🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.62 AU - 0.84 AU

Year: 220 Days

Day: 12.5 Hours

Environment

Temp: 180 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,281,890 km

• M1: 42,785 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.68 AU - 0.94 AU

Year: 257 Days

Day: 47.1 Hours

Environment

Temp: 201 °C

Axial Tilt: 18.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,281,890 km

• M1: 220,058 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.78 AU - 2.12 AU

Year: 962 Days

Day: 12.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 10.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.38 AU - 6.46 AU

Year: 4456 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 100,281,890 km

• M1: 132,544 km (0.119 R)
• M2: 217,665 km (0.028 R)
• M3: 299,944 km (0.04 R)
• M4: 432,039 km (0.066 R)
• M5: 577,747 km (0.105 R)
• M6: 720,164 km (0.115 R)
• M7: 863,629 km (0.05 R)
• M8: 945,159 km (0.092 R)
• M9: 1,103,883 km (0.056 R)
• M10: 1,285,195 km (0.1 R)
• M11: 1,546,992 km (0.082 R)
• M12: 1,647,821 km (0.118 R)
• M13: 1,780,963 km (0.082 R)
• M14: 2,299,618 km (0.104 R)
• M15: 2,810,645 km (0.115 R)
• M16: 3,375,078 km (0.071 R)
• M17: 3,641,511 km (0.096 R)
• M18: 3,738,451 km (0.091 R)
• M19: 3,816,541 km (0.028 R)
• M20: 4,034,206 km (0.115 R)
• M21: 4,134,586 km (0.088 R)
• M22: 4,256,059 km (0.09 R)
• M23: 4,461,158 km (0.094 R)
• M24: 4,606,717 km (0.057 R)
• M25: 4,881,379 km (0.08 R)
• M26: 5,009,883 km (0.086 R)
• M27: 5,117,893 km (0.073 R)
• M28: 5,647,170 km (0.103 R)
• M29: 6,101,648 km (0.077 R)
• M30: 6,497,185 km (0.114 R)
• M31: 6,829,292 km (0.091 R)
• M32: 7,559,480 km (0.104 R)
• M33: 7,883,658 km (0.062 R)
• M34: 7,984,338 km (0.108 R)
• M35: 8,212,474 km (0.043 R)
• M36: 8,545,629 km (0.072 R)
• M37: 8,805,031 km (0.117 R)
• M38: 8,909,600 km (0.064 R)
• M39: 9,040,798 km (0.116 R)
• M40: 9,706,508 km (0.089 R)
• M41: 10,387,927 km (0.114 R)
• M42: 10,553,831 km (0.119 R)
• M43: 11,367,942 km (0.053 R)
• M44: 11,453,213 km (0.038 R)
• M45: 11,825,712 km (0.12 R)
• M46: 12,027,818 km (0.12 R)
• M47: 12,788,972 km (0.112 R)
• M48: 12,966,844 km (0.091 R)
• M49: 14,945,575 km (0.106 R)
• M50: 16,113,486 km (0.113 R)
• M51: 16,563,177 km (0.115 R)
• M52: 16,757,056 km (0.068 R)
• M53: 17,277,956 km (0.049 R)
• M54: 17,573,262 km (0.101 R)
• M55: 17,837,153 km (0.044 R)
• M56: 18,002,757 km (0.102 R)
• M57: 18,268,892 km (0.11 R)
• M58: 18,536,223 km (0.079 R)
• M59: 19,687,080 km (0.109 R)
• M60: 19,823,962 km (0.109 R)
• M61: 20,305,667 km (0.082 R)
• M62: 20,374,781 km (0.035 R)
• M63: 20,478,602 km (0.078 R)
• M64: 20,582,573 km (0.12 R)
• M65: 20,652,136 km (0.107 R)
• M66: 20,756,405 km (0.116 R)
• M67: 20,825,968 km (0.063 R)
• M68: 20,930,687 km (0.065 R)
• M69: 21,000,399 km (0.113 R)
• M70: 21,844,580 km (0.068 R)
• M71: 21,986,249 km (0.027 R)
• M72: 22,413,351 km (0.029 R)
• M73: 22,663,778 km (0.053 R)
• M74: 22,735,585 km (0.078 R)
• M75: 23,565,704 km (0.058 R)
• M76: 23,711,113 km (0.044 R)
• M77: 24,479,448 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.6

Radius: 6

Gravity: 24.91 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 15.78 AU - 19.76 AU

Year: 26450 Days

Day: 16.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 100,281,890 km

• M1: 160,219 km (0.117 R)
• M2: 379,530 km (0.07 R)
• M3: 1,063,192 km (0.098 R)
• M4: 1,851,573 km (0.114 R)
• M5: 1,930,411 km (0.099 R)
• M6: 2,132,817 km (0.09 R)
• M7: 2,299,618 km (0.074 R)
• M8: 2,427,674 km (0.107 R)
• M9: 2,870,933 km (0.115 R)
• M10: 3,148,886 km (0.063 R)
• M11: 3,291,153 km (0.116 R)
• M12: 4,825,878 km (0.101 R)
• M13: 5,780,163 km (0.088 R)
• M14: 8,048,216 km (0.078 R)
• M15: 8,439,265 km (0.082 R)
• M16: 9,856,106 km (0.096 R)
• M17: 10,064,346 km (0.058 R)
• M18: 10,912,267 km (0.038 R)
• M19: 11,563,167 km (0.082 R)
• M20: 12,675,727 km (0.08 R)
• M21: 13,054,209 km (0.035 R)
• M22: 13,513,176 km (0.097 R)
• M23: 14,525,654 km (0.107 R)
• M24: 15,562,367 km (0.089 R)
• M25: 15,723,933 km (0.053 R)
• M26: 16,130,390 km (0.104 R)
• M27: 21,091,205 km (0.115 R)
• M28: 21,719,367 km (0.091 R)
• M29: 22,444,917 km (0.028 R)
• M30: 22,810,534 km (0.113 R)
• M31: 23,455,301 km (0.082 R)
• M32: 23,640,652 km (0.069 R)
• M33: 24,574,592 km (0.044 R)
• M34: 24,762,786 km (0.081 R)
• M35: 25,710,937 km (0.072 R)
• M36: 25,806,530 km (0.11 R)
• M37: 28,133,076 km (0.078 R)
• M38: 28,626,301 km (0.064 R)
• M39: 29,421,114 km (0.099 R)
• M40: 30,122,728 km (0.077 R)
• M41: 30,223,258 km (0.093 R)
• M42: 30,931,155 km (0.111 R)
• M43: 31,032,732 km (0.119 R)
• M44: 31,134,309 km (0.105 R)
• M45: 31,746,613 km (0.093 R)
• M46: 32,569,252 km (0.057 R)
• M47: 33,503,042 km (0.071 R)
• M48: 34,340,490 km (0.112 R)
• M49: 36,464,032 km (0.103 R)
• M50: 36,571,443 km (0.105 R)
• M51: 36,678,855 km (0.105 R)
• M52: 37,650,044 km (0.1 R)
• M53: 39,507,750 km (0.096 R)
• M54: 42,067,968 km (0.111 R)
• M55: 43,084,486 km (0.07 R)
• M56: 46,414,086 km (0.106 R)
• M57: 46,646,710 km (0.118 R)
• M58: 47,113,306 km (0.089 R)
• M59: 48,876,317 km (0.104 R)
• M60: 48,994,649 km (0.099 R)
• M61: 53,195,058 km (0.103 R)
• M62: 55,770,086 km (0.077 R)
• M63: 58,009,267 km (0.101 R)
• M64: 59,644,671 km (0.074 R)
• M65: 61,040,419 km (0.025 R)
• M66: 61,678,305 km (0.117 R)
• M67: 62,575,144 km (0.088 R)
• M68: 64,381,688 km (0.089 R)
• M69: 65,943,789 km (0.1 R)
• M70: 66,467,232 km (0.082 R)
• M71: 67,386,510 km (0.091 R)
• M72: 68,707,310 km (0.108 R)
• M73: 69,903,195 km (0.037 R)
• M74: 70,838,033 km (0.084 R)
• M75: 71,105,962 km (0.069 R)
• M76: 72,046,185 km (0.102 R)
• M77: 72,585,336 km (0.104 R)
• M78: 73,261,069 km (0.116 R)
• M79: 76,533,672 km (0.114 R)
• M80: 76,946,114 km (0.094 R)
• M81: 78,049,547 km (0.067 R)
• M82: 78,326,154 km (0.057 R)
• M83: 83,927,697 km (0.036 R)
• M84: 84,211,035 km (0.112 R)
• M85: 84,352,854 km (0.089 R)
• M86: 84,921,026 km (0.049 R)
• M87: 86,061,261 km (0.078 R)
• M88: 86,204,127 km (0.074 R)
• M89: 88,068,715 km (0.107 R)
• M90: 89,078,202 km (0.041 R)
• M91: 91,837,385 km (0.117 R)
• M92: 92,714,627 km (0.097 R)
• M93: 94,182,780 km (0.117 R)
• M94: 96,993,275 km (0.093 R)
• M95: 100,281,885 km (0.094 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 13,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit