🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 11.2

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.9 AU - 3.18 AU

Year: 2348 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,820,958 km

• M1: 139,276 km (0.035 R)
• M2: 493,224 km (0.059 R)
• M3: 885,171 km (0.076 R)
• M4: 1,503,159 km (0.115 R)
• M5: 2,543,313 km (0.089 R)
• M6: 3,361,015 km (0.077 R)
• M7: 3,822,226 km (0.095 R)
• M8: 4,305,427 km (0.075 R)
• M9: 4,656,982 km (0.09 R)
• M10: 5,027,835 km (0.09 R)
• M11: 5,394,948 km (0.103 R)
• M12: 6,080,705 km (0.11 R)
• M13: 6,741,179 km (0.078 R)
• M14: 8,619,081 km (0.034 R)
• M15: 9,350,166 km (0.117 R)
• M16: 10,050,434 km (0.081 R)
• M17: 10,785,109 km (0.103 R)
• M18: 11,833,491 km (0.113 R)
• M19: 13,076,499 km (0.106 R)
• M20: 16,263,233 km (0.068 R)
• M21: 17,018,852 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 8.3

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.33 AU - 3.73 AU

Year: 2938 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,820,958 km

• M1: 103,971 km (0.084 R)
• M2: 596,447 km (0.083 R)
• M3: 927,956 km (0.112 R)
• M4: 1,242,410 km (0.104 R)
• M5: 1,940,883 km (0.086 R)
• M6: 3,285,618 km (0.065 R)
• M7: 3,730,821 km (0.104 R)
• M8: 4,132,043 km (0.118 R)
• M9: 5,952,050 km (0.115 R)
• M10: 7,203,586 km (0.091 R)
• M11: 7,604,808 km (0.065 R)
• M12: 9,003,847 km (0.101 R)
• M13: 13,653,947 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 9.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.06 AU - 6.18 AU

Year: 5901 Days

Day: 14.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,820,958 km

• M1: 127,009 km (0.041 R)
• M2: 817,403 km (0.112 R)
• M3: 1,674,599 km (0.07 R)
• M4: 2,500,977 km (0.117 R)
• M5: 2,849,839 km (0.107 R)
• M6: 4,323,678 km (0.071 R)
• M7: 6,055,423 km (0.102 R)
• M8: 6,552,237 km (0.118 R)
• M9: 7,112,032 km (0.091 R)
• M10: 10,731,104 km (0.097 R)
• M11: 11,912,329 km (0.105 R)
• M12: 12,640,272 km (0.115 R)
• M13: 14,242,316 km (0.088 R)
• M14: 16,037,640 km (0.098 R)
• M15: 16,540,737 km (0.094 R)
• M16: 17,184,607 km (0.116 R)
• M17: 19,006,260 km (0.116 R)
• M18: 23,268,602 km (0.039 R)
• M19: 25,408,899 km (0.1 R)
• M20: 26,701,724 km (0.08 R)
• M21: 27,142,140 km (0.11 R)
• M22: 27,498,033 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.3

Radius: 13.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.31 AU - 6.41 AU

Year: 6283 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 157.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,820,958 km

• M1: 164,707 km (0.09 R)
• M2: 738,714 km (0.093 R)
• M3: 1,357,900 km (0.055 R)
• M4: 2,282,564 km (0.062 R)
• M5: 3,163,995 km (0.063 R)
• M6: 3,632,835 km (0.083 R)
• M7: 6,110,923 km (0.103 R)
• M8: 7,363,506 km (0.101 R)
• M9: 10,541,863 km (0.064 R)
• M10: 16,470,576 km (0.081 R)
• M11: 18,380,193 km (0.104 R)
• M12: 20,633,286 km (0.082 R)
• M13: 22,849,280 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 12.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.1 AU - 6.96 AU

Year: 6559 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,820,958 km

• M1: 151,692 km (0.072 R)
• M2: 559,945 km (0.072 R)
• M3: 997,818 km (0.096 R)
• M4: 1,721,423 km (0.106 R)
• M5: 3,479,048 km (0.057 R)
• M6: 4,351,952 km (0.109 R)
• M7: 7,361,113 km (0.109 R)
• M8: 11,639,163 km (0.114 R)
• M9: 16,019,838 km (0.038 R)
• M10: 17,405,114 km (0.093 R)
• M11: 18,158,788 km (0.11 R)
• M12: 20,620,122 km (0.05 R)
• M13: 26,605,383 km (0.03 R)
• M14: 28,200,545 km (0.108 R)
• M15: 29,152,735 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.7

Radius: 5.5

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.82 AU - 14.28 AU

Year: 17386 Days

Day: 21 Hours

Environment

Temp: -201 °C

Axial Tilt: 116.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,820,958 km

• M1: 68,366 km (0.094 R)
• M2: 331,658 km (0.083 R)
• M3: 571,464 km (0.079 R)
• M4: 1,501,364 km (0.077 R)
• M5: 2,557,226 km (0.079 R)
• M6: 2,776,088 km (0.12 R)
• M7: 3,031,302 km (0.043 R)
• M8: 3,404,249 km (0.107 R)
• M9: 4,006,231 km (0.062 R)
• M10: 4,805,832 km (0.082 R)
• M11: 7,176,808 km (0.096 R)
• M12: 7,613,634 km (0.115 R)
• M13: 10,284,704 km (0.114 R)
• M14: 13,918,436 km (0.101 R)
• M15: 16,465,190 km (0.042 R)
• M16: 16,994,169 km (0.105 R)
• M17: 18,648,721 km (0.069 R)
• M18: 19,556,930 km (0.112 R)
• M19: 20,407,842 km (0.061 R)
• M20: 23,202,480 km (0.054 R)
• M21: 24,936,768 km (0.032 R)
• M22: 32,858,724 km (0.105 R)
• M23: 35,539,218 km (0.108 R)
• M24: 40,506,167 km (0.12 R)
• M25: 42,446,900 km (0.107 R)
• M26: 43,297,214 km (0.108 R)
• M27: 50,989,237 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.8

Radius: 5.7

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 12.88 AU - 12.96 AU

Year: 20570 Days

Day: 23.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,820,958 km

• M1: 70,909 km (0.077 R)
• M2: 334,501 km (0.105 R)
• M3: 634,594 km (0.087 R)
• M4: 933,640 km (0.071 R)
• M5: 1,901,987 km (0.077 R)
• M6: 2,199,388 km (0.118 R)
• M7: 2,794,339 km (0.108 R)
• M8: 3,879,970 km (0.098 R)
• M9: 4,175,127 km (0.062 R)
• M10: 4,613,299 km (0.103 R)
• M11: 5,256,570 km (0.113 R)
• M12: 5,655,248 km (0.062 R)
• M13: 8,483,246 km (0.067 R)
• M14: 8,829,566 km (0.086 R)
• M15: 9,709,949 km (0.096 R)
• M16: 10,477,835 km (0.08 R)
• M17: 11,285,514 km (0.09 R)
• M18: 11,643,950 km (0.109 R)
• M19: 12,510,122 km (0.085 R)
• M20: 16,330,253 km (0.096 R)
• M21: 16,788,920 km (0.059 R)
• M22: 22,043,695 km (0.043 R)
• M23: 25,855,748 km (0.116 R)
• M24: 27,646,734 km (0.049 R)
• M25: 29,070,905 km (0.111 R)
• M26: 32,663,049 km (0.111 R)
• M27: 36,670,178 km (0.1 R)
• M28: 39,062,098 km (0.118 R)
• M29: 40,434,958 km (0.072 R)
• M30: 40,992,958 km (0.111 R)
• M31: 42,267,233 km (0.113 R)
• M32: 46,552,763 km (0.114 R)
• M33: 47,939,386 km (0.099 R)
• M34: 49,830,901 km (0.106 R)
• M35: 52,264,410 km (0.087 R)
• M36: 54,267,226 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.1

Radius: 4.7

Gravity: 28.93 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 15.53 AU - 15.79 AU

Year: 27449 Days

Day: 22.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,820,958 km

• M1: 58,493 km (0.104 R)
• M2: 246,388 km (0.093 R)
• M3: 550,221 km (0.108 R)
• M4: 996,172 km (0.067 R)
• M5: 1,219,223 km (0.097 R)
• M6: 2,138,202 km (0.079 R)
• M7: 2,560,966 km (0.082 R)
• M8: 5,054,014 km (0.082 R)
• M9: 5,254,326 km (0.088 R)
• M10: 5,843,592 km (0.115 R)
• M11: 8,645,261 km (0.104 R)
• M12: 8,816,700 km (0.076 R)
• M13: 9,524,896 km (0.068 R)
• M14: 11,460,094 km (0.094 R)
• M15: 12,088,256 km (0.077 R)
• M16: 15,408,880 km (0.102 R)
• M17: 16,259,942 km (0.11 R)
• M18: 20,177,910 km (0.073 R)
• M19: 20,886,855 km (0.108 R)
• M20: 21,612,105 km (0.081 R)
• M21: 22,033,971 km (0.111 R)
• M22: 26,320,100 km (0.107 R)
• M23: 26,801,207 km (0.107 R)
• M24: 28,531,306 km (0.076 R)
• M25: 33,040,186 km (0.114 R)
• M26: 35,027,145 km (0.096 R)
• M27: 39,081,247 km (0.11 R)
• M28: 44,108,932 km (0.108 R)
• M29: 45,472,966 km (0.069 R)
• M30: 56,015,277 km (0.109 R)
• M31: 57,010,851 km (0.064 R)
• M32: 59,654,694 km (0.059 R)
• M33: 67,176,475 km (0.098 R)
• M34: 85,633,860 km (0.075 R)
• M35: 86,689,273 km (0.078 R)
• M36: 87,220,196 km (0.105 R)
• M37: 87,486,480 km (0.065 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 10,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit