🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 14.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,765,562 km

• M1: 175,777 km (0.108 R)
• M2: 734,226 km (0.094 R)
• M3: 1,266,944 km (0.034 R)
• M4: 1,946,119 km (0.077 R)
• M5: 2,527,606 km (0.094 R)
• M6: 3,423,398 km (0.1 R)
• M7: 4,123,217 km (0.107 R)
• M8: 5,049,078 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.4

Radius: 8.1

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.72 AU - 0.76 AU

Year: 424 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,765,562 km

• M1: 100,829 km (0.067 R)
• M2: 396,883 km (0.114 R)
• M3: 777,011 km (0.096 R)
• M4: 1,170,903 km (0.051 R)
• M5: 1,612,665 km (0.046 R)
• M6: 1,897,350 km (0.077 R)
• M7: 2,215,694 km (0.079 R)
• M8: 2,713,257 km (0.106 R)
• M9: 3,379,565 km (0.115 R)
• M10: 3,810,707 km (0.059 R)
• M11: 4,192,780 km (0.09 R)
• M12: 4,829,169 km (0.095 R)
• M13: 5,648,367 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 10.9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.91 AU - 1.03 AU

Year: 637 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,765,562 km

• M1: 135,536 km (0.109 R)
• M2: 496,216 km (0.102 R)
• M3: 1,132,157 km (0.111 R)
• M4: 1,472,492 km (0.073 R)
• M5: 1,951,205 km (0.096 R)
• M6: 2,339,711 km (0.07 R)
• M7: 2,858,815 km (0.111 R)
• M8: 3,201,245 km (0.097 R)
• M9: 3,801,431 km (0.118 R)
• M10: 4,232,423 km (0.087 R)
• M11: 4,647,856 km (0.117 R)
• M12: 5,331,219 km (0.114 R)
• M13: 5,743,062 km (0.05 R)
• M14: 6,371,224 km (0.081 R)
• M15: 6,856,370 km (0.119 R)
• M16: 7,409,732 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 11.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.03 AU - 2.49 AU

Year: 2266 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,765,562 km

• M1: 146,756 km (0.11 R)
• M2: 527,332 km (0.11 R)
• M3: 1,095,356 km (0.064 R)
• M4: 1,479,523 km (0.073 R)
• M5: 1,890,618 km (0.056 R)
• M6: 2,493,797 km (0.12 R)
• M7: 3,023,971 km (0.052 R)
• M8: 3,494,756 km (0.072 R)
• M9: 4,217,613 km (0.101 R)
• M10: 4,585,025 km (0.082 R)
• M11: 5,187,605 km (0.112 R)
• M12: 6,153,409 km (0.077 R)
• M13: 8,932,489 km (0.089 R)
• M14: 9,476,726 km (0.097 R)
• M15: 10,077,062 km (0.111 R)
• M16: 12,069,855 km (0.076 R)
• M17: 14,012,982 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 12.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.77 AU - 2.87 AU

Year: 2356 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,765,562 km

• M1: 154,235 km (0.115 R)
• M2: 617,989 km (0.119 R)
• M3: 1,228,947 km (0.068 R)
• M4: 2,173,657 km (0.089 R)
• M5: 2,654,614 km (0.094 R)
• M6: 3,849,602 km (0.106 R)
• M7: 4,577,096 km (0.083 R)
• M8: 5,185,960 km (0.06 R)
• M9: 6,136,953 km (0.105 R)
• M10: 7,247,718 km (0.072 R)
• M11: 7,777,145 km (0.113 R)
• M12: 8,699,116 km (0.106 R)
• M13: 9,381,432 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 10

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.32 AU - 3.04 AU

Year: 2926 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,765,562 km

• M1: 126,859 km (0.081 R)
• M2: 557,252 km (0.075 R)
• M3: 1,297,911 km (0.09 R)
• M4: 2,342,254 km (0.044 R)
• M5: 2,855,973 km (0.064 R)
• M6: 3,766,126 km (0.042 R)
• M7: 4,645,911 km (0.106 R)
• M8: 5,228,595 km (0.074 R)
• M9: 6,150,866 km (0.088 R)
• M10: 6,945,680 km (0.068 R)
• M11: 7,344,059 km (0.078 R)
• M12: 7,757,697 km (0.106 R)
• M13: 8,711,832 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.1

Radius: 14.4

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.77 AU - 3.05 AU

Year: 3310 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,765,562 km

• M1: 179,368 km (0.055 R)
• M2: 646,263 km (0.111 R)
• M3: 1,527,245 km (0.086 R)
• M4: 2,034,232 km (0.063 R)
• M5: 2,638,906 km (0.04 R)
• M6: 3,107,297 km (0.04 R)
• M7: 3,612,041 km (0.07 R)
• M8: 4,507,234 km (0.078 R)
• M9: 4,983,404 km (0.094 R)
• M10: 7,046,957 km (0.108 R)
• M11: 7,824,866 km (0.063 R)
• M12: 9,707,555 km (0.057 R)
• M13: 10,343,496 km (0.065 R)
• M14: 11,263,224 km (0.113 R)
• M15: 12,146,001 km (0.102 R)
• M16: 14,200,129 km (0.076 R)
• M17: 18,987,710 km (0.073 R)
• M18: 19,481,532 km (0.108 R)
• M19: 23,889,583 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 12.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.33 AU - 3.88 AU

Year: 3640 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,765,562 km

• M1: 153,039 km (0.037 R)
• M2: 572,661 km (0.09 R)
• M3: 1,019,509 km (0.112 R)
• M4: 1,419,833 km (0.093 R)
• M5: 1,953,599 km (0.086 R)
• M6: 3,897,773 km (0.077 R)
• M7: 4,475,220 km (0.079 R)
• M8: 4,907,857 km (0.04 R)
• M9: 5,970,900 km (0.065 R)
• M10: 7,053,540 km (0.09 R)
• M11: 7,508,317 km (0.057 R)
• M12: 9,067,127 km (0.117 R)
• M13: 9,605,679 km (0.059 R)
• M14: 10,165,475 km (0.109 R)
• M15: 11,175,859 km (0.1 R)
• M16: 13,842,889 km (0.034 R)
• M17: 15,083,654 km (0.077 R)
• M18: 15,731,114 km (0.11 R)
• M19: 18,084,288 km (0.082 R)
• M20: 19,756,493 km (0.054 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 8.8

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.73 AU - 5.05 AU

Year: 7211 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,765,562 km

• M1: 109,805 km (0.074 R)
• M2: 476,918 km (0.117 R)
• M3: 764,146 km (0.052 R)
• M4: 1,069,625 km (0.069 R)
• M5: 1,638,695 km (0.04 R)
• M6: 5,285,592 km (0.101 R)
• M7: 6,215,941 km (0.042 R)
• M8: 7,327,005 km (0.084 R)
• M9: 8,030,115 km (0.056 R)
• M10: 8,481,451 km (0.111 R)
• M11: 14,147,171 km (0.031 R)
• M12: 15,112,227 km (0.118 R)
• M13: 22,400,935 km (0.099 R)
• M14: 30,042,394 km (0.111 R)
• M15: 34,550,975 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.5

Radius: 3.1

Gravity: 46.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.26 AU - 11 AU

Year: 19928 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,765,562 km

• M1: 39,793 km (0.025 R)
• M2: 149,299 km (0.076 R)
• M3: 390,750 km (0.028 R)
• M4: 489,335 km (0.112 R)
• M5: 629,957 km (0.108 R)
• M6: 767,437 km (0.08 R)
• M7: 981,661 km (0.1 R)
• M8: 1,102,985 km (0.082 R)
• M9: 1,332,319 km (0.088 R)
• M10: 1,481,318 km (0.11 R)
• M11: 2,576,524 km (0.09 R)
• M12: 2,880,806 km (0.047 R)
• M13: 4,089,258 km (0.107 R)
• M14: 4,601,780 km (0.056 R)
• M15: 5,048,629 km (0.115 R)
• M16: 6,819,120 km (0.107 R)
• M17: 6,950,018 km (0.107 R)
• M18: 7,127,291 km (0.065 R)
• M19: 7,352,885 km (0.073 R)
• M20: 8,353,396 km (0.074 R)
• M21: 8,808,622 km (0.067 R)
• M22: 9,333,710 km (0.103 R)
• M23: 13,129,906 km (0.086 R)
• M24: 15,855,280 km (0.079 R)
• M25: 17,027,379 km (0.094 R)
• M26: 18,593,370 km (0.116 R)
• M27: 19,984,331 km (0.061 R)
• M28: 25,502,547 km (0.119 R)
• M29: 29,579,837 km (0.111 R)
• M30: 30,752,086 km (0.075 R)
• M31: 31,833,081 km (0.091 R)
• M32: 36,677,508 km (0.061 R)
• M33: 42,578,097 km (0.047 R)
• M34: 43,769,195 km (0.043 R)
• M35: 47,793,977 km (0.071 R)
• M36: 47,953,597 km (0.069 R)
• M37: 51,386,420 km (0.025 R)
• M38: 54,630,300 km (0.067 R)
• M39: 56,391,217 km (0.096 R)
• M40: 59,286,833 km (0.083 R)
• M41: 59,840,495 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 19,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit