🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.53 AU - 0.63 AU

Year: 158 Days

Day: 33.9 Hours

Environment

Temp: 243 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.55 AU - 0.69 AU

Year: 175 Days

Day: 20.1 Hours

Environment

Temp: 150 °C

Axial Tilt: 33 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,027,600 km

• M1: 107,561 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.87 AU - 1.27 AU

Year: 396 Days

Day: 24.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 42.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,027,600 km

• M1: 118,781 km (0.084 R)
• M2: 780,901 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.24 AU - 1.3 AU

Year: 513 Days

Day: 31.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,027,600 km

• M1: 227,389 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.47 AU - 3.57 AU

Year: 2365 Days

Day: 47.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.61 AU - 3.75 AU

Year: 2528 Days

Day: 20.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.2

Radius: 9.5

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.04 AU - 6.46 AU

Year: 4308 Days

Day: 13.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 69,027,600 km

• M1: 146,307 km (0.104 R)
• M2: 328,816 km (0.103 R)
• M3: 391,797 km (0.05 R)
• M4: 477,816 km (0.101 R)
• M5: 767,886 km (0.113 R)
• M6: 880,383 km (0.106 R)
• M7: 962,662 km (0.069 R)
• M8: 1,278,463 km (0.075 R)
• M9: 1,372,710 km (0.062 R)
• M10: 1,758,224 km (0.1 R)
• M11: 2,097,063 km (0.084 R)
• M12: 2,422,887 km (0.057 R)
• M13: 2,817,377 km (0.071 R)
• M14: 3,031,451 km (0.087 R)
• M15: 3,232,212 km (0.081 R)
• M16: 3,343,662 km (0.098 R)
• M17: 3,437,609 km (0.077 R)
• M18: 3,532,305 km (0.085 R)
• M19: 3,647,196 km (0.083 R)
• M20: 3,900,316 km (0.114 R)
• M21: 4,179,465 km (0.028 R)
• M22: 4,485,692 km (0.055 R)
• M23: 4,715,026 km (0.12 R)
• M24: 4,862,978 km (0.099 R)
• M25: 6,660,396 km (0.04 R)
• M26: 7,066,405 km (0.063 R)
• M27: 7,678,260 km (0.101 R)
• M28: 7,902,657 km (0.109 R)
• M29: 8,180,012 km (0.114 R)
• M30: 8,770,026 km (0.096 R)
• M31: 8,900,176 km (0.053 R)
• M32: 9,083,284 km (0.113 R)
• M33: 9,400,281 km (0.105 R)
• M34: 9,560,202 km (0.109 R)
• M35: 9,694,241 km (0.08 R)
• M36: 10,154,255 km (0.084 R)
• M37: 10,236,085 km (0.075 R)
• M38: 10,318,214 km (0.108 R)
• M39: 10,760,126 km (0.112 R)
• M40: 11,462,937 km (0.052 R)
• M41: 11,834,239 km (0.099 R)
• M42: 12,267,624 km (0.096 R)
• M43: 12,442,354 km (0.083 R)
• M44: 12,588,661 km (0.042 R)
• M45: 12,735,566 km (0.117 R)
• M46: 12,971,781 km (0.089 R)
• M47: 13,031,022 km (0.092 R)
• M48: 13,120,182 km (0.104 R)
• M49: 13,298,952 km (0.057 R)
• M50: 13,628,815 km (0.067 R)
• M51: 13,809,828 km (0.032 R)
• M52: 14,144,030 km (0.119 R)
• M53: 14,851,029 km (0.064 R)
• M54: 14,913,113 km (0.12 R)
• M55: 15,130,927 km (0.111 R)
• M56: 15,287,107 km (0.099 R)
• M57: 15,790,654 km (0.073 R)
• M58: 16,076,236 km (0.101 R)
• M59: 17,431,593 km (0.026 R)
• M60: 17,891,606 km (0.063 R)
• M61: 17,990,640 km (0.111 R)
• M62: 18,288,938 km (0.059 R)
• M63: 18,522,161 km (0.082 R)
• M64: 18,856,961 km (0.063 R)
• M65: 19,329,092 km (0.113 R)
• M66: 19,566,653 km (0.051 R)
• M67: 19,668,679 km (0.112 R)
• M68: 19,941,845 km (0.064 R)
• M69: 20,457,359 km (0.091 R)
• M70: 20,560,881 km (0.088 R)
• M71: 20,630,145 km (0.111 R)
• M72: 20,733,966 km (0.054 R)
• M73: 20,907,649 km (0.094 R)
• M74: 21,046,775 km (0.088 R)
• M75: 21,256,212 km (0.107 R)
• M76: 21,571,564 km (0.091 R)
• M77: 21,641,875 km (0.112 R)
• M78: 21,782,796 km (0.098 R)
• M79: 23,207,716 km (0.099 R)
• M80: 23,424,184 km (0.071 R)
• M81: 23,931,620 km (0.108 R)
• M82: 24,552,601 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.4

Radius: 5.5

Gravity: 16.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 12.71 AU - 16.51 AU

Year: 20001 Days

Day: 22 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 69,027,600 km

• M1: 324,777 km (0.037 R)
• M2: 771,027 km (0.114 R)
• M3: 1,031,627 km (0.102 R)
• M4: 1,345,483 km (0.057 R)
• M5: 1,868,627 km (0.099 R)
• M6: 2,381,149 km (0.078 R)
• M7: 2,653,118 km (0.084 R)
• M8: 2,828,148 km (0.061 R)
• M9: 3,115,974 km (0.084 R)
• M10: 3,189,427 km (0.117 R)
• M11: 3,642,110 km (0.116 R)
• M12: 4,358,235 km (0.074 R)
• M13: 4,440,514 km (0.106 R)
• M14: 5,290,828 km (0.096 R)
• M15: 5,689,656 km (0.086 R)
• M16: 6,143,985 km (0.118 R)
• M17: 6,469,061 km (0.085 R)
• M18: 6,515,885 km (0.057 R)
• M19: 7,774,302 km (0.116 R)
• M20: 7,824,118 km (0.099 R)
• M21: 8,024,729 km (0.085 R)
• M22: 8,688,345 km (0.1 R)
• M23: 9,052,915 km (0.088 R)
• M24: 9,635,748 km (0.055 R)
• M25: 10,505,211 km (0.108 R)
• M26: 11,286,411 km (0.082 R)
• M27: 12,201,950 km (0.088 R)
• M28: 12,376,232 km (0.107 R)
• M29: 12,845,072 km (0.05 R)
• M30: 12,963,104 km (0.065 R)
• M31: 13,439,274 km (0.114 R)
• M32: 14,164,076 km (0.098 R)
• M33: 15,714,508 km (0.104 R)
• M34: 15,840,919 km (0.057 R)
• M35: 16,158,216 km (0.093 R)
• M36: 16,285,673 km (0.09 R)
• M37: 16,670,289 km (0.055 R)
• M38: 19,989,567 km (0.034 R)
• M39: 21,793,567 km (0.114 R)
• M40: 23,576,774 km (0.117 R)
• M41: 24,815,744 km (0.098 R)
• M42: 26,300,353 km (0.119 R)
• M43: 26,902,185 km (0.098 R)
• M44: 27,813,535 km (0.094 R)
• M45: 27,889,980 km (0.094 R)
• M46: 28,349,844 km (0.116 R)
• M47: 28,657,716 km (0.114 R)
• M48: 29,121,769 km (0.1 R)
• M49: 30,765,401 km (0.052 R)
• M50: 31,797,775 km (0.079 R)
• M51: 33,164,950 km (0.105 R)
• M52: 33,652,041 km (0.112 R)
• M53: 34,059,845 km (0.091 R)
• M54: 34,880,240 km (0.1 R)
• M55: 36,540,327 km (0.114 R)
• M56: 37,127,499 km (0.1 R)
• M57: 37,380,020 km (0.105 R)
• M58: 38,310,968 km (0.052 R)
• M59: 39,249,694 km (0.101 R)
• M60: 40,455,154 km (0.069 R)
• M61: 40,975,605 km (0.111 R)
• M62: 41,585,515 km (0.042 R)
• M63: 42,110,604 km (0.056 R)
• M64: 43,255,925 km (0.066 R)
• M65: 43,521,761 km (0.099 R)
• M66: 44,054,927 km (0.12 R)
• M67: 44,858,717 km (0.065 R)
• M68: 46,118,630 km (0.105 R)
• M69: 46,480,806 km (0.103 R)
• M70: 47,207,852 km (0.055 R)
• M71: 48,857,468 km (0.097 R)
• M72: 48,949,770 km (0.081 R)
• M73: 49,319,127 km (0.05 R)
• M74: 50,805,830 km (0.108 R)
• M75: 53,347,947 km (0.083 R)
• M76: 54,109,101 km (0.107 R)
• M77: 54,586,617 km (0.109 R)
• M78: 55,738,371 km (0.083 R)
• M79: 56,317,315 km (0.108 R)
• M80: 56,413,955 km (0.107 R)
• M81: 57,286,410 km (0.113 R)
• M82: 58,065,815 km (0.04 R)
• M83: 58,652,688 km (0.072 R)
• M84: 59,930,852 km (0.06 R)
• M85: 60,029,586 km (0.106 R)
• M86: 60,128,321 km (0.074 R)
• M87: 60,325,940 km (0.104 R)
• M88: 60,920,292 km (0.118 R)
• M89: 61,915,118 km (0.091 R)
• M90: 62,314,544 km (0.107 R)
• M91: 65,642,498 km (0.1 R)
• M92: 66,866,807 km (0.062 R)
• M93: 67,481,804 km (0.062 R)
• M94: 68,201,819 km (0.09 R)
• M95: 69,027,599 km (0.068 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit