🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.55 AU - 0.75 AU

Year: 190 Days

Day: 21.2 Hours

Environment

Temp: 226 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.59 AU - 0.71 AU

Year: 190 Days

Day: 44.7 Hours

Environment

Temp: 166 °C

Axial Tilt: 15 °

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: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.6 AU - 0.84 AU

Year: 221 Days

Day: 20.3 Hours

Environment

Temp: 176 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.89 AU - 1.45 AU

Year: 458 Days

Day: 42.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 161.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.44 AU - 1.68 AU

Year: 705 Days

Day: 30.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.48 AU - 5.22 AU

Year: 3281 Days

Day: 20 Hours

Environment

Temp: -126 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.57 AU - 5.27 AU

Year: 3947 Days

Day: 13.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,545,058 km

• M1: 718,070 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 7.3

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 13.34 AU - 13.86 AU

Year: 18138 Days

Day: 18.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 76,545,058 km

• M1: 191,336 km (0.117 R)
• M2: 725,550 km (0.057 R)
• M3: 1,023,698 km (0.072 R)
• M4: 1,104,032 km (0.097 R)
• M5: 1,186,461 km (0.116 R)
• M6: 1,629,869 km (0.074 R)
• M7: 2,294,233 km (0.099 R)
• M8: 2,472,254 km (0.083 R)
• M9: 3,033,546 km (0.076 R)
• M10: 3,308,806 km (0.116 R)
• M11: 3,469,623 km (0.063 R)
• M12: 3,715,862 km (0.099 R)
• M13: 4,892,449 km (0.078 R)
• M14: 5,402,428 km (0.114 R)
• M15: 5,735,882 km (0.083 R)
• M16: 7,135,220 km (0.043 R)
• M17: 9,935,692 km (0.1 R)
• M18: 9,993,736 km (0.113 R)
• M19: 10,343,795 km (0.038 R)
• M20: 11,056,330 km (0.077 R)
• M21: 12,403,159 km (0.085 R)
• M22: 13,414,740 km (0.118 R)
• M23: 13,736,376 km (0.051 R)
• M24: 14,716,242 km (0.079 R)
• M25: 14,848,636 km (0.106 R)
• M26: 15,989,469 km (0.088 R)
• M27: 16,330,403 km (0.088 R)
• M28: 16,880,923 km (0.058 R)
• M29: 17,088,864 km (0.082 R)
• M30: 17,367,565 km (0.046 R)
• M31: 18,354,612 km (0.106 R)
• M32: 18,568,537 km (0.103 R)
• M33: 18,711,552 km (0.113 R)
• M34: 18,783,209 km (0.107 R)
• M35: 20,015,447 km (0.084 R)
• M36: 20,309,257 km (0.11 R)
• M37: 24,333,440 km (0.099 R)
• M38: 24,411,680 km (0.093 R)
• M39: 24,490,069 km (0.082 R)
• M40: 25,436,575 km (0.115 R)
• M41: 25,914,241 km (0.076 R)
• M42: 26,959,481 km (0.055 R)
• M43: 27,040,414 km (0.064 R)
• M44: 27,936,355 km (0.098 R)
• M45: 28,594,137 km (0.03 R)
• M46: 28,676,715 km (0.117 R)
• M47: 28,842,170 km (0.11 R)
• M48: 29,841,185 km (0.073 R)
• M49: 31,275,828 km (0.06 R)
• M50: 32,819,080 km (0.047 R)
• M51: 33,774,412 km (0.07 R)
• M52: 35,623,591 km (0.107 R)
• M53: 37,595,590 km (0.092 R)
• M54: 38,412,544 km (0.043 R)
• M55: 39,695,047 km (0.027 R)
• M56: 40,805,362 km (0.037 R)
• M57: 40,991,462 km (0.049 R)
• M58: 41,271,061 km (0.092 R)
• M59: 44,292,638 km (0.092 R)
• M60: 46,702,510 km (0.108 R)
• M61: 47,092,063 km (0.036 R)
• M62: 48,463,726 km (0.09 R)
• M63: 49,154,569 km (0.118 R)
• M64: 49,550,854 km (0.077 R)
• M65: 50,645,761 km (0.111 R)
• M66: 51,346,776 km (0.065 R)
• M67: 51,547,686 km (0.111 R)
• M68: 53,062,514 km (0.061 R)
• M69: 54,899,576 km (0.067 R)
• M70: 55,002,350 km (0.096 R)
• M71: 55,207,748 km (0.107 R)
• M72: 56,135,853 km (0.058 R)
• M73: 56,342,747 km (0.095 R)
• M74: 59,793,671 km (0.12 R)
• M75: 60,852,823 km (0.091 R)
• M76: 63,527,783 km (0.112 R)
• M77: 64,608,478 km (0.097 R)
• M78: 64,933,853 km (0.04 R)
• M79: 66,131,684 km (0.103 R)
• M80: 67,336,694 km (0.11 R)
• M81: 68,880,844 km (0.104 R)
• M82: 69,657,257 km (0.117 R)
• M83: 70,102,310 km (0.106 R)
• M84: 70,436,661 km (0.114 R)
• M85: 71,107,009 km (0.044 R)
• M86: 73,356,513 km (0.057 R)
• M87: 74,149,381 km (0.088 R)
• M88: 74,262,926 km (0.066 R)
• M89: 74,945,092 km (0.06 R)
• M90: 75,287,073 km (0.068 R)
• M91: 76,086,823 km (0.111 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 13,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit