🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.59 AU - 0.59 AU

Year: 164 Days

Day: 33.5 Hours

Environment

Temp: 222 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,238,180 km

• M1: 38,447 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.56 AU - 0.7 AU

Year: 181 Days

Day: 44.6 Hours

Environment

Temp: 212 °C

Axial Tilt: 126 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.57 AU - 0.93 AU

Year: 235 Days

Day: 32.2 Hours

Environment

Temp: 114 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.61 AU - 0.95 AU

Year: 249 Days

Day: 22.8 Hours

Environment

Temp: 149 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,238,180 km

• M1: 170,542 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.59 AU - 2.23 AU

Year: 955 Days

Day: 36.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,238,180 km

• M1: 223,050 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 13.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.67 AU - 8.65 AU

Year: 7667 Days

Day: 13.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 97,238,180 km

• M1: 169,195 km (0.103 R)
• M2: 701,315 km (0.054 R)
• M3: 1,161,179 km (0.104 R)
• M4: 1,748,949 km (0.067 R)
• M5: 2,549,746 km (0.104 R)
• M6: 3,386,896 km (0.099 R)
• M7: 4,323,528 km (0.04 R)
• M8: 7,166,336 km (0.082 R)
• M9: 7,720,447 km (0.061 R)
• M10: 12,229,177 km (0.107 R)
• M11: 13,514,522 km (0.077 R)
• M12: 14,075,963 km (0.066 R)
• M13: 14,594,469 km (0.106 R)
• M14: 15,245,669 km (0.104 R)
• M15: 15,916,017 km (0.101 R)
• M16: 16,926,251 km (0.074 R)
• M17: 17,579,096 km (0.094 R)
• M18: 19,355,122 km (0.101 R)
• M19: 20,800,836 km (0.112 R)
• M20: 22,707,610 km (0.119 R)
• M21: 26,778,767 km (0.101 R)
• M22: 28,572,146 km (0.084 R)
• M23: 30,924,722 km (0.1 R)
• M24: 32,696,859 km (0.096 R)
• M25: 33,710,085 km (0.094 R)
• M26: 34,848,674 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.8

Radius: 7.5

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 17.18 AU - 17.28 AU

Year: 25865 Days

Day: 24.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 97,238,180 km

• M1: 95,593 km (0.058 R)
• M2: 348,563 km (0.043 R)
• M3: 1,032,076 km (0.113 R)
• M4: 1,338,003 km (0.081 R)
• M5: 2,438,146 km (0.063 R)
• M6: 2,769,057 km (0.096 R)
• M7: 3,489,969 km (0.112 R)
• M8: 3,911,386 km (0.09 R)
• M9: 4,817,201 km (0.12 R)
• M10: 5,508,343 km (0.109 R)
• M11: 5,855,859 km (0.095 R)
• M12: 7,393,875 km (0.082 R)
• M13: 7,925,246 km (0.056 R)
• M14: 8,425,053 km (0.067 R)
• M15: 13,517,514 km (0.075 R)
• M16: 13,990,393 km (0.111 R)
• M17: 20,971,826 km (0.102 R)
• M18: 25,440,015 km (0.099 R)
• M19: 26,039,753 km (0.08 R)
• M20: 26,771,736 km (0.11 R)
• M21: 28,149,233 km (0.064 R)
• M22: 28,661,606 km (0.081 R)
• M23: 30,370,013 km (0.059 R)
• M24: 31,180,983 km (0.111 R)
• M25: 32,987,378 km (0.094 R)
• M26: 34,569,525 km (0.12 R)
• M27: 39,618,453 km (0.083 R)
• M28: 43,755,582 km (0.103 R)
• M29: 45,137,866 km (0.114 R)
• M30: 52,682,087 km (0.048 R)
• M31: 58,705,795 km (0.12 R)
• M32: 59,122,874 km (0.074 R)
• M33: 67,201,607 km (0.112 R)
• M34: 71,148,299 km (0.09 R)
• M35: 73,782,567 km (0.071 R)
• M36: 78,737,698 km (0.034 R)
• M37: 90,410,221 km (0.073 R)
• M38: 90,966,576 km (0.054 R)
• M39: 93,498,520 km (0.1 R)

Kuiper Belt

Range: 30.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 14,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit