🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.78 AU - 0.98 AU

Year: 308 Days

Day: 28.4 Hours

Environment

Temp: 109 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.74 AU - 2.24 AU

Year: 1046 Days

Day: 27 Hours

Environment

Temp: -66 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,888,876 km

• M1: 125,961 km (0.068 R)
• M2: 253,868 km (0.118 R)

Asteroid Belt

Center: 3.04 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.35 AU - 4.81 AU

Year: 3072 Days

Day: 23.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 8.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.27 AU - 4.89 AU

Year: 3654 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 36,888,876 km

• M1: 108,758 km (0.102 R)
• M2: 176,525 km (0.093 R)
• M3: 259,104 km (0.114 R)
• M4: 381,923 km (0.08 R)
• M5: 440,416 km (0.052 R)
• M6: 526,884 km (0.047 R)
• M7: 602,281 km (0.115 R)
• M8: 681,867 km (0.089 R)
• M9: 842,685 km (0.057 R)
• M10: 943,215 km (0.086 R)
• M11: 1,112,709 km (0.093 R)
• M12: 1,303,895 km (0.097 R)
• M13: 1,567,337 km (0.114 R)
• M14: 1,654,702 km (0.081 R)
• M15: 1,821,504 km (0.112 R)
• M16: 1,926,821 km (0.074 R)
• M17: 2,116,361 km (0.109 R)
• M18: 2,199,388 km (0.114 R)
• M19: 2,426,328 km (0.071 R)
• M20: 2,498,883 km (0.096 R)
• M21: 2,601,657 km (0.096 R)
• M22: 2,675,857 km (0.112 R)
• M23: 3,011,256 km (0.12 R)
• M24: 3,279,634 km (0.099 R)
• M25: 3,873,388 km (0.118 R)
• M26: 4,061,433 km (0.079 R)
• M27: 4,393,540 km (0.11 R)
• M28: 4,482,251 km (0.044 R)
• M29: 4,643,817 km (0.104 R)
• M30: 4,716,073 km (0.108 R)
• M31: 4,770,676 km (0.055 R)
• M32: 4,825,429 km (0.074 R)
• M33: 5,158,284 km (0.069 R)
• M34: 5,252,082 km (0.079 R)
• M35: 5,905,077 km (0.09 R)
• M36: 6,003,213 km (0.116 R)
• M37: 6,101,948 km (0.113 R)
• M38: 6,341,155 km (0.069 R)
• M39: 6,603,848 km (0.101 R)
• M40: 6,664,884 km (0.087 R)
• M41: 6,767,209 km (0.047 R)
• M42: 6,932,066 km (0.071 R)
• M43: 7,926,593 km (0.068 R)
• M44: 8,100,276 km (0.103 R)
• M45: 8,165,800 km (0.105 R)
• M46: 8,875,193 km (0.098 R)
• M47: 9,123,675 km (0.095 R)
• M48: 9,627,371 km (0.047 R)
• M49: 9,999,421 km (0.095 R)
• M50: 10,163,679 km (0.051 R)
• M51: 10,352,621 km (0.078 R)
• M52: 10,709,712 km (0.098 R)
• M53: 11,387,390 km (0.083 R)
• M54: 11,558,979 km (0.108 R)
• M55: 12,228,728 km (0.088 R)
• M56: 12,581,031 km (0.088 R)
• M57: 13,064,532 km (0.112 R)
• M58: 13,892,406 km (0.102 R)
• M59: 14,102,142 km (0.115 R)
• M60: 14,233,639 km (0.102 R)
• M61: 14,817,370 km (0.101 R)
• M62: 15,734,854 km (0.077 R)
• M63: 15,898,663 km (0.099 R)
• M64: 15,953,416 km (0.108 R)
• M65: 16,035,695 km (0.098 R)
• M66: 16,726,239 km (0.065 R)
• M67: 16,809,864 km (0.111 R)
• M68: 17,794,517 km (0.056 R)
• M69: 18,855,914 km (0.088 R)
• M70: 18,913,808 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.2

Radius: 4.6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 12.1 AU - 12.14 AU

Year: 15729 Days

Day: 19.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 36,888,876 km

• M1: 74,350 km (0.097 R)
• M2: 146,157 km (0.083 R)
• M3: 177,423 km (0.12 R)
• M4: 248,632 km (0.059 R)
• M5: 351,854 km (0.093 R)
• M6: 1,118,693 km (0.026 R)
• M7: 1,221,915 km (0.082 R)
• M8: 1,292,526 km (0.057 R)
• M9: 1,382,584 km (0.114 R)
• M10: 1,626,727 km (0.104 R)
• M11: 2,154,209 km (0.114 R)
• M12: 2,481,081 km (0.103 R)
• M13: 2,823,211 km (0.059 R)
• M14: 3,083,511 km (0.1 R)
• M15: 3,155,917 km (0.108 R)
• M16: 4,414,783 km (0.076 R)
• M17: 4,827,972 km (0.082 R)
• M18: 5,167,260 km (0.109 R)
• M19: 5,809,185 km (0.111 R)
• M20: 8,515,260 km (0.048 R)
• M21: 8,583,028 km (0.07 R)
• M22: 8,753,121 km (0.092 R)
• M23: 9,235,574 km (0.109 R)
• M24: 9,832,918 km (0.094 R)
• M25: 11,510,808 km (0.058 R)
• M26: 12,767,879 km (0.088 R)
• M27: 13,118,237 km (0.053 R)
• M28: 13,432,393 km (0.087 R)
• M29: 14,268,495 km (0.103 R)
• M30: 15,162,492 km (0.11 R)
• M31: 16,791,314 km (0.101 R)
• M32: 16,918,921 km (0.115 R)
• M33: 16,961,556 km (0.067 R)
• M34: 19,314,132 km (0.066 R)
• M35: 19,537,183 km (0.062 R)
• M36: 22,138,540 km (0.09 R)
• M37: 24,749,621 km (0.119 R)
• M38: 26,017,463 km (0.102 R)
• M39: 26,411,803 km (0.099 R)
• M40: 26,560,204 km (0.067 R)
• M41: 26,957,237 km (0.065 R)
• M42: 27,007,053 km (0.043 R)
• M43: 27,958,346 km (0.106 R)
• M44: 29,278,098 km (0.058 R)
• M45: 29,893,993 km (0.083 R)
• M46: 30,151,750 km (0.068 R)
• M47: 33,570,660 km (0.073 R)
• M48: 33,624,216 km (0.119 R)
• M49: 33,677,772 km (0.1 R)
• M50: 34,161,272 km (0.09 R)
• M51: 34,539,007 km (0.087 R)
• M52: 35,080,850 km (0.12 R)
• M53: 36,008,507 km (0.108 R)
• M54: 36,282,869 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit