🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.49 AU - 0.57 AU

Year: 145 Days

Day: 22.3 Hours

Environment

Temp: 237 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.56 AU - 0.76 AU

Year: 202 Days

Day: 17.6 Hours

Environment

Temp: 189 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.89 AU - 1.29 AU

Year: 429 Days

Day: 46 Hours

Environment

Temp: 17 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.29 AU - 2.01 AU

Year: 798 Days

Day: 20.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 128.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.92 AU - 2.98 AU

Year: 1445 Days

Day: 47.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.07 AU - 3.27 AU

Year: 1644 Days

Day: 41.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.24 AU - 3.26 AU

Year: 1718 Days

Day: 17.5 Hours

Environment

Temp: -106 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.4

Radius: 15

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.97 AU - 5.09 AU

Year: 4250 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 113,624,056 km

• M1: 186,549 km (0.046 R)
• M2: 721,062 km (0.101 R)
• M3: 1,868,477 km (0.083 R)
• M4: 2,391,621 km (0.117 R)
• M5: 3,032,199 km (0.048 R)
• M6: 5,082,288 km (0.1 R)
• M7: 5,907,620 km (0.076 R)
• M8: 6,432,110 km (0.095 R)
• M9: 7,225,727 km (0.093 R)
• M10: 7,972,968 km (0.09 R)
• M11: 9,373,803 km (0.097 R)
• M12: 10,572,530 km (0.114 R)
• M13: 11,442,741 km (0.089 R)
• M14: 12,212,123 km (0.09 R)
• M15: 13,222,208 km (0.05 R)
• M16: 14,015,675 km (0.095 R)
• M17: 15,351,285 km (0.045 R)
• M18: 15,873,531 km (0.111 R)
• M19: 17,015,112 km (0.091 R)
• M20: 17,511,777 km (0.072 R)
• M21: 20,839,582 km (0.118 R)
• M22: 22,207,954 km (0.095 R)
• M23: 28,808,212 km (0.101 R)
• M24: 30,323,788 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.9

Radius: 13.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.84 AU - 5.98 AU

Year: 4740 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 113,624,056 km

• M1: 186,698 km (0.116 R)
• M2: 1,667,119 km (0.087 R)
• M3: 2,360,505 km (0.1 R)
• M4: 3,178,656 km (0.103 R)
• M5: 3,748,623 km (0.032 R)
• M6: 6,339,659 km (0.045 R)
• M7: 7,776,845 km (0.081 R)
• M8: 8,818,346 km (0.116 R)
• M9: 13,348,169 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.2

Radius: 3

Gravity: 108.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 15.99 AU - 21.55 AU

Year: 30635 Days

Day: 20.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 113,624,056 km

• M1: 43,533 km (0.083 R)
• M2: 892,501 km (0.051 R)
• M3: 2,056,821 km (0.096 R)
• M4: 2,504,119 km (0.082 R)
• M5: 2,694,557 km (0.084 R)
• M6: 2,983,131 km (0.12 R)
• M7: 3,260,037 km (0.095 R)
• M8: 4,231,675 km (0.111 R)
• M9: 5,931,855 km (0.071 R)
• M10: 6,468,911 km (0.027 R)
• M11: 10,182,229 km (0.104 R)
• M12: 14,321,004 km (0.034 R)
• M13: 15,372,228 km (0.12 R)
• M14: 16,473,718 km (0.111 R)
• M15: 16,757,056 km (0.112 R)
• M16: 21,518,756 km (0.11 R)
• M17: 21,744,051 km (0.102 R)
• M18: 23,484,472 km (0.114 R)
• M19: 24,449,528 km (0.063 R)
• M20: 27,768,506 km (0.115 R)
• M21: 30,944,020 km (0.119 R)
• M22: 31,956,499 km (0.087 R)
• M23: 35,595,317 km (0.101 R)
• M24: 37,676,972 km (0.085 R)
• M25: 38,168,700 km (0.092 R)
• M26: 38,333,557 km (0.119 R)
• M27: 38,498,862 km (0.094 R)
• M28: 42,256,911 km (0.066 R)
• M29: 60,850,280 km (0.041 R)
• M30: 66,880,870 km (0.117 R)
• M31: 78,503,876 km (0.077 R)
• M32: 86,198,592 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 19,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit