🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.45 AU - 0.57 AU

Year: 130 Days

Day: 45.6 Hours

Environment

Temp: 239 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 26,341,075 km

• M1: 56,997 km (0.079 R)
• M2: 98,735 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.91 AU - 1.93 AU

Year: 948 Days

Day: 28.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,341,075 km

• M1: 974,929 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.85 AU - 5.27 AU

Year: 3471 Days

Day: 40.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 116.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,341,075 km

• M1: 370,105 km (0.103 R)
• M2: 1,045,689 km (0.029 R)

Asteroid Belt

Center: 7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 8.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.53 AU - 11.33 AU

Year: 10322 Days

Day: 14.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 26,341,075 km

• M1: 183,706 km (0.071 R)
• M2: 239,057 km (0.111 R)
• M3: 351,555 km (0.032 R)
• M4: 595,250 km (0.076 R)
• M5: 691,890 km (0.116 R)
• M6: 759,508 km (0.111 R)
• M7: 1,119,142 km (0.083 R)
• M8: 1,254,827 km (0.111 R)
• M9: 1,679,236 km (0.036 R)
• M10: 1,772,585 km (0.097 R)
• M11: 1,980,676 km (0.118 R)
• M12: 2,385,637 km (0.076 R)
• M13: 2,670,023 km (0.074 R)
• M14: 2,761,128 km (0.098 R)
• M15: 3,587,058 km (0.072 R)
• M16: 3,769,268 km (0.087 R)
• M17: 4,398,177 km (0.117 R)
• M18: 4,484,495 km (0.061 R)
• M19: 4,835,602 km (0.085 R)
• M20: 4,947,202 km (0.116 R)
• M21: 5,150,206 km (0.113 R)
• M22: 5,425,017 km (0.108 R)
• M23: 5,657,791 km (0.103 R)
• M24: 5,751,889 km (0.095 R)
• M25: 6,181,534 km (0.081 R)
• M26: 6,254,089 km (0.068 R)
• M27: 6,522,916 km (0.114 R)
• M28: 7,609,445 km (0.117 R)
• M29: 8,001,541 km (0.095 R)
• M30: 8,805,630 km (0.087 R)
• M31: 10,259,422 km (0.079 R)
• M32: 10,634,464 km (0.087 R)
• M33: 11,013,994 km (0.038 R)
• M34: 12,270,317 km (0.063 R)
• M35: 13,508,538 km (0.101 R)
• M36: 14,206,412 km (0.036 R)
• M37: 14,818,567 km (0.091 R)
• M38: 15,144,241 km (0.095 R)
• M39: 16,909,347 km (0.109 R)
• M40: 17,420,672 km (0.034 R)
• M41: 18,214,588 km (0.095 R)
• M42: 18,703,623 km (0.084 R)
• M43: 19,232,302 km (0.056 R)
• M44: 19,445,180 km (0.119 R)
• M45: 19,730,164 km (0.116 R)
• M46: 20,016,644 km (0.117 R)
• M47: 20,340,523 km (0.088 R)
• M48: 20,485,035 km (0.088 R)
• M49: 21,066,522 km (0.1 R)
• M50: 21,212,679 km (0.087 R)
• M51: 21,432,588 km (0.088 R)
• M52: 22,060,001 km (0.094 R)
• M53: 22,805,747 km (0.089 R)
• M54: 23,181,686 km (0.088 R)
• M55: 23,521,722 km (0.114 R)
• M56: 24,283,474 km (0.1 R)
• M57: 24,782,982 km (0.119 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 15,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit