🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890

Radius: 8.8

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.91 AU - 0.93 AU

Year: 570 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,964,925 km

• M1: 109,506 km (0.117 R)
• M2: 468,690 km (0.064 R)
• M3: 805,136 km (0.105 R)
• M4: 1,170,603 km (0.112 R)
• M5: 1,669,512 km (0.091 R)
• M6: 2,284,659 km (0.057 R)
• M7: 2,853,729 km (0.088 R)
• M8: 3,760,591 km (0.101 R)
• M9: 4,586,521 km (0.08 R)
• M10: 5,154,544 km (0.12 R)
• M11: 6,552,836 km (0.098 R)
• M12: 7,207,925 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.9

Radius: 8

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.18 AU - 1.24 AU

Year: 859 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,964,925 km

• M1: 99,483 km (0.027 R)
• M2: 404,513 km (0.11 R)
• M3: 1,024,596 km (0.116 R)
• M4: 1,275,172 km (0.111 R)
• M5: 1,666,071 km (0.048 R)
• M6: 2,145,084 km (0.114 R)
• M7: 2,395,810 km (0.108 R)
• M8: 2,713,107 km (0.115 R)
• M9: 3,149,334 km (0.094 R)
• M10: 4,036,300 km (0.097 R)
• M11: 5,452,992 km (0.08 R)
• M12: 5,863,638 km (0.096 R)
• M13: 6,128,127 km (0.061 R)
• M14: 6,507,358 km (0.082 R)
• M15: 6,768,855 km (0.11 R)
• M16: 7,037,383 km (0.086 R)
• M17: 7,524,623 km (0.12 R)
• M18: 7,788,514 km (0.061 R)
• M19: 8,259,149 km (0.102 R)
• M20: 8,801,292 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 8.5

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.89 AU - 3.07 AU

Year: 3322 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,964,925 km

• M1: 105,766 km (0.104 R)
• M2: 544,985 km (0.046 R)
• M3: 913,445 km (0.075 R)
• M4: 2,077,316 km (0.087 R)
• M5: 2,547,053 km (0.043 R)
• M6: 2,931,819 km (0.072 R)
• M7: 4,215,369 km (0.119 R)
• M8: 4,779,054 km (0.1 R)
• M9: 5,265,546 km (0.096 R)
• M10: 6,744,919 km (0.081 R)
• M11: 8,242,394 km (0.026 R)
• M12: 8,693,132 km (0.101 R)
• M13: 9,196,679 km (0.07 R)
• M14: 11,535,492 km (0.12 R)
• M15: 12,682,159 km (0.092 R)
• M16: 16,685,698 km (0.038 R)
• M17: 17,071,810 km (0.034 R)
• M18: 18,853,221 km (0.054 R)
• M19: 21,395,188 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 13.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.84 AU - 4.68 AU

Year: 4708 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,964,925 km

• M1: 168,896 km (0.108 R)
• M2: 618,288 km (0.073 R)
• M3: 3,107,896 km (0.098 R)
• M4: 3,637,921 km (0.12 R)
• M5: 7,064,311 km (0.11 R)
• M6: 7,582,218 km (0.108 R)
• M7: 8,265,282 km (0.107 R)
• M8: 9,328,474 km (0.096 R)
• M9: 11,770,211 km (0.066 R)
• M10: 13,211,437 km (0.089 R)
• M11: 14,767,255 km (0.09 R)
• M12: 15,294,288 km (0.057 R)
• M13: 16,219,102 km (0.119 R)
• M14: 17,296,506 km (0.061 R)
• M15: 18,120,491 km (0.089 R)
• M16: 18,602,944 km (0.03 R)
• M17: 21,613,152 km (0.053 R)
• M18: 22,293,224 km (0.083 R)
• M19: 23,839,617 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 14.9

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.15 AU - 6.31 AU

Year: 7723 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,964,925 km

• M1: 185,352 km (0.03 R)
• M2: 1,006,943 km (0.099 R)
• M3: 2,603,153 km (0.106 R)
• M4: 3,758,796 km (0.03 R)
• M5: 4,278,649 km (0.107 R)
• M6: 5,205,707 km (0.115 R)
• M7: 6,590,534 km (0.066 R)
• M8: 8,763,144 km (0.095 R)
• M9: 12,068,958 km (0.075 R)
• M10: 16,812,856 km (0.073 R)
• M11: 18,908,124 km (0.095 R)
• M12: 21,541,794 km (0.099 R)
• M13: 25,394,837 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.7

Radius: 5.7

Gravity: 28.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.59 AU - 9.49 AU

Year: 14720 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,964,925 km

• M1: 72,555 km (0.09 R)
• M2: 250,726 km (0.106 R)
• M3: 469,887 km (0.052 R)
• M4: 809,175 km (0.054 R)
• M5: 1,064,538 km (0.097 R)
• M6: 1,315,264 km (0.106 R)
• M7: 2,333,428 km (0.086 R)
• M8: 3,479,946 km (0.063 R)
• M9: 3,765,378 km (0.103 R)
• M10: 5,818,759 km (0.089 R)
• M11: 6,262,765 km (0.069 R)
• M12: 6,904,241 km (0.116 R)
• M13: 8,167,894 km (0.03 R)
• M14: 11,205,180 km (0.091 R)
• M15: 12,805,727 km (0.107 R)
• M16: 13,211,287 km (0.101 R)
• M17: 14,846,242 km (0.069 R)
• M18: 15,143,643 km (0.071 R)
• M19: 19,293,189 km (0.076 R)
• M20: 22,057,308 km (0.112 R)
• M21: 26,246,198 km (0.102 R)
• M22: 28,241,834 km (0.113 R)
• M23: 30,695,239 km (0.108 R)
• M24: 32,283,220 km (0.113 R)
• M25: 33,925,057 km (0.109 R)
• M26: 34,571,170 km (0.102 R)
• M27: 42,675,485 km (0.112 R)
• M28: 44,650,925 km (0.107 R)
• M29: 46,686,503 km (0.095 R)
• M30: 53,336,428 km (0.066 R)
• M31: 60,969,659 km (0.119 R)
• M32: 63,862,882 km (0.103 R)
• M33: 64,452,447 km (0.103 R)
• M34: 67,048,718 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.9

Radius: 3

Gravity: 31.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.73 AU - 11.67 AU

Year: 21034 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,964,925 km

• M1: 37,250 km (0.091 R)
• M2: 166,652 km (0.077 R)
• M3: 331,808 km (0.107 R)
• M4: 673,190 km (0.072 R)
• M5: 1,096,702 km (0.096 R)
• M6: 1,289,234 km (0.087 R)
• M7: 1,503,907 km (0.095 R)
• M8: 1,896,003 km (0.109 R)
• M9: 2,393,566 km (0.06 R)
• M10: 2,672,716 km (0.09 R)
• M11: 3,612,789 km (0.099 R)
• M12: 3,950,431 km (0.049 R)
• M13: 4,186,945 km (0.08 R)
• M14: 6,967,371 km (0.077 R)
• M15: 7,714,014 km (0.098 R)
• M16: 9,364,378 km (0.113 R)
• M17: 9,944,967 km (0.106 R)
• M18: 10,381,943 km (0.066 R)
• M19: 13,672,348 km (0.104 R)
• M20: 16,514,558 km (0.116 R)
• M21: 17,126,712 km (0.06 R)
• M22: 18,558,962 km (0.114 R)
• M23: 20,590,053 km (0.106 R)
• M24: 22,764,607 km (0.089 R)
• M25: 23,714,105 km (0.098 R)
• M26: 26,824,843 km (0.096 R)
• M27: 27,669,473 km (0.091 R)
• M28: 30,196,629 km (0.102 R)
• M29: 34,826,085 km (0.108 R)
• M30: 36,596,726 km (0.119 R)
• M31: 38,559,599 km (0.086 R)
• M32: 43,843,695 km (0.049 R)
• M33: 44,572,985 km (0.066 R)
• M34: 52,479,083 km (0.084 R)
• M35: 52,642,892 km (0.111 R)
• M36: 52,806,852 km (0.084 R)
• M37: 53,466,429 km (0.043 R)
• M38: 58,063,122 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.8

Radius: 3.5

Gravity: 40.64 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.39 AU - 11.65 AU

Year: 22031 Days

Day: 21.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,964,925 km

• M1: 45,927 km (0.088 R)
• M2: 160,369 km (0.114 R)
• M3: 377,136 km (0.116 R)
• M4: 551,567 km (0.084 R)
• M5: 662,569 km (0.032 R)
• M6: 1,026,541 km (0.109 R)
• M7: 1,400,535 km (0.063 R)
• M8: 2,072,080 km (0.082 R)
• M9: 3,361,464 km (0.102 R)
• M10: 3,797,392 km (0.073 R)
• M11: 4,270,122 km (0.042 R)
• M12: 4,571,861 km (0.038 R)
• M13: 5,143,324 km (0.114 R)
• M14: 5,881,889 km (0.103 R)
• M15: 6,556,426 km (0.071 R)
• M16: 6,957,797 km (0.099 R)
• M17: 8,728,138 km (0.059 R)
• M18: 8,941,614 km (0.054 R)
• M19: 9,946,014 km (0.092 R)
• M20: 13,762,406 km (0.096 R)
• M21: 16,758,701 km (0.096 R)
• M22: 18,104,185 km (0.041 R)
• M23: 19,610,934 km (0.074 R)
• M24: 20,913,034 km (0.091 R)
• M25: 25,704,205 km (0.101 R)
• M26: 28,178,704 km (0.04 R)
• M27: 29,593,002 km (0.079 R)
• M28: 30,807,288 km (0.119 R)
• M29: 32,562,370 km (0.113 R)
• M30: 33,205,043 km (0.091 R)
• M31: 43,264,303 km (0.088 R)
• M32: 50,932,689 km (0.109 R)
• M33: 63,556,955 km (0.096 R)
• M34: 65,369,482 km (0.102 R)
• M35: 69,520,374 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 11,565 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit