🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.57 AU - 0.63 AU

Year: 175 Days

Day: 28.7 Hours

Environment

Temp: 195 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.64 AU - 0.78 AU

Year: 225 Days

Day: 39.4 Hours

Environment

Temp: 151 °C

Axial Tilt: 173.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.59 AU - 0.91 AU

Year: 245 Days

Day: 39.8 Hours

Environment

Temp: 100 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.26 AU - 1.4 AU

Year: 578 Days

Day: 40.7 Hours

Environment

Temp: -27 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,626,197 km

• M1: 44,431 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.93 AU - 4.17 AU

Year: 3070 Days

Day: 27.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.19 AU - 4.97 AU

Year: 3105 Days

Day: 33.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 13.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 6.3

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 10.96 AU - 16.34 AU

Year: 18999 Days

Day: 17.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 74,626,197 km

• M1: 89,908 km (0.112 R)
• M2: 171,439 km (0.091 R)
• M3: 375,042 km (0.058 R)
• M4: 483,351 km (0.118 R)
• M5: 709,244 km (0.03 R)
• M6: 966,253 km (0.111 R)
• M7: 1,278,164 km (0.08 R)
• M8: 1,590,225 km (0.03 R)
• M9: 1,894,208 km (0.037 R)
• M10: 2,150,320 km (0.059 R)
• M11: 2,766,214 km (0.11 R)
• M12: 3,093,684 km (0.037 R)
• M13: 3,356,976 km (0.09 R)
• M14: 4,438,270 km (0.105 R)
• M15: 4,692,287 km (0.113 R)
• M16: 4,864,175 km (0.107 R)
• M17: 4,907,558 km (0.096 R)
• M18: 4,950,942 km (0.076 R)
• M19: 5,892,511 km (0.113 R)
• M20: 6,646,334 km (0.094 R)
• M21: 7,630,539 km (0.107 R)
• M22: 7,731,517 km (0.107 R)
• M23: 7,934,671 km (0.073 R)
• M24: 8,607,113 km (0.068 R)
• M25: 9,567,981 km (0.074 R)
• M26: 10,283,058 km (0.079 R)
• M27: 10,506,408 km (0.084 R)
• M28: 11,416,262 km (0.089 R)
• M29: 11,822,121 km (0.078 R)
• M30: 12,173,826 km (0.114 R)
• M31: 12,588,511 km (0.041 R)
• M32: 13,553,717 km (0.103 R)
• M33: 14,293,179 km (0.074 R)
• M34: 15,362,953 km (0.054 R)
• M35: 16,719,656 km (0.119 R)
• M36: 16,982,350 km (0.06 R)
• M37: 17,578,498 km (0.116 R)
• M38: 17,912,699 km (0.116 R)
• M39: 18,451,701 km (0.077 R)
• M40: 19,064,603 km (0.046 R)
• M41: 24,126,995 km (0.116 R)
• M42: 25,397,231 km (0.102 R)
• M43: 26,765,602 km (0.099 R)
• M44: 26,842,346 km (0.117 R)
• M45: 27,304,304 km (0.111 R)
• M46: 29,177,868 km (0.104 R)
• M47: 30,050,472 km (0.119 R)
• M48: 31,739,881 km (0.049 R)
• M49: 32,146,638 km (0.073 R)
• M50: 32,228,318 km (0.116 R)
• M51: 32,637,169 km (0.117 R)
• M52: 33,542,685 km (0.071 R)
• M53: 33,873,895 km (0.106 R)
• M54: 34,456,429 km (0.111 R)
• M55: 34,707,005 km (0.046 R)
• M56: 34,958,330 km (0.091 R)
• M57: 35,126,029 km (0.108 R)
• M58: 35,969,162 km (0.042 R)
• M59: 36,223,479 km (0.111 R)
• M60: 37,160,859 km (0.06 R)
• M61: 38,885,423 km (0.067 R)
• M62: 40,635,868 km (0.11 R)
• M63: 40,812,393 km (0.106 R)
• M64: 40,900,806 km (0.108 R)
• M65: 41,343,316 km (0.089 R)
• M66: 42,590,963 km (0.08 R)
• M67: 42,680,572 km (0.114 R)
• M68: 43,670,311 km (0.099 R)
• M69: 43,851,025 km (0.112 R)
• M70: 44,213,351 km (0.111 R)
• M71: 44,667,531 km (0.045 R)
• M72: 45,397,568 km (0.06 R)
• M73: 45,855,787 km (0.087 R)
• M74: 48,263,115 km (0.116 R)
• M75: 50,711,285 km (0.099 R)
• M76: 50,901,274 km (0.107 R)
• M77: 51,854,811 km (0.086 R)
• M78: 53,006,864 km (0.069 R)
• M79: 54,555,950 km (0.081 R)
• M80: 59,491,632 km (0.089 R)
• M81: 62,012,506 km (0.12 R)
• M82: 62,520,840 km (0.104 R)
• M83: 63,848,970 km (0.08 R)
• M84: 65,806,907 km (0.097 R)
• M85: 66,949,385 km (0.066 R)
• M86: 67,053,506 km (0.086 R)
• M87: 68,203,165 km (0.04 R)
• M88: 68,412,901 km (0.068 R)
• M89: 69,359,258 km (0.119 R)
• M90: 69,781,273 km (0.096 R)
• M91: 70,204,186 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 4.6

Gravity: 19.09 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 12.69 AU - 20.35 AU

Year: 25295 Days

Day: 18.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 74,626,197 km

• M1: 91,853 km (0.108 R)
• M2: 143,165 km (0.093 R)
• M3: 237,262 km (0.105 R)
• M4: 406,607 km (0.118 R)
• M5: 444,605 km (0.061 R)
• M6: 504,294 km (0.086 R)
• M7: 609,611 km (0.087 R)
• M8: 1,264,551 km (0.112 R)
• M9: 1,497,923 km (0.055 R)
• M10: 1,619,547 km (0.057 R)
• M11: 1,776,176 km (0.083 R)
• M12: 2,070,584 km (0.094 R)
• M13: 3,432,074 km (0.119 R)
• M14: 3,592,892 km (0.107 R)
• M15: 3,755,954 km (0.117 R)
• M16: 5,610,070 km (0.073 R)
• M17: 5,847,033 km (0.074 R)
• M18: 5,894,754 km (0.09 R)
• M19: 7,284,668 km (0.063 R)
• M20: 7,439,353 km (0.085 R)
• M21: 8,175,374 km (0.117 R)
• M22: 8,934,583 km (0.115 R)
• M23: 9,829,328 km (0.06 R)
• M24: 10,000,169 km (0.092 R)
• M25: 10,114,761 km (0.041 R)
• M26: 10,752,347 km (0.063 R)
• M27: 11,164,788 km (0.117 R)
• M28: 11,224,029 km (0.064 R)
• M29: 11,343,109 km (0.111 R)
• M30: 12,927,799 km (0.12 R)
• M31: 13,303,290 km (0.1 R)
• M32: 13,618,941 km (0.036 R)
• M33: 14,971,306 km (0.12 R)
• M34: 16,839,933 km (0.093 R)
• M35: 16,908,000 km (0.104 R)
• M36: 17,870,662 km (0.082 R)
• M37: 18,921,887 km (0.066 R)
• M38: 20,064,964 km (0.06 R)
• M39: 21,083,426 km (0.087 R)
• M40: 21,598,941 km (0.054 R)
• M41: 22,044,144 km (0.117 R)
• M42: 23,246,013 km (0.094 R)
• M43: 23,321,710 km (0.064 R)
• M44: 23,854,876 km (0.096 R)
• M45: 23,931,321 km (0.057 R)
• M46: 25,556,103 km (0.033 R)
• M47: 25,869,661 km (0.086 R)
• M48: 28,666,692 km (0.108 R)
• M49: 29,074,047 km (0.116 R)
• M50: 29,729,734 km (0.114 R)
• M51: 30,888,968 km (0.109 R)
• M52: 30,972,294 km (0.047 R)
• M53: 31,139,246 km (0.107 R)
• M54: 31,222,871 km (0.091 R)
• M55: 31,557,970 km (0.11 R)
• M56: 32,316,282 km (0.117 R)
• M57: 32,400,954 km (0.089 R)
• M58: 34,281,399 km (0.066 R)
• M59: 34,454,185 km (0.081 R)
• M60: 34,540,652 km (0.056 R)
• M61: 34,887,121 km (0.042 R)
• M62: 35,322,002 km (0.104 R)
• M63: 35,933,708 km (0.074 R)
• M64: 36,021,522 km (0.109 R)
• M65: 36,725,529 km (0.083 R)
• M66: 37,434,025 km (0.038 R)
• M67: 38,057,698 km (0.115 R)
• M68: 38,415,686 km (0.095 R)
• M69: 39,134,803 km (0.118 R)
• M70: 39,225,010 km (0.084 R)
• M71: 43,635,904 km (0.097 R)
• M72: 43,729,402 km (0.104 R)
• M73: 44,198,242 km (0.102 R)
• M74: 45,614,336 km (0.075 R)
• M75: 48,491,252 km (0.052 R)
• M76: 51,722,716 km (0.106 R)
• M77: 52,915,011 km (0.115 R)
• M78: 53,214,506 km (0.108 R)
• M79: 53,314,437 km (0.078 R)
• M80: 56,138,247 km (0.119 R)
• M81: 57,671,026 km (0.079 R)
• M82: 61,719,893 km (0.077 R)
• M83: 62,561,680 km (0.079 R)
• M84: 63,089,760 km (0.053 R)
• M85: 66,288,911 km (0.12 R)
• M86: 66,611,743 km (0.104 R)
• M87: 69,540,570 km (0.112 R)
• M88: 71,185,698 km (0.083 R)
• M89: 71,295,952 km (0.102 R)
• M90: 71,736,966 km (0.074 R)
• M91: 72,068,475 km (0.088 R)
• M92: 73,287,997 km (0.088 R)
• M93: 73,844,651 km (0.077 R)
• M94: 74,514,400 km (0.098 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: 325 - 17,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit