🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.22 AU - 1.58 AU

Year: 602 Days

Day: 17.9 Hours

Environment

Temp: -13 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 52,999,462 km

• M1: 435,779 km (0.067 R)
• M2: 983,905 km (0.055 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.53 AU - 2.15 AU

Year: 907 Days

Day: 18.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.81 AU - 3.17 AU

Year: 1879 Days

Day: 36.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.36 AU - 3.68 AU

Year: 2400 Days

Day: 25.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.83 AU - 4.21 AU

Year: 2400 Days

Day: 28.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.19 AU - 4.21 AU

Year: 2587 Days

Day: 46.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,999,462 km

• M1: 1,203,964 km (0.074 R)
• M2: 2,097,512 km (0.072 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.05 AU - 5.19 AU

Year: 3609 Days

Day: 14.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.16 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.5

Radius: 3

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 12.94 AU - 18.44 AU

Year: 22587 Days

Day: 19.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 120.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 52,999,462 km

• M1: 82,578 km (0.107 R)
• M2: 154,684 km (0.06 R)
• M3: 399,127 km (0.119 R)
• M4: 835,205 km (0.09 R)
• M5: 1,191,098 km (0.092 R)
• M6: 1,213,239 km (0.118 R)
• M7: 1,326,634 km (0.105 R)
• M8: 2,377,858 km (0.099 R)
• M9: 2,462,680 km (0.118 R)
• M10: 3,458,703 km (0.095 R)
• M11: 4,354,495 km (0.083 R)
• M12: 4,527,879 km (0.094 R)
• M13: 5,317,157 km (0.116 R)
• M14: 5,354,108 km (0.098 R)
• M15: 6,225,515 km (0.057 R)
• M16: 6,499,279 km (0.036 R)
• M17: 6,817,025 km (0.114 R)
• M18: 8,137,825 km (0.106 R)
• M19: 8,180,311 km (0.112 R)
• M20: 8,222,946 km (0.106 R)
• M21: 8,265,582 km (0.116 R)
• M22: 8,696,423 km (0.116 R)
• M23: 9,624,529 km (0.074 R)
• M24: 9,895,450 km (0.057 R)
• M25: 9,940,779 km (0.114 R)
• M26: 10,077,361 km (0.108 R)
• M27: 10,306,396 km (0.116 R)
• M28: 10,490,850 km (0.101 R)
• M29: 11,287,010 km (0.118 R)
• M30: 11,668,335 km (0.116 R)
• M31: 13,486,098 km (0.037 R)
• M32: 13,536,363 km (0.062 R)
• M33: 13,738,320 km (0.085 R)
• M34: 13,839,748 km (0.107 R)
• M35: 15,075,277 km (0.113 R)
• M36: 15,337,222 km (0.115 R)
• M37: 16,238,550 km (0.097 R)
• M38: 16,939,416 km (0.101 R)
• M39: 18,650,067 km (0.095 R)
• M40: 19,668,230 km (0.083 R)
• M41: 20,069,003 km (0.091 R)
• M42: 20,356,979 km (0.1 R)
• M43: 20,472,469 km (0.105 R)
• M44: 20,588,257 km (0.089 R)
• M45: 21,346,120 km (0.11 R)
• M46: 21,699,022 km (0.112 R)
• M47: 22,113,108 km (0.059 R)
• M48: 22,231,889 km (0.106 R)
• M49: 22,291,429 km (0.063 R)
• M50: 23,734,600 km (0.108 R)
• M51: 23,795,486 km (0.079 R)
• M52: 25,331,856 km (0.119 R)
• M53: 25,456,172 km (0.107 R)
• M54: 25,580,637 km (0.099 R)
• M55: 26,331,918 km (0.086 R)
• M56: 28,434,965 km (0.118 R)
• M57: 29,278,098 km (0.108 R)
• M58: 29,997,814 km (0.104 R)
• M59: 30,392,902 km (0.094 R)
• M60: 30,922,329 km (0.052 R)
• M61: 31,521,618 km (0.091 R)
• M62: 31,722,228 km (0.066 R)
• M63: 31,990,457 km (0.114 R)
• M64: 33,206,239 km (0.059 R)
• M65: 34,506,095 km (0.113 R)
• M66: 35,682,982 km (0.12 R)
• M67: 36,662,100 km (0.053 R)
• M68: 38,718,173 km (0.086 R)
• M69: 39,004,802 km (0.092 R)
• M70: 39,076,460 km (0.077 R)
• M71: 39,579,857 km (0.119 R)
• M72: 41,103,062 km (0.108 R)
• M73: 43,237,674 km (0.087 R)
• M74: 43,907,424 km (0.119 R)
• M75: 44,956,105 km (0.052 R)
• M76: 45,558,984 km (0.09 R)
• M77: 46,013,014 km (0.079 R)
• M78: 46,164,557 km (0.108 R)
• M79: 46,772,821 km (0.117 R)
• M80: 47,078,001 km (0.095 R)
• M81: 47,307,335 km (0.103 R)
• M82: 47,613,561 km (0.113 R)
• M83: 47,997,280 km (0.111 R)
• M84: 49,000,035 km (0.116 R)
• M85: 49,931,580 km (0.08 R)
• M86: 50,087,461 km (0.079 R)
• M87: 50,947,350 km (0.042 R)
• M88: 51,733,487 km (0.093 R)
• M89: 51,812,325 km (0.059 R)
• M90: 52,365,239 km (0.047 R)
• M91: 52,840,661 km (0.103 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 10,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit