🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.4

Radius: 8.4

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 12.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,246,940 km

• M1: 104,419 km (0.108 R)
• M2: 389,702 km (0.074 R)
• M3: 657,483 km (0.063 R)
• M4: 946,655 km (0.082 R)
• M5: 1,484,759 km (0.1 R)
• M6: 2,118,904 km (0.062 R)
• M7: 2,542,266 km (0.068 R)
• M8: 2,807,503 km (0.08 R)
• M9: 3,121,659 km (0.059 R)
• M10: 3,536,494 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 10.5

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.57 AU - 0.77 AU

Year: 379 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,246,940 km

• M1: 137,630 km (0.085 R)
• M2: 573,857 km (0.079 R)
• M3: 933,790 km (0.105 R)
• M4: 1,398,890 km (0.116 R)
• M5: 1,804,300 km (0.113 R)
• M6: 2,131,770 km (0.025 R)
• M7: 2,489,907 km (0.105 R)
• M8: 3,037,884 km (0.084 R)
• M9: 4,156,128 km (0.054 R)
• M10: 4,603,575 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 10.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.2 AU - 1.62 AU

Year: 1156 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,246,940 km

• M1: 129,552 km (0.064 R)
• M2: 509,830 km (0.091 R)
• M3: 1,087,876 km (0.098 R)
• M4: 2,174,255 km (0.066 R)
• M5: 4,200,110 km (0.119 R)
• M6: 4,547,925 km (0.09 R)
• M7: 5,523,453 km (0.119 R)
• M8: 10,279,917 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 9.9

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.18 AU - 1.8 AU

Year: 1255 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,246,940 km

• M1: 123,119 km (0.092 R)
• M2: 537,206 km (0.09 R)
• M3: 868,864 km (0.12 R)
• M4: 1,257,669 km (0.102 R)
• M5: 1,604,288 km (0.056 R)
• M6: 2,280,769 km (0.1 R)
• M7: 2,633,671 km (0.112 R)
• M8: 3,313,892 km (0.115 R)
• M9: 3,736,356 km (0.069 R)
• M10: 4,265,634 km (0.108 R)
• M11: 5,710,450 km (0.092 R)
• M12: 6,180,786 km (0.117 R)
• M13: 7,405,394 km (0.09 R)
• M14: 7,748,721 km (0.115 R)
• M15: 8,990,682 km (0.039 R)
• M16: 10,069,732 km (0.063 R)
• M17: 10,657,203 km (0.089 R)
• M18: 11,865,056 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 8.4

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.41 AU - 1.63 AU

Year: 1294 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,246,940 km

• M1: 104,419 km (0.118 R)
• M2: 416,780 km (0.046 R)
• M3: 873,502 km (0.08 R)
• M4: 1,165,667 km (0.083 R)
• M5: 1,430,006 km (0.118 R)
• M6: 1,882,839 km (0.086 R)
• M7: 2,380,401 km (0.11 R)
• M8: 2,977,147 km (0.06 R)
• M9: 3,495,205 km (0.12 R)
• M10: 4,615,693 km (0.115 R)
• M11: 5,628,171 km (0.097 R)
• M12: 6,117,955 km (0.079 R)
• M13: 9,063,836 km (0.051 R)
• M14: 9,581,145 km (0.05 R)
• M15: 10,741,726 km (0.072 R)
• M16: 11,601,016 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.8

Radius: 11.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.26 AU - 2.92 AU

Year: 2877 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,246,940 km

• M1: 139,276 km (0.103 R)
• M2: 526,285 km (0.076 R)
• M3: 1,376,450 km (0.088 R)
• M4: 1,914,703 km (0.075 R)
• M5: 2,411,069 km (0.075 R)
• M6: 3,060,473 km (0.112 R)
• M7: 3,783,181 km (0.081 R)
• M8: 4,503,046 km (0.044 R)
• M9: 6,413,111 km (0.087 R)
• M10: 7,094,230 km (0.087 R)
• M11: 7,790,309 km (0.057 R)
• M12: 9,429,752 km (0.093 R)
• M13: 10,630,125 km (0.114 R)
• M14: 11,288,057 km (0.099 R)
• M15: 12,016,898 km (0.058 R)
• M16: 16,408,194 km (0.107 R)
• M17: 18,082,343 km (0.08 R)
• M18: 20,487,728 km (0.099 R)
• M19: 21,897,987 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239

Radius: 10.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.61 AU - 3.83 AU

Year: 3988 Days

Day: 13.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,246,940 km

• M1: 133,142 km (0.086 R)
• M2: 518,805 km (0.108 R)
• M3: 878,439 km (0.1 R)
• M4: 1,329,925 km (0.069 R)
• M5: 1,754,185 km (0.037 R)
• M6: 2,729,563 km (0.105 R)
• M7: 3,202,591 km (0.072 R)
• M8: 3,729,774 km (0.045 R)
• M9: 4,073,251 km (0.092 R)
• M10: 4,758,559 km (0.057 R)
• M11: 6,147,724 km (0.073 R)
• M12: 7,107,245 km (0.107 R)
• M13: 9,287,485 km (0.084 R)
• M14: 9,850,721 km (0.03 R)
• M15: 10,324,946 km (0.119 R)
• M16: 11,279,829 km (0.071 R)
• M17: 13,320,942 km (0.091 R)
• M18: 14,685,724 km (0.12 R)
• M19: 16,596,537 km (0.111 R)
• M20: 17,008,081 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 9.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.74 AU - 3.84 AU

Year: 4119 Days

Day: 9.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,246,940 km

• M1: 113,096 km (0.119 R)
• M2: 432,936 km (0.109 R)
• M3: 861,534 km (0.048 R)
• M4: 1,654,253 km (0.11 R)
• M5: 2,493,797 km (0.032 R)
• M6: 3,225,330 km (0.118 R)
• M7: 5,190,448 km (0.063 R)
• M8: 5,482,463 km (0.117 R)
• M9: 5,807,539 km (0.117 R)
• M10: 6,616,564 km (0.114 R)
• M11: 7,290,503 km (0.075 R)
• M12: 10,418,445 km (0.108 R)
• M13: 12,184,447 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 12.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.66 AU - 4.26 AU

Year: 5439 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,246,940 km

• M1: 157,975 km (0.117 R)
• M2: 607,367 km (0.091 R)
• M3: 1,019,809 km (0.068 R)
• M4: 1,907,672 km (0.117 R)
• M5: 2,396,408 km (0.097 R)
• M6: 2,951,117 km (0.098 R)
• M7: 3,393,329 km (0.112 R)
• M8: 3,795,597 km (0.076 R)
• M9: 5,122,081 km (0.037 R)
• M10: 5,572,221 km (0.063 R)
• M11: 5,991,395 km (0.079 R)
• M12: 10,354,267 km (0.116 R)
• M13: 12,863,173 km (0.084 R)
• M14: 14,570,683 km (0.109 R)
• M15: 17,057,000 km (0.077 R)
• M16: 18,615,959 km (0.076 R)
• M17: 19,942,892 km (0.094 R)
• M18: 20,399,016 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657

Radius: 5.4

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.92 AU - 10.76 AU

Year: 22950 Days

Day: 18 Hours

Environment

Temp: -246 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,246,940 km

• M1: 67,169 km (0.117 R)
• M2: 317,746 km (0.04 R)
• M3: 530,624 km (0.113 R)
• M4: 796,010 km (0.099 R)
• M5: 1,093,411 km (0.105 R)
• M6: 1,351,168 km (0.094 R)
• M7: 2,375,913 km (0.09 R)
• M8: 2,709,816 km (0.118 R)
• M9: 4,366,313 km (0.114 R)
• M10: 4,612,252 km (0.074 R)
• M11: 5,131,955 km (0.076 R)
• M12: 5,366,225 km (0.035 R)
• M13: 7,019,880 km (0.108 R)
• M14: 7,505,924 km (0.088 R)
• M15: 7,808,261 km (0.102 R)
• M16: 11,958,854 km (0.118 R)
• M17: 12,722,102 km (0.097 R)
• M18: 18,175,393 km (0.104 R)
• M19: 20,910,940 km (0.087 R)
• M20: 22,118,943 km (0.109 R)
• M21: 22,949,660 km (0.104 R)
• M22: 27,181,484 km (0.059 R)
• M23: 28,863,114 km (0.076 R)
• M24: 29,108,903 km (0.098 R)
• M25: 32,036,534 km (0.037 R)
• M26: 32,964,938 km (0.114 R)
• M27: 37,293,403 km (0.105 R)
• M28: 39,668,867 km (0.102 R)
• M29: 43,257,421 km (0.1 R)
• M30: 43,579,356 km (0.112 R)
• M31: 54,182,853 km (0.1 R)
• M32: 54,744,593 km (0.106 R)
• M33: 59,776,766 km (0.076 R)
• M34: 59,976,180 km (0.045 R)
• M35: 61,791,550 km (0.115 R)
• M36: 61,995,452 km (0.115 R)
• M37: 63,021,843 km (0.072 R)
• M38: 63,228,438 km (0.12 R)
• M39: 76,002,151 km (0.038 R)
• M40: 76,941,476 km (0.228 R)
• M41: 81,020,412 km (0.142 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 19,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit