🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.2

Radius: 10.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.82 AU - 0.84 AU

Year: 504 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,004,039 km

• M1: 128,056 km (0.099 R)
• M2: 555,008 km (0.109 R)
• M3: 994,975 km (0.117 R)
• M4: 1,362,238 km (0.1 R)
• M5: 1,703,022 km (0.103 R)
• M6: 2,092,425 km (0.038 R)
• M7: 2,430,666 km (0.047 R)
• M8: 2,772,797 km (0.11 R)
• M9: 3,100,266 km (0.093 R)
• M10: 3,739,648 km (0.094 R)
• M11: 4,315,599 km (0.051 R)
• M12: 5,213,486 km (0.085 R)
• M13: 6,559,418 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 9.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.93 AU - 1.03 AU

Year: 647 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,004,039 km

• M1: 118,182 km (0.11 R)
• M2: 550,371 km (0.085 R)
• M3: 895,044 km (0.088 R)
• M4: 1,210,845 km (0.102 R)
• M5: 1,558,959 km (0.041 R)
• M6: 2,542,266 km (0.062 R)
• M7: 3,156,665 km (0.104 R)
• M8: 3,786,023 km (0.093 R)
• M9: 4,948,398 km (0.112 R)
• M10: 5,481,565 km (0.03 R)
• M11: 6,467,864 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 13.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.86 AU - 1.2 AU

Year: 697 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,004,039 km

• M1: 166,502 km (0.032 R)
• M2: 577,448 km (0.115 R)
• M3: 1,153,699 km (0.097 R)
• M4: 1,703,471 km (0.106 R)
• M5: 2,262,817 km (0.103 R)
• M6: 2,687,376 km (0.086 R)
• M7: 3,254,950 km (0.083 R)
• M8: 4,342,677 km (0.116 R)
• M9: 4,902,322 km (0.057 R)
• M10: 5,472,589 km (0.088 R)
• M11: 8,185,696 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 11.7

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.45 AU - 2.61 AU

Year: 2684 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,004,039 km

• M1: 145,559 km (0.066 R)
• M2: 579,243 km (0.083 R)
• M3: 1,046,138 km (0.112 R)
• M4: 1,588,131 km (0.103 R)
• M5: 2,355,119 km (0.083 R)
• M6: 2,840,116 km (0.061 R)
• M7: 4,158,671 km (0.099 R)
• M8: 5,717,331 km (0.085 R)
• M9: 6,456,195 km (0.065 R)
• M10: 7,165,588 km (0.058 R)
• M11: 7,666,891 km (0.065 R)
• M12: 11,141,002 km (0.084 R)
• M13: 11,643,950 km (0.099 R)
• M14: 12,471,226 km (0.113 R)
• M15: 13,151,598 km (0.038 R)
• M16: 13,952,395 km (0.087 R)
• M17: 14,389,520 km (0.03 R)
• M18: 14,885,736 km (0.077 R)
• M19: 15,755,648 km (0.113 R)
• M20: 16,604,915 km (0.09 R)
• M21: 17,992,884 km (0.118 R)
• M22: 18,979,781 km (0.108 R)
• M23: 19,396,561 km (0.071 R)
• M24: 20,002,582 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 14.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.67 AU - 4.67 AU

Year: 5679 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,004,039 km

• M1: 750,682 km (0.117 R)
• M2: 1,332,169 km (0.106 R)
• M3: 2,303,807 km (0.117 R)
• M4: 4,303,332 km (0.092 R)
• M5: 5,517,618 km (0.061 R)
• M6: 7,046,957 km (0.108 R)
• M7: 8,141,715 km (0.094 R)
• M8: 9,307,680 km (0.091 R)
• M9: 10,668,273 km (0.096 R)
• M10: 11,738,496 km (0.092 R)
• M11: 17,518,659 km (0.079 R)
• M12: 18,943,878 km (0.032 R)
• M13: 21,121,873 km (0.111 R)
• M14: 23,315,726 km (0.095 R)
• M15: 25,892,399 km (0.088 R)
• M16: 27,006,604 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.3

Radius: 7.9

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.38 AU - 7.12 AU

Year: 10420 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,004,039 km

• M1: 101,278 km (0.071 R)
• M2: 511,625 km (0.074 R)
• M3: 771,925 km (0.116 R)
• M4: 1,061,247 km (0.104 R)
• M5: 1,704,518 km (0.116 R)
• M6: 2,022,862 km (0.079 R)
• M7: 3,202,142 km (0.092 R)
• M8: 3,763,882 km (0.115 R)
• M9: 4,500,203 km (0.083 R)
• M10: 4,902,771 km (0.092 R)
• M11: 5,266,743 km (0.097 R)
• M12: 5,947,114 km (0.113 R)
• M13: 6,326,195 km (0.086 R)
• M14: 8,172,532 km (0.096 R)
• M15: 11,521,878 km (0.106 R)
• M16: 12,221,099 km (0.071 R)
• M17: 12,778,052 km (0.111 R)
• M18: 14,427,368 km (0.089 R)
• M19: 15,112,526 km (0.111 R)
• M20: 16,213,866 km (0.086 R)
• M21: 17,160,372 km (0.045 R)
• M22: 19,686,930 km (0.111 R)
• M23: 21,396,086 km (0.115 R)
• M24: 22,866,334 km (0.12 R)
• M25: 23,626,141 km (0.043 R)
• M26: 24,753,212 km (0.107 R)
• M27: 26,372,309 km (0.094 R)
• M28: 27,301,761 km (0.063 R)
• M29: 29,127,603 km (0.097 R)
• M30: 29,820,241 km (0.036 R)
• M31: 30,931,005 km (0.071 R)
• M32: 36,671,375 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.6

Radius: 3.9

Gravity: 62.04 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.66 AU - 10.9 AU

Year: 17349 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,004,039 km

• M1: 48,470 km (0.103 R)
• M2: 283,039 km (0.069 R)
• M3: 520,152 km (0.044 R)
• M4: 2,593,877 km (0.098 R)
• M5: 4,171,985 km (0.073 R)
• M6: 5,313,567 km (0.084 R)
• M7: 5,914,501 km (0.115 R)
• M8: 6,426,725 km (0.114 R)
• M9: 6,693,607 km (0.074 R)
• M10: 7,107,993 km (0.07 R)
• M11: 9,213,583 km (0.056 R)
• M12: 9,610,317 km (0.055 R)
• M13: 10,196,740 km (0.119 R)
• M14: 10,498,779 km (0.085 R)
• M15: 13,708,401 km (0.079 R)
• M16: 15,534,243 km (0.096 R)
• M17: 15,853,485 km (0.096 R)
• M18: 17,259,555 km (0.115 R)
• M19: 18,478,030 km (0.088 R)
• M20: 19,474,800 km (0.099 R)
• M21: 21,773,072 km (0.111 R)
• M22: 22,273,627 km (0.099 R)
• M23: 22,987,209 km (0.116 R)
• M24: 27,128,826 km (0.113 R)
• M25: 27,708,218 km (0.115 R)
• M26: 28,533,251 km (0.082 R)
• M27: 29,011,964 km (0.106 R)
• M28: 29,374,589 km (0.103 R)
• M29: 31,106,484 km (0.081 R)
• M30: 33,299,588 km (0.101 R)
• M31: 42,324,230 km (0.09 R)
• M32: 44,369,532 km (0.112 R)
• M33: 49,510,612 km (0.071 R)
• M34: 51,074,209 km (0.116 R)
• M35: 53,571,596 km (0.103 R)
• M36: 55,962,319 km (0.073 R)
• M37: 61,948,179 km (0.099 R)
• M38: 70,501,138 km (0.075 R)
• M39: 76,773,478 km (0.036 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 15,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit