498,779 km (0.116 R)
• M14: 11,811,201 km (0.12 R)
• M15: 12,344,068 km (0.091 R)
• M16: 17,471,087 km (0.102 R)
• M17: 18,233,138 km (0.083 R)
• M18: 19,454,006 km (0.109 R)
• M19: 22,947,565 km (0.101 R)
• M20: 23,276,980 km (0.053 R)
• M21: 24,369,493 km (0.053 R)
• M22: 25,058,691 km (0.11 R)
• M23: 33,307,517 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930

Radius: 7.9

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.47 AU - 14.87 AU

Year: 16167 Days

Day: 17.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,111,503 km

• M1: 98,286 km (0.105 R)
• M2: 364,869 km (0.08 R)
• M3: 745,895 km (0.092 R)
• M4: 1,185,264 km (0.086 R)
• M5: 1,735,634 km (0.117 R)
• M6: 3,796,644 km (0.075 R)
• M7: 4,136,381 km (0.091 R)
• M8: 6,532,191 km (0.118 R)
• M9: 7,298,132 km (0.097 R)
• M10: 7,727,179 km (0.099 R)
• M11: 9,897,994 km (0.106 R)
• M12: 11,153,868 km (0.106 R)
• M13: 11,787,863 km (0.09 R)
• M14: 14,344,042 km (0.118 R)
• M15: 20,335,138 km (0.053 R)
• M16: 28,501,686 km (0.11 R)
• M17: 32,786,019 km (0.119 R)
• M18: 35,282,658 km (0.104 R)
• M19: 41,545,273 km (0.029 R)
• M20: 47,189,751 km (0.034 R)
• M21: 72,456,382 km (0.055 R)
• M22: 73,111,471 km (0.03 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 16,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit