🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.86 AU - 1.34 AU

Year: 437 Days

Day: 44.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,390,733 km

• M1: 413,489 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.13 AU - 1.75 AU

Year: 654 Days

Day: 47.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,390,733 km

• M1: 1,325,138 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.35 AU - 1.53 AU

Year: 654 Days

Day: 18.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,390,733 km

• M1: 125,213 km (0.098 R)
• M2: 642,373 km (0.056 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.35 AU - 3.45 AU

Year: 2374 Days

Day: 35.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.37 AU - 4.51 AU

Year: 2962 Days

Day: 47.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 13.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.21 AU - 4.59 AU

Year: 3496 Days

Day: 9.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 91,390,733 km

• M1: 182,659 km (0.081 R)
• M2: 265,835 km (0.109 R)
• M3: 476,320 km (0.038 R)
• M4: 561,740 km (0.084 R)
• M5: 697,874 km (0.074 R)
• M6: 1,134,849 km (0.074 R)
• M7: 1,337,255 km (0.107 R)
• M8: 1,478,925 km (0.119 R)
• M9: 1,676,244 km (0.071 R)
• M10: 1,804,001 km (0.09 R)
• M11: 1,975,290 km (0.109 R)
• M12: 2,069,836 km (0.082 R)
• M13: 2,166,028 km (0.062 R)
• M14: 2,277,777 km (0.091 R)
• M15: 3,036,089 km (0.12 R)
• M16: 3,241,487 km (0.076 R)
• M17: 3,337,828 km (0.079 R)
• M18: 3,467,828 km (0.097 R)
• M19: 3,583,019 km (0.111 R)
• M20: 4,143,562 km (0.101 R)
• M21: 4,354,196 km (0.105 R)
• M22: 4,532,516 km (0.093 R)
• M23: 4,713,380 km (0.11 R)
• M24: 4,970,539 km (0.097 R)
• M25: 5,138,388 km (0.114 R)
• M26: 5,384,027 km (0.079 R)
• M27: 5,672,452 km (0.088 R)
• M28: 6,045,250 km (0.103 R)
• M29: 6,184,526 km (0.11 R)
• M30: 6,507,059 km (0.116 R)
• M31: 7,722,242 km (0.114 R)
• M32: 8,026,075 km (0.082 R)
• M33: 8,157,422 km (0.104 R)
• M34: 8,267,526 km (0.036 R)
• M35: 8,400,220 km (0.119 R)
• M36: 8,825,377 km (0.107 R)
• M37: 8,938,323 km (0.039 R)
• M38: 9,580,397 km (0.071 R)
• M39: 9,836,658 km (0.112 R)
• M40: 9,930,456 km (0.09 R)
• M41: 10,213,495 km (0.098 R)
• M42: 10,523,163 km (0.051 R)
• M43: 10,691,311 km (0.105 R)
• M44: 10,932,912 km (0.03 R)
• M45: 11,151,923 km (0.099 R)
• M46: 11,643,950 km (0.069 R)
• M47: 11,817,933 km (0.088 R)
• M48: 12,193,423 km (0.105 R)
• M49: 12,496,658 km (0.115 R)
• M50: 12,725,842 km (0.099 R)
• M51: 13,136,638 km (0.097 R)
• M52: 13,265,890 km (0.105 R)
• M53: 13,499,562 km (0.08 R)
• M54: 14,023,903 km (0.115 R)
• M55: 14,341,798 km (0.107 R)
• M56: 14,608,382 km (0.106 R)
• M57: 14,715,494 km (0.045 R)
• M58: 14,876,760 km (0.082 R)
• M59: 15,391,078 km (0.074 R)
• M60: 15,691,620 km (0.028 R)
• M61: 16,021,633 km (0.066 R)
• M62: 16,884,663 km (0.049 R)
• M63: 18,366,280 km (0.04 R)
• M64: 18,656,051 km (0.086 R)
• M65: 19,563,811 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.8

Radius: 6.7

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 13 AU - 18 AU

Year: 23112 Days

Day: 17 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 91,390,733 km

• M1: 106,364 km (0.086 R)
• M2: 285,732 km (0.104 R)
• M3: 488,437 km (0.109 R)
• M4: 869,313 km (0.038 R)
• M5: 1,134,999 km (0.1 R)
• M6: 1,261,110 km (0.12 R)
• M7: 1,325,886 km (0.106 R)
• M8: 2,072,379 km (0.118 R)
• M9: 2,589,838 km (0.063 R)
• M10: 2,672,865 km (0.094 R)
• M11: 3,101,613 km (0.108 R)
• M12: 3,145,744 km (0.104 R)
• M13: 3,597,829 km (0.099 R)
• M14: 4,022,088 km (0.115 R)
• M15: 4,412,539 km (0.076 R)
• M16: 5,547,687 km (0.115 R)
• M17: 6,314,676 km (0.111 R)
• M18: 7,172,769 km (0.075 R)
• M19: 7,885,304 km (0.092 R)
• M20: 8,127,952 km (0.086 R)
• M21: 8,496,261 km (0.105 R)
• M22: 9,059,198 km (0.027 R)
• M23: 9,441,122 km (0.084 R)
• M24: 9,893,356 km (0.092 R)
• M25: 10,352,621 km (0.048 R)
• M26: 10,485,165 km (0.106 R)
• M27: 13,035,958 km (0.078 R)
• M28: 15,539,030 km (0.1 R)
• M29: 15,766,868 km (0.075 R)
• M30: 15,919,308 km (0.084 R)
• M31: 16,225,834 km (0.116 R)
• M32: 17,313,859 km (0.12 R)
• M33: 19,723,582 km (0.057 R)
• M34: 21,725,650 km (0.114 R)
• M35: 21,810,472 km (0.107 R)
• M36: 22,150,807 km (0.064 R)
• M37: 22,578,807 km (0.078 R)
• M38: 23,182,434 km (0.111 R)
• M39: 24,405,696 km (0.077 R)
• M40: 24,493,959 km (0.06 R)
• M41: 25,381,523 km (0.086 R)
• M42: 25,919,177 km (0.11 R)
• M43: 26,551,079 km (0.043 R)
• M44: 27,188,067 km (0.088 R)
• M45: 28,106,897 km (0.07 R)
• M46: 30,637,943 km (0.101 R)
• M47: 32,948,183 km (0.096 R)
• M48: 33,045,721 km (0.06 R)
• M49: 34,717,327 km (0.111 R)
• M50: 34,915,844 km (0.108 R)
• M51: 35,114,659 km (0.04 R)
• M52: 35,913,811 km (0.028 R)
• M53: 37,428,340 km (0.105 R)
• M54: 39,066,736 km (0.071 R)
• M55: 39,894,760 km (0.12 R)
• M56: 40,102,701 km (0.094 R)
• M57: 42,307,175 km (0.099 R)
• M58: 42,944,163 km (0.049 R)
• M59: 43,157,340 km (0.1 R)
• M60: 45,524,128 km (0.113 R)
• M61: 46,395,087 km (0.07 R)
• M62: 48,596,719 km (0.1 R)
• M63: 49,598,576 km (0.077 R)
• M64: 54,593,200 km (0.069 R)
• M65: 56,215,738 km (0.098 R)
• M66: 57,971,568 km (0.087 R)
• M67: 59,389,158 km (0.109 R)
• M68: 61,177,301 km (0.12 R)
• M69: 61,297,129 km (0.09 R)
• M70: 61,777,189 km (0.12 R)
• M71: 63,710,143 km (0.116 R)
• M72: 64,074,713 km (0.084 R)
• M73: 66,523,181 km (0.112 R)
• M74: 66,646,450 km (0.107 R)
• M75: 67,016,555 km (0.088 R)
• M76: 67,140,123 km (0.101 R)
• M77: 68,006,893 km (0.065 R)
• M78: 68,877,403 km (0.068 R)
• M79: 69,626,589 km (0.059 R)
• M80: 71,763,744 km (0.077 R)
• M81: 73,539,770 km (0.095 R)
• M82: 74,817,336 km (0.026 R)
• M83: 75,844,624 km (0.086 R)
• M84: 76,618,045 km (0.035 R)
• M85: 77,264,607 km (0.094 R)
• M86: 78,042,965 km (0.075 R)
• M87: 79,869,106 km (0.109 R)
• M88: 81,181,977 km (0.064 R)
• M89: 82,237,540 km (0.112 R)
• M90: 82,502,179 km (0.077 R)
• M91: 83,297,590 km (0.102 R)
• M92: 84,629,011 km (0.104 R)
• M93: 91,116,921 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 12,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit