🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 156 Days

Day: 48 Hours

Environment

Temp: 155 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.68 AU

Year: 174 Days

Day: 22.3 Hours

Environment

Temp: 165 °C

Axial Tilt: 0.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,033,790 km

• M1: 570,716 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.81 AU - 0.89 AU

Year: 300 Days

Day: 21.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.85 AU - 1.23 AU

Year: 406 Days

Day: 38.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.43 AU - 3.57 AU

Year: 2507 Days

Day: 26.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 8.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.61 AU - 8.97 AU

Year: 9139 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 106,033,790 km

• M1: 159,920 km (0.114 R)
• M2: 308,471 km (0.074 R)
• M3: 381,774 km (0.101 R)
• M4: 469,737 km (0.077 R)
• M5: 540,796 km (0.087 R)
• M6: 805,884 km (0.08 R)
• M7: 1,343,239 km (0.087 R)
• M8: 1,641,388 km (0.117 R)
• M9: 1,791,883 km (0.066 R)
• M10: 1,986,510 km (0.089 R)
• M11: 2,188,018 km (0.104 R)
• M12: 2,256,684 km (0.076 R)
• M13: 2,354,072 km (0.111 R)
• M14: 2,802,417 km (0.059 R)
• M15: 3,013,500 km (0.076 R)
• M16: 3,387,644 km (0.067 R)
• M17: 3,628,945 km (0.09 R)
• M18: 3,809,510 km (0.09 R)
• M19: 4,043,630 km (0.056 R)
• M20: 4,162,411 km (0.102 R)
• M21: 4,490,928 km (0.074 R)
• M22: 4,738,213 km (0.097 R)
• M23: 5,301,898 km (0.088 R)
• M24: 5,638,942 km (0.039 R)
• M25: 5,963,719 km (0.114 R)
• M26: 6,040,912 km (0.111 R)
• M27: 6,294,480 km (0.104 R)
• M28: 6,412,662 km (0.089 R)
• M29: 6,691,363 km (0.073 R)
• M30: 6,933,413 km (0.074 R)
• M31: 7,260,583 km (0.113 R)
• M32: 7,551,102 km (0.116 R)
• M33: 7,739,895 km (0.066 R)
• M34: 8,337,089 km (0.094 R)
• M35: 8,510,473 km (0.112 R)
• M36: 8,838,691 km (0.096 R)
• M37: 8,904,813 km (0.117 R)
• M38: 9,282,847 km (0.103 R)
• M39: 9,530,282 km (0.118 R)
• M40: 10,123,737 km (0.084 R)
• M41: 10,262,414 km (0.085 R)
• M42: 10,965,075 km (0.057 R)
• M43: 11,083,856 km (0.038 R)
• M44: 11,298,379 km (0.105 R)
• M45: 11,394,271 km (0.12 R)
• M46: 11,780,234 km (0.087 R)
• M47: 11,974,861 km (0.047 R)
• M48: 12,293,504 km (0.071 R)
• M49: 13,367,019 km (0.089 R)
• M50: 13,850,818 km (0.097 R)
• M51: 13,902,130 km (0.09 R)
• M52: 14,056,366 km (0.083 R)
• M53: 14,704,872 km (0.101 R)
• M54: 15,204,380 km (0.072 R)
• M55: 15,575,981 km (0.044 R)
• M56: 16,085,062 km (0.039 R)
• M57: 16,219,850 km (0.048 R)
• M58: 16,490,772 km (0.079 R)
• M59: 17,257,162 km (0.106 R)
• M60: 17,839,696 km (0.106 R)
• M61: 17,923,321 km (0.119 R)
• M62: 17,979,270 km (0.092 R)
• M63: 18,767,950 km (0.096 R)
• M64: 19,080,760 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.1

Radius: 7.3

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 15.1 AU - 22.42 AU

Year: 31111 Days

Day: 24.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 106,033,790 km

• M1: 94,097 km (0.118 R)
• M2: 181,313 km (0.046 R)
• M3: 697,276 km (0.114 R)
• M4: 1,969,456 km (0.066 R)
• M5: 2,223,473 km (0.07 R)
• M6: 2,398,652 km (0.041 R)
• M7: 2,533,141 km (0.111 R)
• M8: 2,951,267 km (0.081 R)
• M9: 3,592,892 km (0.088 R)
• M10: 4,061,732 km (0.09 R)
• M11: 5,463,015 km (0.041 R)
• M12: 7,191,469 km (0.098 R)
• M13: 9,354,205 km (0.053 R)
• M14: 9,924,173 km (0.032 R)
• M15: 10,652,416 km (0.082 R)
• M16: 11,322,464 km (0.059 R)
• M17: 13,254,222 km (0.108 R)
• M18: 14,298,564 km (0.072 R)
• M19: 14,954,102 km (0.116 R)
• M20: 15,535,888 km (0.11 R)
• M21: 17,325,229 km (0.061 R)
• M22: 17,760,708 km (0.104 R)
• M23: 18,999,528 km (0.097 R)
• M24: 23,165,380 km (0.082 R)
• M25: 25,399,175 km (0.033 R)
• M26: 26,391,458 km (0.119 R)
• M27: 26,491,389 km (0.104 R)
• M28: 26,992,991 km (0.105 R)
• M29: 27,194,499 km (0.045 R)
• M30: 30,906,322 km (0.081 R)
• M31: 32,606,202 km (0.113 R)
• M32: 32,713,464 km (0.066 R)
• M33: 32,928,287 km (0.105 R)
• M34: 33,575,746 km (0.113 R)
• M35: 34,773,427 km (0.102 R)
• M36: 37,997,710 km (0.104 R)
• M37: 39,017,518 km (0.101 R)
• M38: 41,084,213 km (0.109 R)
• M39: 41,200,002 km (0.088 R)
• M40: 42,364,621 km (0.065 R)
• M41: 42,598,742 km (0.118 R)
• M42: 44,368,933 km (0.113 R)
• M43: 47,858,902 km (0.078 R)
• M44: 49,328,701 km (0.118 R)
• M45: 50,688,845 km (0.093 R)
• M46: 52,563,456 km (0.07 R)
• M47: 53,193,412 km (0.11 R)
• M48: 53,319,673 km (0.08 R)
• M49: 53,952,622 km (0.108 R)
• M50: 55,609,867 km (0.08 R)
• M51: 57,413,120 km (0.115 R)
• M52: 58,061,926 km (0.038 R)
• M53: 58,322,076 km (0.104 R)
• M54: 61,076,921 km (0.088 R)
• M55: 62,670,138 km (0.092 R)
• M56: 63,605,873 km (0.086 R)
• M57: 64,411,458 km (0.092 R)
• M58: 65,626,342 km (0.115 R)
• M59: 65,897,413 km (0.037 R)
• M60: 66,304,619 km (0.078 R)
• M61: 66,712,572 km (0.068 R)
• M62: 66,985,139 km (0.084 R)
• M63: 68,078,700 km (0.07 R)
• M64: 73,634,615 km (0.072 R)
• M65: 74,480,441 km (0.1 R)
• M66: 76,324,235 km (0.089 R)
• M67: 79,189,932 km (0.115 R)
• M68: 79,334,144 km (0.105 R)
• M69: 81,216,834 km (0.115 R)
• M70: 81,362,243 km (0.097 R)
• M71: 81,653,360 km (0.094 R)
• M72: 83,847,811 km (0.112 R)
• M73: 84,141,921 km (0.095 R)
• M74: 84,436,329 km (0.088 R)
• M75: 87,250,116 km (0.063 R)
• M76: 89,793,728 km (0.106 R)
• M77: 91,150,282 km (0.047 R)
• M78: 91,301,376 km (0.068 R)
• M79: 91,452,619 km (0.077 R)
• M80: 91,755,256 km (0.119 R)
• M81: 93,425,965 km (0.049 R)
• M82: 94,188,764 km (0.038 R)
• M83: 96,951,687 km (0.11 R)
• M84: 97,260,308 km (0.103 R)
• M85: 99,119,061 km (0.089 R)
• M86: 101,302,293 km (0.115 R)
• M87: 101,928,958 km (0.119 R)
• M88: 104,923,309 km (0.079 R)
• M89: 105,081,733 km (0.085 R)
• M90: 105,398,731 km (0.086 R)
• M91: 105,716,178 km (0.089 R)
• M92: 106,033,774 km (0.117 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: 515 - 10,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit