🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 11

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.94 AU - 1.34 AU

Year: 812 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,081,615 km

• M1: 141,968 km (0.057 R)
• M2: 501,901 km (0.082 R)
• M3: 1,708,707 km (0.084 R)
• M4: 2,234,394 km (0.066 R)
• M5: 3,203,638 km (0.078 R)
• M6: 3,553,997 km (0.063 R)
• M7: 3,992,618 km (0.107 R)
• M8: 4,518,454 km (0.07 R)
• M9: 4,997,766 km (0.102 R)
• M10: 6,142,638 km (0.101 R)
• M11: 6,553,434 km (0.039 R)
• M12: 7,406,441 km (0.052 R)
• M13: 8,125,558 km (0.094 R)
• M14: 9,587,877 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 15

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.46 AU - 1.84 AU

Year: 1413 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,081,615 km

• M1: 187,297 km (0.12 R)
• M2: 737,667 km (0.116 R)
• M3: 1,250,339 km (0.051 R)
• M4: 1,757,177 km (0.068 R)
• M5: 2,889,932 km (0.115 R)
• M6: 3,931,582 km (0.113 R)
• M7: 4,521,895 km (0.059 R)
• M8: 5,581,796 km (0.081 R)
• M9: 6,610,431 km (0.049 R)
• M10: 7,145,542 km (0.066 R)
• M11: 8,782,741 km (0.096 R)
• M12: 10,823,256 km (0.117 R)
• M13: 11,328,000 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 13.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.58 AU - 1.9 AU

Year: 1531 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,081,615 km

• M1: 169,046 km (0.095 R)
• M2: 592,108 km (0.069 R)
• M3: 1,615,059 km (0.068 R)
• M4: 2,281,368 km (0.095 R)
• M5: 2,844,005 km (0.091 R)
• M6: 3,498,346 km (0.099 R)
• M7: 4,057,693 km (0.092 R)
• M8: 5,166,811 km (0.067 R)
• M9: 5,792,729 km (0.069 R)
• M10: 7,056,532 km (0.074 R)
• M11: 8,081,127 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 8.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.75 AU - 2.79 AU

Year: 3074 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,081,615 km

• M1: 111,600 km (0.072 R)
• M2: 441,314 km (0.113 R)
• M3: 942,467 km (0.116 R)
• M4: 1,773,782 km (0.084 R)
• M5: 2,082,402 km (0.092 R)
• M6: 3,474,111 km (0.111 R)
• M7: 4,606,118 km (0.108 R)
• M8: 5,339,746 km (0.095 R)
• M9: 6,149,071 km (0.051 R)
• M10: 6,962,734 km (0.033 R)
• M11: 7,369,640 km (0.113 R)
• M12: 7,873,486 km (0.112 R)
• M13: 10,811,289 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 9.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3 AU - 4.18 AU

Year: 4536 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,081,615 km

• M1: 126,859 km (0.07 R)
• M2: 505,192 km (0.077 R)
• M3: 864,376 km (0.089 R)
• M4: 1,781,711 km (0.069 R)
• M5: 2,290,194 km (0.062 R)
• M6: 2,909,679 km (0.093 R)
• M7: 3,637,173 km (0.091 R)
• M8: 4,221,802 km (0.11 R)
• M9: 4,637,983 km (0.048 R)
• M10: 5,081,391 km (0.063 R)
• M11: 6,412,962 km (0.033 R)
• M12: 8,430,289 km (0.113 R)
• M13: 10,285,003 km (0.049 R)
• M14: 11,000,081 km (0.109 R)
• M15: 11,328,448 km (0.084 R)
• M16: 11,790,556 km (0.081 R)
• M17: 12,933,185 km (0.108 R)
• M18: 14,684,228 km (0.078 R)
• M19: 16,427,641 km (0.055 R)
• M20: 17,626,818 km (0.113 R)
• M21: 18,190,951 km (0.107 R)
• M22: 19,713,708 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348

Radius: 6.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.96 AU - 6.88 AU

Year: 10848 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,081,615 km

• M1: 87,365 km (0.117 R)
• M2: 340,934 km (0.079 R)
• M3: 595,549 km (0.096 R)
• M4: 1,843,195 km (0.115 R)
• M5: 2,244,866 km (0.116 R)
• M6: 2,703,383 km (0.101 R)
• M7: 3,049,702 km (0.068 R)
• M8: 4,110,949 km (0.097 R)
• M9: 7,666,143 km (0.12 R)
• M10: 8,111,197 km (0.077 R)
• M11: 8,659,174 km (0.102 R)
• M12: 10,257,178 km (0.049 R)
• M13: 12,204,344 km (0.114 R)
• M14: 13,670,702 km (0.099 R)
• M15: 14,752,145 km (0.068 R)
• M16: 15,000,029 km (0.08 R)
• M17: 15,631,930 km (0.12 R)
• M18: 18,337,857 km (0.118 R)
• M19: 19,133,418 km (0.101 R)
• M20: 26,254,426 km (0.111 R)
• M21: 32,810,254 km (0.103 R)
• M22: 34,740,964 km (0.034 R)
• M23: 38,827,529 km (0.114 R)
• M24: 39,063,445 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.7

Radius: 7

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.08 AU - 8.82 AU

Year: 13560 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,081,615 km

• M1: 87,664 km (0.112 R)
• M2: 436,227 km (0.079 R)
• M3: 744,249 km (0.069 R)
• M4: 1,466,957 km (0.065 R)
• M5: 1,865,934 km (0.097 R)
• M6: 2,608,987 km (0.108 R)
• M7: 4,501,849 km (0.103 R)
• M8: 5,133,152 km (0.03 R)
• M9: 5,859,898 km (0.105 R)
• M10: 6,448,566 km (0.112 R)
• M11: 7,743,335 km (0.114 R)
• M12: 8,115,984 km (0.101 R)
• M13: 9,410,155 km (0.078 R)
• M14: 12,847,316 km (0.089 R)
• M15: 13,838,701 km (0.119 R)
• M16: 18,316,763 km (0.085 R)
• M17: 19,485,272 km (0.117 R)
• M18: 20,262,284 km (0.05 R)
• M19: 21,786,088 km (0.058 R)
• M20: 22,435,043 km (0.104 R)
• M21: 25,261,994 km (0.045 R)
• M22: 26,813,474 km (0.056 R)
• M23: 36,431,420 km (0.111 R)
• M24: 38,007,583 km (0.118 R)
• M25: 38,542,844 km (0.039 R)
• M26: 51,630,564 km (0.08 R)
• M27: 57,215,052 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.2

Radius: 6.4

Gravity: 19.61 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.18 AU - 9 AU

Year: 16789 Days

Day: 19.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 57.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,081,615 km

• M1: 79,736 km (0.075 R)
• M2: 808,427 km (0.09 R)
• M3: 1,028,934 km (0.083 R)
• M4: 1,562,849 km (0.092 R)
• M5: 1,837,062 km (0.117 R)
• M6: 2,204,325 km (0.106 R)
• M7: 2,573,383 km (0.088 R)
• M8: 2,858,067 km (0.049 R)
• M9: 3,297,436 km (0.118 R)
• M10: 4,055,149 km (0.091 R)
• M11: 5,325,834 km (0.063 R)
• M12: 5,829,530 km (0.108 R)
• M13: 6,322,006 km (0.067 R)
• M14: 8,266,479 km (0.066 R)
• M15: 8,887,909 km (0.095 R)
• M16: 9,210,143 km (0.079 R)
• M17: 9,651,905 km (0.052 R)
• M18: 9,935,094 km (0.082 R)
• M19: 10,165,624 km (0.117 R)
• M20: 12,806,775 km (0.071 R)
• M21: 13,567,480 km (0.101 R)
• M22: 14,139,243 km (0.072 R)
• M23: 15,639,111 km (0.114 R)
• M24: 20,583,620 km (0.08 R)
• M25: 22,802,755 km (0.103 R)
• M26: 24,963,845 km (0.105 R)
• M27: 27,596,618 km (0.103 R)
• M28: 29,451,034 km (0.069 R)
• M29: 31,883,944 km (0.117 R)
• M30: 34,316,256 km (0.063 R)
• M31: 35,376,456 km (0.052 R)
• M32: 39,402,733 km (0.056 R)
• M33: 39,980,929 km (0.091 R)
• M34: 42,501,952 km (0.075 R)
• M35: 50,357,336 km (0.083 R)
• M36: 61,613,828 km (0.097 R)
• M37: 63,375,642 km (0.088 R)
• M38: 66,386,000 km (0.062 R)
• M39: 71,185,100 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.7

Radius: 3.5

Gravity: 47.4 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.39 AU - 8.79 AU

Year: 16789 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,081,615 km

• M1: 43,683 km (0.072 R)
• M2: 208,240 km (0.081 R)
• M3: 363,672 km (0.04 R)
• M4: 1,449,304 km (0.114 R)
• M5: 1,605,335 km (0.119 R)
• M6: 2,007,155 km (0.104 R)
• M7: 2,141,942 km (0.118 R)
• M8: 3,056,284 km (0.03 R)
• M9: 4,890,354 km (0.037 R)
• M10: 5,029,181 km (0.036 R)
• M11: 18,538,019 km (0.112 R)
• M12: 19,913,870 km (0.118 R)
• M13: 25,888,211 km (0.074 R)
• M14: 26,629,618 km (0.034 R)
• M15: 35,871,325 km (0.077 R)
• M16: 43,535,075 km (0.114 R)
• M17: 44,431,764 km (0.097 R)
• M18: 45,493,460 km (0.083 R)
• M19: 46,261,945 km (0.117 R)
• M20: 52,053,028 km (0.113 R)
• M21: 52,893,768 km (0.057 R)
• M22: 58,128,646 km (0.047 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: 207 - 18,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit