🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.44 AU - 0.72 AU

Year: 166 Days

Day: 13.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.56 AU - 0.84 AU

Year: 219 Days

Day: 24.8 Hours

Environment

Temp: 99 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.89 AU

Year: 229 Days

Day: 20.4 Hours

Environment

Temp: 117 °C

Axial Tilt: 59.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,363,916 km

• M1: 332,257 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.95 AU - 1.09 AU

Year: 386 Days

Day: 34.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 26,363,916 km

• M1: 476,320 km (0.052 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.05 AU - 1.29 AU

Year: 474 Days

Day: 31.5 Hours

Environment

Temp: -7 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.14 AU - 1.32 AU

Year: 511 Days

Day: 26.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,363,916 km

• M1: 31,565 km (0.049 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.82 AU - 2.68 AU

Year: 1265 Days

Day: 30 Hours

Environment

Temp: -94 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.65 AU - 3.97 AU

Year: 2787 Days

Day: 29.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.35 AU - 4.93 AU

Year: 3157 Days

Day: 25.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 11.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.67 AU - 6.55 AU

Year: 4979 Days

Day: 13.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 26,363,916 km

• M1: 423,661 km (0.06 R)
• M2: 645,964 km (0.106 R)
• M3: 895,044 km (0.108 R)
• M4: 1,162,076 km (0.086 R)
• M5: 1,513,033 km (0.076 R)
• M6: 1,755,082 km (0.109 R)
• M7: 1,833,472 km (0.082 R)
• M8: 2,209,112 km (0.057 R)
• M9: 2,397,455 km (0.043 R)
• M10: 2,502,473 km (0.088 R)
• M11: 2,808,550 km (0.105 R)
• M12: 3,145,894 km (0.085 R)
• M13: 3,397,667 km (0.078 R)
• M14: 3,636,126 km (0.051 R)
• M15: 3,859,475 km (0.084 R)
• M16: 4,213,574 km (0.112 R)
• M17: 5,178,629 km (0.082 R)
• M18: 5,546,191 km (0.042 R)
• M19: 5,803,799 km (0.095 R)
• M20: 6,113,317 km (0.099 R)
• M21: 6,258,128 km (0.069 R)
• M22: 6,330,982 km (0.091 R)
• M23: 6,723,975 km (0.07 R)
• M24: 7,793,301 km (0.103 R)
• M25: 7,897,870 km (0.105 R)
• M26: 8,003,037 km (0.097 R)
• M27: 8,134,983 km (0.073 R)
• M28: 8,481,601 km (0.082 R)
• M29: 8,643,316 km (0.112 R)
• M30: 9,690,651 km (0.08 R)
• M31: 9,887,970 km (0.116 R)
• M32: 10,574,625 km (0.089 R)
• M33: 10,806,950 km (0.086 R)
• M34: 11,070,242 km (0.114 R)
• M35: 11,247,067 km (0.087 R)
• M36: 11,484,329 km (0.114 R)
• M37: 11,603,409 km (0.082 R)
• M38: 11,843,065 km (0.078 R)
• M39: 12,236,059 km (0.084 R)
• M40: 12,327,463 km (0.114 R)
• M41: 12,418,867 km (0.085 R)
• M42: 12,571,906 km (0.106 R)
• M43: 12,664,058 km (0.058 R)
• M44: 13,566,283 km (0.108 R)
• M45: 13,660,829 km (0.061 R)
• M46: 13,818,804 km (0.054 R)
• M47: 14,136,700 km (0.098 R)
• M48: 14,360,648 km (0.037 R)
• M49: 14,747,358 km (0.105 R)
• M50: 15,039,672 km (0.107 R)
• M51: 15,137,509 km (0.066 R)
• M52: 15,235,496 km (0.036 R)
• M53: 15,366,544 km (0.069 R)
• M54: 16,094,188 km (0.105 R)
• M55: 16,227,779 km (0.073 R)
• M56: 16,495,858 km (0.117 R)
• M57: 17,206,747 km (0.063 R)
• M58: 17,686,208 km (0.091 R)
• M59: 18,553,427 km (0.109 R)
• M60: 18,728,457 km (0.065 R)
• M61: 19,969,521 km (0.106 R)
• M62: 20,112,985 km (0.103 R)
• M63: 20,220,845 km (0.111 R)
• M64: 20,401,110 km (0.041 R)
• M65: 21,346,719 km (0.113 R)
• M66: 21,788,032 km (0.115 R)
• M67: 21,972,786 km (0.112 R)
• M68: 22,158,137 km (0.115 R)
• M69: 22,381,188 km (0.042 R)
• M70: 22,679,636 km (0.106 R)
• M71: 22,942,030 km (0.117 R)
• M72: 23,583,207 km (0.095 R)
• M73: 24,115,775 km (0.096 R)
• M74: 24,690,680 km (0.063 R)
• M75: 25,698,072 km (0.106 R)
• M76: 25,776,012 km (0.063 R)
• M77: 25,893,297 km (0.118 R)
• M78: 26,010,731 km (0.038 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 16,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit