🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.4 AU - 0.64 AU

Year: 137 Days

Day: 34.2 Hours

Environment

Temp: 200 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.79 AU - 0.93 AU

Year: 291 Days

Day: 26.8 Hours

Environment

Temp: 114 °C

Axial Tilt: 0 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,931,604 km

• M1: 772,374 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.39 AU - 1.43 AU

Year: 612 Days

Day: 13.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 59.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,931,604 km

• M1: 56,847 km (0.11 R)
• M2: 96,491 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.45 AU - 2.27 AU

Year: 927 Days

Day: 32.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,931,604 km

• M1: 408,552 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.56 AU - 2.54 AU

Year: 1072 Days

Day: 26.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.05 AU - 4.99 AU

Year: 2944 Days

Day: 21.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 106.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.6

Radius: 9.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.46 AU - 11.14 AU

Year: 12074 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 40,931,604 km

• M1: 123,568 km (0.119 R)
• M2: 191,934 km (0.077 R)
• M3: 278,252 km (0.046 R)
• M4: 339,737 km (0.049 R)
• M5: 546,182 km (0.11 R)
• M6: 657,782 km (0.1 R)
• M7: 1,813,575 km (0.096 R)
• M8: 1,942,379 km (0.117 R)
• M9: 2,347,191 km (0.112 R)
• M10: 2,417,202 km (0.103 R)
• M11: 2,753,498 km (0.103 R)
• M12: 3,233,857 km (0.104 R)
• M13: 4,157,474 km (0.066 R)
• M14: 4,766,487 km (0.101 R)
• M15: 5,280,057 km (0.099 R)
• M16: 5,465,558 km (0.118 R)
• M17: 5,621,738 km (0.079 R)
• M18: 5,684,719 km (0.104 R)
• M19: 5,811,279 km (0.08 R)
• M20: 6,326,793 km (0.052 R)
• M21: 6,457,990 km (0.102 R)
• M22: 8,208,585 km (0.117 R)
• M23: 9,080,142 km (0.103 R)
• M24: 9,829,029 km (0.095 R)
• M25: 10,792,738 km (0.104 R)
• M26: 11,226,273 km (0.102 R)
• M27: 11,867,150 km (0.034 R)
• M28: 12,519,846 km (0.105 R)
• M29: 12,643,563 km (0.111 R)
• M30: 12,892,045 km (0.067 R)
• M31: 13,100,585 km (0.078 R)
• M32: 13,605,178 km (0.067 R)
• M33: 14,202,074 km (0.06 R)
• M34: 14,633,813 km (0.086 R)
• M35: 15,465,727 km (0.073 R)
• M36: 15,954,314 km (0.093 R)
• M37: 16,133,233 km (0.038 R)
• M38: 16,764,835 km (0.085 R)
• M39: 16,992,373 km (0.115 R)
• M40: 17,634,896 km (0.047 R)
• M41: 17,819,949 km (0.06 R)
• M42: 18,285,348 km (0.115 R)
• M43: 19,753,651 km (0.115 R)
• M44: 19,994,055 km (0.05 R)
• M45: 20,380,616 km (0.091 R)
• M46: 20,477,555 km (0.084 R)
• M47: 21,308,571 km (0.109 R)
• M48: 21,456,374 km (0.072 R)
• M49: 22,100,692 km (0.088 R)
• M50: 22,852,122 km (0.088 R)
• M51: 23,155,058 km (0.099 R)
• M52: 23,357,763 km (0.116 R)
• M53: 23,662,793 km (0.12 R)
• M54: 24,071,793 km (0.103 R)
• M55: 25,573,606 km (0.095 R)
• M56: 25,730,684 km (0.118 R)
• M57: 26,945,568 km (0.097 R)
• M58: 27,479,633 km (0.105 R)
• M59: 27,855,572 km (0.052 R)
• M60: 27,963,283 km (0.118 R)
• M61: 28,179,153 km (0.081 R)
• M62: 29,048,167 km (0.119 R)
• M63: 29,321,482 km (0.12 R)
• M64: 29,705,649 km (0.112 R)
• M65: 29,870,805 km (0.059 R)
• M66: 30,091,462 km (0.079 R)
• M67: 30,423,569 km (0.114 R)
• M68: 31,426,922 km (0.077 R)
• M69: 31,595,220 km (0.085 R)
• M70: 31,707,568 km (0.061 R)
• M71: 31,932,563 km (0.119 R)
• M72: 32,101,758 km (0.105 R)
• M73: 33,351,499 km (0.076 R)
• M74: 34,097,543 km (0.072 R)
• M75: 34,848,974 km (0.082 R)
• M76: 36,074,479 km (0.082 R)
• M77: 37,373,288 km (0.112 R)
• M78: 37,670,689 km (0.111 R)
• M79: 37,909,148 km (0.108 R)
• M80: 38,327,573 km (0.073 R)
• M81: 38,747,494 km (0.075 R)
• M82: 40,809,252 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 13,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit