🌌 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: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.58 AU - 0.9 AU

Year: 235 Days

Day: 29.3 Hours

Environment

Temp: 96 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.24 AU - 1.44 AU

Year: 572 Days

Day: 33.5 Hours

Environment

Temp: -24 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,112,328 km

• M1: 30,817 km (0.091 R)
• M2: 276,457 km (0.049 R)

Planet 3 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.5

Radius: 7.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 14.55 AU - 19.13 AU

Year: 25497 Days

Day: 22 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 85,112,328 km

• M1: 94,097 km (0.099 R)
• M2: 185,801 km (0.111 R)
• M3: 244,892 km (0.096 R)
• M4: 437,424 km (0.066 R)
• M5: 656,286 km (0.046 R)
• M6: 1,444,068 km (0.116 R)
• M7: 1,772,136 km (0.049 R)
• M8: 2,821,715 km (0.082 R)
• M9: 3,265,722 km (0.093 R)
• M10: 3,371,338 km (0.114 R)
• M11: 3,768,221 km (0.1 R)
• M12: 4,527,430 km (0.078 R)
• M13: 4,924,612 km (0.042 R)
• M14: 5,922,580 km (0.042 R)
• M15: 7,485,728 km (0.09 R)
• M16: 7,907,295 km (0.075 R)
• M17: 8,097,134 km (0.117 R)
• M18: 8,240,449 km (0.09 R)
• M19: 9,118,289 km (0.098 R)
• M20: 9,719,972 km (0.086 R)
• M21: 10,076,763 km (0.081 R)
• M22: 10,128,225 km (0.071 R)
• M23: 10,231,148 km (0.06 R)
• M24: 10,334,371 km (0.043 R)
• M25: 10,386,131 km (0.101 R)
• M26: 11,014,143 km (0.076 R)
• M27: 11,654,422 km (0.088 R)
• M28: 11,979,199 km (0.092 R)
• M29: 12,142,560 km (0.108 R)
• M30: 12,251,916 km (0.062 R)
• M31: 12,748,282 km (0.064 R)
• M32: 12,859,433 km (0.113 R)
• M33: 13,307,329 km (0.08 R)
• M34: 13,988,897 km (0.092 R)
• M35: 14,218,679 km (0.1 R)
• M36: 14,915,207 km (0.092 R)
• M37: 15,801,425 km (0.087 R)
• M38: 15,980,793 km (0.086 R)
• M39: 16,583,373 km (0.109 R)
• M40: 17,810,674 km (0.051 R)
• M41: 17,997,372 km (0.036 R)
• M42: 19,258,033 km (0.103 R)
• M43: 19,834,583 km (0.118 R)
• M44: 20,612,043 km (0.072 R)
• M45: 20,677,268 km (0.076 R)
• M46: 22,464,813 km (0.031 R)
• M47: 22,531,982 km (0.079 R)
• M48: 22,666,471 km (0.091 R)
• M49: 24,094,831 km (0.11 R)
• M50: 25,063,178 km (0.099 R)
• M51: 26,256,072 km (0.041 R)
• M52: 26,752,587 km (0.097 R)
• M53: 27,109,229 km (0.089 R)
• M54: 27,682,936 km (0.067 R)
• M55: 27,827,149 km (0.104 R)
• M56: 29,208,236 km (0.079 R)
• M57: 29,281,539 km (0.084 R)
• M58: 30,685,964 km (0.06 R)
• M59: 32,871,739 km (0.118 R)
• M60: 33,330,106 km (0.114 R)
• M61: 35,810,738 km (0.049 R)
• M62: 36,282,420 km (0.108 R)
• M63: 36,993,908 km (0.034 R)
• M64: 37,630,148 km (0.107 R)
• M65: 37,709,883 km (0.111 R)
• M66: 37,949,539 km (0.071 R)
• M67: 38,994,031 km (0.106 R)
• M68: 39,317,462 km (0.109 R)
• M69: 40,455,902 km (0.106 R)
• M70: 40,619,412 km (0.047 R)
• M71: 40,947,181 km (0.11 R)
• M72: 42,018,302 km (0.041 R)
• M73: 42,266,784 km (0.111 R)
• M74: 43,265,649 km (0.113 R)
• M75: 43,600,299 km (0.108 R)
• M76: 43,684,074 km (0.047 R)
• M77: 43,935,847 km (0.098 R)
• M78: 44,778,383 km (0.092 R)
• M79: 44,947,578 km (0.102 R)
• M80: 46,565,180 km (0.075 R)
• M81: 46,994,077 km (0.112 R)
• M82: 50,383,665 km (0.12 R)
• M83: 52,597,714 km (0.098 R)
• M84: 52,954,953 km (0.072 R)
• M85: 56,023,355 km (0.096 R)
• M86: 56,205,566 km (0.118 R)
• M87: 56,479,330 km (0.119 R)
• M88: 56,845,096 km (0.112 R)
• M89: 57,671,026 km (0.038 R)
• M90: 60,078,954 km (0.108 R)
• M91: 60,639,198 km (0.055 R)
• M92: 61,577,027 km (0.106 R)
• M93: 61,670,974 km (0.111 R)
• M94: 62,425,097 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.4

Radius: 4.2

Gravity: 32 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 14.56 AU - 19.62 AU

Year: 26067 Days

Day: 21.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 85,112,328 km

• M1: 91,703 km (0.053 R)
• M2: 208,539 km (0.095 R)
• M3: 240,703 km (0.115 R)
• M4: 292,763 km (0.086 R)
• M5: 472,280 km (0.049 R)
• M6: 562,189 km (0.086 R)
• M7: 810,671 km (0.027 R)
• M8: 1,179,430 km (0.083 R)
• M9: 1,905,129 km (0.106 R)
• M10: 2,013,139 km (0.114 R)
• M11: 2,086,142 km (0.068 R)
• M12: 2,387,283 km (0.086 R)
• M13: 2,503,670 km (0.075 R)
• M14: 3,766,426 km (0.097 R)
• M15: 4,131,594 km (0.109 R)
• M16: 4,846,223 km (0.098 R)
• M17: 5,394,350 km (0.089 R)
• M18: 5,701,474 km (0.074 R)
• M19: 6,386,333 km (0.117 R)
• M20: 6,985,921 km (0.048 R)
• M21: 7,152,573 km (0.117 R)
• M22: 8,650,646 km (0.086 R)
• M23: 9,190,994 km (0.071 R)
• M24: 10,684,729 km (0.068 R)
• M25: 10,940,990 km (0.072 R)
• M26: 11,655,918 km (0.118 R)
• M27: 12,654,933 km (0.067 R)
• M28: 13,062,138 km (0.073 R)
• M29: 13,889,564 km (0.077 R)
• M30: 14,379,946 km (0.073 R)
• M31: 15,305,657 km (0.117 R)
• M32: 16,030,758 km (0.085 R)
• M33: 16,915,630 km (0.106 R)
• M34: 17,439,073 km (0.115 R)
• M35: 17,514,320 km (0.044 R)
• M36: 17,589,568 km (0.07 R)
• M37: 18,348,777 km (0.116 R)
• M38: 18,963,624 km (0.079 R)
• M39: 19,196,100 km (0.097 R)
• M40: 20,292,802 km (0.048 R)
• M41: 22,464,663 km (0.105 R)
• M42: 23,786,061 km (0.087 R)
• M43: 25,302,535 km (0.084 R)
• M44: 25,472,927 km (0.061 R)
• M45: 25,643,768 km (0.106 R)
• M46: 26,072,366 km (0.1 R)
• M47: 26,763,209 km (0.07 R)
• M48: 26,936,742 km (0.117 R)
• M49: 27,372,521 km (0.096 R)
• M50: 30,306,135 km (0.084 R)
• M51: 30,487,148 km (0.089 R)
• M52: 30,759,267 km (0.109 R)
• M53: 31,580,559 km (0.096 R)
• M54: 31,763,966 km (0.043 R)
• M55: 33,058,287 km (0.077 R)
• M56: 34,087,221 km (0.099 R)
• M57: 34,369,662 km (0.052 R)
• M58: 34,936,937 km (0.055 R)
• M59: 35,602,498 km (0.095 R)
• M60: 35,984,870 km (0.037 R)
• M61: 36,560,822 km (0.051 R)
• M62: 38,796,562 km (0.12 R)
• M63: 38,993,134 km (0.109 R)
• M64: 39,782,412 km (0.09 R)
• M65: 41,376,826 km (0.053 R)
• M66: 42,383,919 km (0.074 R)
• M67: 45,867,754 km (0.08 R)
• M68: 46,075,546 km (0.048 R)
• M69: 47,959,581 km (0.093 R)
• M70: 50,082,375 km (0.045 R)
• M71: 50,832,459 km (0.103 R)
• M72: 52,343,996 km (0.105 R)
• M73: 56,297,867 km (0.12 R)
• M74: 57,077,721 km (0.078 R)
• M75: 57,189,471 km (0.115 R)
• M76: 58,085,712 km (0.098 R)
• M77: 60,574,272 km (0.101 R)
• M78: 61,030,396 km (0.108 R)
• M79: 61,487,717 km (0.108 R)
• M80: 61,602,309 km (0.116 R)
• M81: 62,520,989 km (0.061 R)
• M82: 63,212,879 km (0.045 R)
• M83: 65,070,436 km (0.074 R)
• M84: 66,006,021 km (0.12 R)
• M85: 68,482,764 km (0.081 R)
• M86: 70,509,964 km (0.071 R)
• M87: 71,711,684 km (0.071 R)
• M88: 76,093,256 km (0.104 R)
• M89: 76,585,433 km (0.03 R)
• M90: 76,955,239 km (0.103 R)
• M91: 77,696,646 km (0.075 R)
• M92: 77,820,513 km (0.039 R)
• M93: 80,310,271 km (0.112 R)
• M94: 82,068,644 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 15,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit