🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.72 AU - 1.08 AU

Year: 310 Days

Day: 28.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,938,141 km

• M1: 58,044 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.1 AU - 1.24 AU

Year: 460 Days

Day: 14.1 Hours

Environment

Temp: -4 °C

Axial Tilt: 89.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 70,938,141 km

• M1: 33,211 km (0.104 R)
• M2: 339,737 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.21 AU - 1.21 AU

Year: 484 Days

Day: 31.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.05 AU - 1.39 AU

Year: 490 Days

Day: 44 Hours

Environment

Temp: 16 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.41 AU - 1.65 AU

Year: 688 Days

Day: 23.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.84 AU - 4.28 AU

Year: 2973 Days

Day: 33.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 12.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.77 AU - 11.19 AU

Year: 9780 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,938,141 km

• M1: 151,692 km (0.102 R)
• M2: 540,796 km (0.096 R)
• M3: 1,068,129 km (0.103 R)
• M4: 1,991,148 km (0.05 R)
• M5: 2,748,262 km (0.108 R)
• M6: 3,800,534 km (0.108 R)
• M7: 5,022,001 km (0.062 R)
• M8: 8,935,182 km (0.038 R)
• M9: 13,376,742 km (0.108 R)
• M10: 14,358,703 km (0.049 R)
• M11: 15,213,206 km (0.062 R)
• M12: 15,623,403 km (0.099 R)
• M13: 17,980,766 km (0.026 R)
• M14: 18,771,990 km (0.082 R)
• M15: 20,212,617 km (0.096 R)
• M16: 22,171,302 km (0.081 R)
• M17: 22,623,237 km (0.04 R)
• M18: 24,572,946 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 14.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8 AU - 11 AU

Year: 10642 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,938,141 km

• M1: 179,817 km (0.056 R)
• M2: 704,456 km (0.112 R)
• M3: 1,364,931 km (0.112 R)
• M4: 2,373,520 km (0.11 R)
• M5: 4,247,532 km (0.117 R)
• M6: 5,133,002 km (0.098 R)
• M7: 6,242,270 km (0.111 R)
• M8: 7,309,950 km (0.039 R)
• M9: 8,240,599 km (0.095 R)
• M10: 10,289,192 km (0.057 R)
• M11: 13,288,928 km (0.083 R)
• M12: 15,371,331 km (0.058 R)
• M13: 25,806,979 km (0.071 R)
• M14: 28,833,793 km (0.078 R)
• M15: 31,150,615 km (0.1 R)
• M16: 40,054,082 km (0.095 R)
• M17: 41,917,174 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.1

Radius: 7

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 13.19 AU - 19.61 AU

Year: 24138 Days

Day: 23 Hours

Environment

Temp: -194 °C

Axial Tilt: 56.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,938,141 km

• M1: 87,066 km (0.044 R)
• M2: 312,061 km (0.061 R)
• M3: 550,371 km (0.109 R)
• M4: 841,488 km (0.111 R)
• M5: 1,103,733 km (0.045 R)
• M6: 1,625,830 km (0.073 R)
• M7: 1,961,976 km (0.12 R)
• M8: 2,587,146 km (0.116 R)
• M9: 3,853,342 km (0.108 R)
• M10: 4,453,529 km (0.1 R)
• M11: 5,114,452 km (0.107 R)
• M12: 5,373,855 km (0.115 R)
• M13: 5,720,174 km (0.113 R)
• M14: 6,040,463 km (0.092 R)
• M15: 9,708,453 km (0.089 R)
• M16: 10,457,041 km (0.093 R)
• M17: 10,936,502 km (0.043 R)
• M18: 11,181,693 km (0.095 R)
• M19: 25,768,233 km (0.071 R)
• M20: 29,501,598 km (0.106 R)
• M21: 29,738,860 km (0.112 R)
• M22: 33,323,075 km (0.089 R)
• M23: 35,552,682 km (0.073 R)
• M24: 39,726,612 km (0.064 R)
• M25: 43,598,504 km (0.091 R)
• M26: 47,227,001 km (0.055 R)
• M27: 52,429,267 km (0.053 R)
• M28: 53,127,141 km (0.106 R)
• M29: 67,591,460 km (0.096 R)
• M30: 70,725,834 km (0.071 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 11,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit