🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.59 AU - 0.69 AU

Year: 190 Days

Day: 28.9 Hours

Environment

Temp: 184 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.1 AU - 1.16 AU

Year: 445 Days

Day: 28.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.05 AU - 1.27 AU

Year: 463 Days

Day: 23.4 Hours

Environment

Temp: 0 °C

Axial Tilt: 21.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 75,147,160 km

• M1: 68,067 km (0.074 R)
• M2: 160,369 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.2 AU - 1.76 AU

Year: 668 Days

Day: 28.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,147,160 km

• M1: 1,271,881 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.7

Radius: 7.8

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.28 AU - 15.92 AU

Year: 17584 Days

Day: 17.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 75,147,160 km

• M1: 293,511 km (0.12 R)
• M2: 886,218 km (0.049 R)
• M3: 1,091,616 km (0.052 R)
• M4: 1,283,699 km (0.113 R)
• M5: 1,457,233 km (0.104 R)
• M6: 1,891,665 km (0.116 R)
• M7: 2,056,223 km (0.086 R)
• M8: 2,910,127 km (0.095 R)
• M9: 3,139,162 km (0.086 R)
• M10: 3,413,823 km (0.116 R)
• M11: 3,614,733 km (0.09 R)
• M12: 3,696,264 km (0.119 R)
• M13: 3,986,334 km (0.101 R)
• M14: 4,283,735 km (0.063 R)
• M15: 4,500,652 km (0.117 R)
• M16: 4,900,228 km (0.039 R)
• M17: 6,165,975 km (0.079 R)
• M18: 6,759,430 km (0.09 R)
• M19: 6,961,238 km (0.108 R)
• M20: 8,375,386 km (0.111 R)
• M21: 8,865,918 km (0.044 R)
• M22: 11,636,171 km (0.049 R)
• M23: 11,878,221 km (0.116 R)
• M24: 12,305,921 km (0.114 R)
• M25: 12,367,406 km (0.065 R)
• M26: 12,429,040 km (0.096 R)
• M27: 12,490,674 km (0.063 R)
• M28: 12,552,458 km (0.087 R)
• M29: 12,800,791 km (0.05 R)
• M30: 13,176,281 km (0.118 R)
• M31: 13,239,262 km (0.107 R)
• M32: 13,302,243 km (0.083 R)
• M33: 13,874,006 km (0.055 R)
• M34: 14,066,389 km (0.093 R)
• M35: 14,324,295 km (0.044 R)
• M36: 15,173,263 km (0.075 R)
• M37: 15,504,024 km (0.101 R)
• M38: 15,570,595 km (0.087 R)
• M39: 15,837,328 km (0.076 R)
• M40: 16,851,153 km (0.106 R)
• M41: 18,870,126 km (0.116 R)
• M42: 19,154,661 km (0.09 R)
• M43: 19,727,770 km (0.115 R)
• M44: 20,306,565 km (0.112 R)
• M45: 20,379,269 km (0.111 R)
• M46: 21,258,905 km (0.075 R)
• M47: 22,979,280 km (0.057 R)
• M48: 23,359,109 km (0.117 R)
• M49: 23,435,404 km (0.103 R)
• M50: 23,664,588 km (0.089 R)
• M51: 24,356,628 km (0.116 R)
• M52: 24,977,309 km (0.116 R)
• M53: 26,870,470 km (0.092 R)
• M54: 27,511,647 km (0.1 R)
• M55: 29,218,858 km (0.074 R)
• M56: 29,712,979 km (0.116 R)
• M57: 31,463,723 km (0.049 R)
• M58: 33,247,828 km (0.083 R)
• M59: 33,333,547 km (0.045 R)
• M60: 34,022,296 km (0.088 R)
• M61: 34,715,831 km (0.077 R)
• M62: 35,239,125 km (0.115 R)
• M63: 35,414,005 km (0.068 R)
• M64: 35,852,775 km (0.093 R)
• M65: 35,940,739 km (0.06 R)
• M66: 37,001,837 km (0.087 R)
• M67: 37,894,038 km (0.073 R)
• M68: 38,522,648 km (0.1 R)
• M69: 40,063,806 km (0.076 R)
• M70: 41,071,796 km (0.106 R)
• M71: 41,717,461 km (0.106 R)
• M72: 43,956,941 km (0.114 R)
• M73: 47,099,244 km (0.095 R)
• M74: 47,388,417 km (0.106 R)
• M75: 49,919,912 km (0.094 R)
• M76: 50,510,225 km (0.12 R)
• M77: 50,707,545 km (0.097 R)
• M78: 51,499,366 km (0.046 R)
• M79: 52,594,722 km (0.095 R)
• M80: 53,496,797 km (0.116 R)
• M81: 53,798,536 km (0.074 R)
• M82: 58,082,570 km (0.112 R)
• M83: 59,534,717 km (0.055 R)
• M84: 60,579,359 km (0.095 R)
• M85: 60,788,945 km (0.074 R)
• M86: 61,735,301 km (0.103 R)
• M87: 62,792,659 km (0.051 R)
• M88: 66,000,037 km (0.089 R)
• M89: 67,406,407 km (0.1 R)
• M90: 68,604,237 km (0.039 R)
• M91: 68,932,006 km (0.096 R)
• M92: 71,684,457 km (0.12 R)
• M93: 75,147,199 km (0.06 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: 229 - 12,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit