🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.65 AU - 0.79 AU

Year: 220 Days

Day: 29.3 Hours

Environment

Temp: 187 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,097,999 km

• M1: 44,131 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.65 AU - 0.79 AU

Year: 220 Days

Day: 33.5 Hours

Environment

Temp: 160 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.98 AU - 2.22 AU

Year: 1095 Days

Day: 31.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 173.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,097,999 km

• M1: 17,802 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.32 AU - 2.82 AU

Year: 1483 Days

Day: 18.5 Hours

Environment

Temp: -76 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,097,999 km

• M1: 470,784 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.84 AU - 5.56 AU

Year: 3667 Days

Day: 30.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,097,999 km

• M1: 1,197,531 km (0.072 R)
• M2: 1,574,069 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.14 AU - 5.8 AU

Year: 3988 Days

Day: 33.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 2.7 °

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 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 14.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.04 AU - 6.36 AU

Year: 4898 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,097,999 km

• M1: 181,013 km (0.081 R)
• M2: 871,258 km (0.098 R)
• M3: 1,539,661 km (0.065 R)
• M4: 2,203,876 km (0.106 R)
• M5: 3,603,962 km (0.12 R)
• M6: 4,508,281 km (0.118 R)
• M7: 5,083,635 km (0.104 R)
• M8: 5,833,719 km (0.097 R)
• M9: 7,646,845 km (0.039 R)
• M10: 8,666,653 km (0.096 R)
• M11: 9,454,286 km (0.072 R)
• M12: 11,694,215 km (0.061 R)
• M13: 12,273,907 km (0.069 R)
• M14: 13,003,645 km (0.086 R)
• M15: 13,671,450 km (0.115 R)
• M16: 15,075,576 km (0.033 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 9.6

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.1 AU - 12.22 AU

Year: 12526 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,097,999 km

• M1: 124,765 km (0.12 R)
• M2: 934,687 km (0.11 R)
• M3: 1,427,912 km (0.082 R)
• M4: 1,743,862 km (0.045 R)
• M5: 2,070,135 km (0.118 R)
• M6: 3,034,742 km (0.079 R)
• M7: 3,590,947 km (0.077 R)
• M8: 4,426,751 km (0.104 R)
• M9: 5,565,639 km (0.103 R)
• M10: 6,087,586 km (0.073 R)
• M11: 8,751,475 km (0.1 R)
• M12: 12,542,585 km (0.107 R)
• M13: 20,261,984 km (0.087 R)
• M14: 21,586,674 km (0.1 R)
• M15: 22,780,764 km (0.089 R)
• M16: 25,400,522 km (0.096 R)
• M17: 32,637,468 km (0.107 R)
• M18: 34,331,664 km (0.055 R)
• M19: 36,594,930 km (0.041 R)
• M20: 53,283,022 km (0.097 R)
• M21: 54,279,792 km (0.078 R)
• M22: 57,692,269 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.4

Radius: 6.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.22 AU - 16.76 AU

Year: 21941 Days

Day: 24.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,097,999 km

• M1: 95,892 km (0.051 R)
• M2: 458,517 km (0.103 R)
• M3: 726,597 km (0.092 R)
• M4: 1,623,286 km (0.1 R)
• M5: 1,933,852 km (0.114 R)
• M6: 2,856,123 km (0.069 R)
• M7: 4,819,744 km (0.109 R)
• M8: 5,400,633 km (0.106 R)
• M9: 6,305,101 km (0.112 R)
• M10: 8,198,412 km (0.116 R)
• M11: 8,496,710 km (0.078 R)
• M12: 8,980,211 km (0.094 R)
• M13: 9,715,933 km (0.076 R)
• M14: 20,022,777 km (0.074 R)
• M15: 25,523,940 km (0.088 R)
• M16: 25,795,610 km (0.056 R)
• M17: 26,069,075 km (0.104 R)
• M18: 31,640,698 km (0.113 R)
• M19: 38,905,469 km (0.119 R)
• M20: 41,846,414 km (0.075 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 13,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit