🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.48 AU - 0.56 AU

Year: 160 Days

Day: 26.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.58 AU - 0.8 AU

Year: 245 Days

Day: 46.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.61 AU - 0.79 AU

Year: 250 Days

Day: 34 Hours

Environment

Temp: 10 °C

Axial Tilt: 48.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,316,383 km

• M1: 77,791 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.19 AU - 1.77 AU

Year: 770 Days

Day: 14.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 64.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.1

Radius: 12.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.96 AU - 4.56 AU

Year: 3117 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 68,316,383 km

• M1: 164,109 km (0.081 R)
• M2: 269,276 km (0.041 R)
• M3: 370,853 km (0.085 R)
• M4: 568,771 km (0.06 R)
• M5: 857,495 km (0.111 R)
• M6: 1,009,038 km (0.116 R)
• M7: 1,158,187 km (0.098 R)
• M8: 1,390,213 km (0.105 R)
• M9: 1,746,705 km (0.077 R)
• M10: 1,858,006 km (0.115 R)
• M11: 2,147,029 km (0.081 R)
• M12: 2,281,966 km (0.056 R)
• M13: 2,404,337 km (0.089 R)
• M14: 2,916,111 km (0.117 R)
• M15: 2,999,138 km (0.116 R)
• M16: 3,083,063 km (0.071 R)
• M17: 3,356,976 km (0.045 R)
• M18: 3,532,305 km (0.111 R)
• M19: 3,965,540 km (0.106 R)
• M20: 4,057,992 km (0.054 R)
• M21: 4,169,891 km (0.095 R)
• M22: 4,301,687 km (0.075 R)
• M23: 4,415,830 km (0.108 R)
• M24: 4,550,318 km (0.092 R)
• M25: 5,041,747 km (0.09 R)
• M26: 5,283,797 km (0.087 R)
• M27: 5,758,471 km (0.064 R)
• M28: 5,948,011 km (0.111 R)
• M29: 6,075,469 km (0.103 R)
• M30: 6,485,367 km (0.098 R)
• M31: 6,859,661 km (0.07 R)
• M32: 7,286,613 km (0.029 R)
• M33: 7,377,569 km (0.057 R)
• M34: 7,675,867 km (0.07 R)
• M35: 7,908,043 km (0.04 R)
• M36: 8,666,653 km (0.085 R)
• M37: 9,275,517 km (0.118 R)
• M38: 9,448,452 km (0.1 R)
• M39: 9,547,785 km (0.119 R)
• M40: 9,722,515 km (0.034 R)
• M41: 10,304,002 km (0.116 R)
• M42: 10,431,908 km (0.114 R)
• M43: 10,715,247 km (0.05 R)
• M44: 11,263,074 km (0.045 R)
• M45: 11,368,541 km (0.09 R)
• M46: 11,580,222 km (0.106 R)
• M47: 11,739,992 km (0.098 R)
• M48: 12,061,628 km (0.112 R)
• M49: 12,440,559 km (0.079 R)
• M50: 13,071,712 km (0.06 R)
• M51: 13,349,366 km (0.086 R)
• M52: 13,572,865 km (0.067 R)
• M53: 13,910,508 km (0.048 R)
• M54: 14,165,572 km (0.091 R)
• M55: 14,279,416 km (0.061 R)
• M56: 14,737,933 km (0.07 R)
• M57: 14,853,423 km (0.109 R)
• M58: 15,376,268 km (0.102 R)
• M59: 15,464,081 km (0.119 R)
• M60: 15,698,950 km (0.097 R)
• M61: 16,320,978 km (0.103 R)
• M62: 17,072,109 km (0.079 R)
• M63: 17,314,906 km (0.097 R)
• M64: 17,773,125 km (0.073 R)
• M65: 17,865,277 km (0.042 R)
• M66: 18,639,296 km (0.116 R)
• M67: 18,857,859 km (0.049 R)
• M68: 19,455,801 km (0.082 R)
• M69: 19,614,226 km (0.102 R)
• M70: 19,836,678 km (0.109 R)
• M71: 19,932,271 km (0.043 R)
• M72: 20,380,316 km (0.097 R)
• M73: 21,286,580 km (0.06 R)
• M74: 21,646,213 km (0.079 R)
• M75: 21,843,234 km (0.027 R)
• M76: 21,974,880 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.1

Radius: 4.2

Gravity: 38.21 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.95 AU - 13.49 AU

Year: 17152 Days

Day: 18.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 68,316,383 km

• M1: 660,923 km (0.108 R)
• M2: 1,030,580 km (0.106 R)
• M3: 1,510,789 km (0.114 R)
• M4: 1,567,935 km (0.055 R)
• M5: 2,178,594 km (0.1 R)
• M6: 2,408,077 km (0.109 R)
• M7: 2,645,339 km (0.096 R)
• M8: 2,784,166 km (0.076 R)
• M9: 2,889,932 km (0.081 R)
• M10: 2,961,140 km (0.106 R)
• M11: 3,628,197 km (0.104 R)
• M12: 3,978,406 km (0.118 R)
• M13: 5,484,108 km (0.117 R)
• M14: 6,203,824 km (0.104 R)
• M15: 6,342,052 km (0.119 R)
• M16: 6,388,427 km (0.091 R)
• M17: 6,434,803 km (0.044 R)
• M18: 8,381,221 km (0.094 R)
• M19: 9,364,677 km (0.082 R)
• M20: 9,843,091 km (0.113 R)
• M21: 10,274,980 km (0.117 R)
• M22: 10,823,556 km (0.089 R)
• M23: 11,607,299 km (0.115 R)
• M24: 11,777,691 km (0.078 R)
• M25: 11,948,831 km (0.047 R)
• M26: 13,645,570 km (0.117 R)
• M27: 14,126,677 km (0.077 R)
• M28: 14,430,211 km (0.093 R)
• M29: 14,981,928 km (0.042 R)
• M30: 15,415,911 km (0.068 R)
• M31: 15,791,102 km (0.094 R)
• M32: 15,979,895 km (0.063 R)
• M33: 17,973,436 km (0.115 R)
• M34: 18,566,741 km (0.104 R)
• M35: 19,166,479 km (0.055 R)
• M36: 20,521,836 km (0.065 R)
• M37: 21,837,699 km (0.086 R)
• M38: 23,538,477 km (0.05 R)
• M39: 23,826,154 km (0.092 R)
• M40: 24,114,878 km (0.108 R)
• M41: 24,914,927 km (0.077 R)
• M42: 25,502,248 km (0.09 R)
• M43: 26,391,608 km (0.061 R)
• M44: 26,540,906 km (0.104 R)
• M45: 27,215,892 km (0.096 R)
• M46: 33,216,861 km (0.072 R)
• M47: 34,106,220 km (0.047 R)
• M48: 34,921,529 km (0.101 R)
• M49: 35,825,848 km (0.077 R)
• M50: 36,987,774 km (0.051 R)
• M51: 37,071,250 km (0.102 R)
• M52: 38,330,864 km (0.117 R)
• M53: 38,415,237 km (0.077 R)
• M54: 38,499,760 km (0.044 R)
• M55: 38,584,432 km (0.103 R)
• M56: 39,604,391 km (0.067 R)
• M57: 41,237,251 km (0.08 R)
• M58: 41,757,553 km (0.096 R)
• M59: 41,931,386 km (0.076 R)
• M60: 43,331,173 km (0.109 R)
• M61: 43,595,363 km (0.066 R)
• M62: 43,948,414 km (0.097 R)
• M63: 44,746,219 km (0.025 R)
• M64: 46,806,780 km (0.044 R)
• M65: 48,898,009 km (0.098 R)
• M66: 49,908,991 km (0.117 R)
• M67: 50,370,800 km (0.119 R)
• M68: 51,391,656 km (0.099 R)
• M69: 51,578,055 km (0.119 R)
• M70: 51,951,301 km (0.09 R)
• M71: 52,044,800 km (0.102 R)
• M72: 52,231,947 km (0.069 R)
• M73: 52,794,734 km (0.112 R)
• M74: 53,265,219 km (0.066 R)
• M75: 53,453,862 km (0.073 R)
• M76: 56,789,895 km (0.105 R)
• M77: 56,982,577 km (0.104 R)
• M78: 57,271,899 km (0.101 R)
• M79: 58,240,097 km (0.065 R)
• M80: 59,018,454 km (0.089 R)
• M81: 59,996,376 km (0.096 R)
• M82: 60,782,512 km (0.059 R)
• M83: 61,176,852 km (0.104 R)
• M84: 61,473,206 km (0.087 R)
• M85: 61,572,090 km (0.105 R)
• M86: 62,265,775 km (0.101 R)
• M87: 62,364,959 km (0.106 R)
• M88: 64,161,480 km (0.117 R)
• M89: 64,462,470 km (0.119 R)
• M90: 66,684,597 km (0.119 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: 459 - 19,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit