🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 13.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.15 AU - 1.77 AU

Year: 1218 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,004,636 km

• M1: 172,935 km (0.063 R)
• M2: 646,412 km (0.107 R)
• M3: 1,154,896 km (0.107 R)
• M4: 1,600,996 km (0.083 R)
• M5: 2,075,371 km (0.111 R)
• M6: 2,603,003 km (0.07 R)
• M7: 3,342,465 km (0.106 R)
• M8: 3,796,495 km (0.112 R)
• M9: 4,321,434 km (0.033 R)
• M10: 4,862,679 km (0.069 R)
• M11: 5,589,425 km (0.078 R)
• M12: 6,348,934 km (0.102 R)
• M13: 7,092,585 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 9.4

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.27 AU - 1.91 AU

Year: 1384 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,004,636 km

• M1: 116,986 km (0.06 R)
• M2: 414,835 km (0.086 R)
• M3: 732,880 km (0.072 R)
• M4: 1,028,635 km (0.113 R)
• M5: 1,389,764 km (0.035 R)
• M6: 1,745,209 km (0.05 R)
• M7: 2,314,129 km (0.075 R)
• M8: 3,586,908 km (0.025 R)
• M9: 4,011,766 km (0.106 R)
• M10: 5,534,972 km (0.072 R)
• M11: 6,512,295 km (0.116 R)
• M12: 7,710,125 km (0.12 R)
• M13: 8,537,251 km (0.111 R)
• M14: 9,485,702 km (0.096 R)
• M15: 9,871,066 km (0.085 R)
• M16: 10,604,843 km (0.109 R)
• M17: 11,231,808 km (0.076 R)
• M18: 11,627,046 km (0.102 R)
• M19: 12,031,558 km (0.095 R)
• M20: 12,445,346 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 10.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.34 AU - 5.54 AU

Year: 7579 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,004,636 km

• M1: 133,890 km (0.082 R)
• M2: 478,264 km (0.104 R)
• M3: 821,592 km (0.05 R)
• M4: 1,474,586 km (0.033 R)
• M5: 2,502,922 km (0.041 R)
• M6: 2,854,028 km (0.097 R)
• M7: 3,442,995 km (0.112 R)
• M8: 3,981,398 km (0.105 R)
• M9: 4,490,928 km (0.057 R)
• M10: 5,134,947 km (0.088 R)
• M11: 6,145,481 km (0.114 R)
• M12: 7,129,535 km (0.108 R)
• M13: 9,133,848 km (0.061 R)
• M14: 9,641,433 km (0.107 R)
• M15: 10,662,887 km (0.042 R)
• M16: 11,330,393 km (0.071 R)
• M17: 13,092,506 km (0.119 R)
• M18: 13,501,058 km (0.071 R)
• M19: 13,858,148 km (0.104 R)
• M20: 18,357,454 km (0.099 R)
• M21: 18,869,827 km (0.039 R)
• M22: 19,770,256 km (0.107 R)
• M23: 21,254,117 km (0.051 R)
• M24: 21,819,149 km (0.069 R)
• M25: 22,727,208 km (0.111 R)
• M26: 24,092,737 km (0.114 R)
• M27: 24,795,697 km (0.102 R)
• M28: 26,892,910 km (0.109 R)
• M29: 29,204,646 km (0.093 R)
• M30: 35,671,014 km (0.087 R)
• M31: 38,815,262 km (0.063 R)
• M32: 40,393,220 km (0.113 R)
• M33: 41,260,290 km (0.075 R)
• M34: 41,761,293 km (0.076 R)
• M35: 42,520,502 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 10.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.26 AU - 5.68 AU

Year: 7648 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,004,636 km

• M1: 131,796 km (0.039 R)
• M2: 614,997 km (0.099 R)
• M3: 1,170,454 km (0.095 R)
• M4: 1,524,402 km (0.059 R)
• M5: 2,042,011 km (0.11 R)
• M6: 2,600,011 km (0.116 R)
• M7: 3,637,472 km (0.117 R)
• M8: 4,733,426 km (0.036 R)
• M9: 5,134,199 km (0.085 R)
• M10: 7,005,967 km (0.091 R)
• M11: 7,451,769 km (0.039 R)
• M12: 9,119,337 km (0.104 R)
• M13: 9,925,071 km (0.051 R)
• M14: 10,536,028 km (0.081 R)
• M15: 13,066,626 km (0.11 R)
• M16: 13,686,111 km (0.059 R)
• M17: 15,105,495 km (0.08 R)
• M18: 18,027,591 km (0.056 R)
• M19: 19,877,518 km (0.101 R)
• M20: 20,546,370 km (0.118 R)
• M21: 22,884,734 km (0.099 R)
• M22: 23,619,559 km (0.116 R)
• M23: 24,285,868 km (0.073 R)
• M24: 29,210,630 km (0.103 R)
• M25: 30,562,845 km (0.109 R)
• M26: 32,874,431 km (0.049 R)
• M27: 33,809,867 km (0.058 R)
• M28: 34,337,199 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.8

Radius: 6.4

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.53 AU - 10.77 AU

Year: 19105 Days

Day: 22.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,004,636 km

• M1: 79,885 km (0.049 R)
• M2: 312,211 km (0.031 R)
• M3: 582,534 km (0.09 R)
• M4: 811,120 km (0.035 R)
• M5: 1,262,905 km (0.077 R)
• M6: 1,686,716 km (0.034 R)
• M7: 2,299,618 km (0.108 R)
• M8: 3,051,497 km (0.097 R)
• M9: 3,326,757 km (0.058 R)
• M10: 6,482,225 km (0.08 R)
• M11: 6,938,499 km (0.113 R)
• M12: 7,371,585 km (0.082 R)
• M13: 8,196,318 km (0.115 R)
• M14: 8,979,612 km (0.089 R)
• M15: 9,705,162 km (0.042 R)
• M16: 10,027,844 km (0.068 R)
• M17: 16,743,293 km (0.068 R)
• M18: 20,002,133 km (0.098 R)
• M19: 24,839,380 km (0.119 R)
• M20: 25,953,884 km (0.091 R)
• M21: 26,471,343 km (0.088 R)
• M22: 26,680,182 km (0.095 R)
• M23: 27,956,850 km (0.067 R)
• M24: 33,228,380 km (0.089 R)
• M25: 36,871,387 km (0.083 R)
• M26: 41,470,923 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.7

Radius: 7

Gravity: 20.34 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.69 AU - 10.13 AU

Year: 19925 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,004,636 km

• M1: 87,066 km (0.114 R)
• M2: 438,920 km (0.055 R)
• M3: 882,777 km (0.079 R)
• M4: 1,528,441 km (0.101 R)
• M5: 1,796,970 km (0.073 R)
• M6: 2,746,916 km (0.046 R)
• M7: 3,554,146 km (0.117 R)
• M8: 3,930,983 km (0.108 R)
• M9: 4,474,472 km (0.115 R)
• M10: 5,105,626 km (0.119 R)
• M11: 5,544,695 km (0.111 R)
• M12: 7,013,896 km (0.119 R)
• M13: 8,126,904 km (0.098 R)
• M14: 8,893,893 km (0.104 R)
• M15: 9,888,868 km (0.09 R)
• M16: 11,152,222 km (0.053 R)
• M17: 13,023,542 km (0.087 R)
• M18: 14,459,681 km (0.117 R)
• M19: 16,764,087 km (0.076 R)
• M20: 17,643,124 km (0.085 R)
• M21: 18,276,521 km (0.095 R)
• M22: 19,588,644 km (0.041 R)
• M23: 20,862,321 km (0.093 R)
• M24: 23,791,297 km (0.091 R)
• M25: 28,311,696 km (0.065 R)
• M26: 32,423,543 km (0.105 R)
• M27: 40,390,827 km (0.12 R)
• M28: 43,420,333 km (0.04 R)
• M29: 60,656,252 km (0.117 R)
• M30: 63,349,462 km (0.107 R)
• M31: 64,193,793 km (0.073 R)
• M32: 66,554,597 km (0.081 R)
• M33: 74,919,810 km (0.055 R)
• M34: 77,295,425 km (0.089 R)
• M35: 82,196,101 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 15,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit