🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 12.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.18 AU - 3 AU

Year: 2650 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,629,715 km

• M1: 160,369 km (0.119 R)
• M2: 805,884 km (0.087 R)
• M3: 1,220,719 km (0.052 R)
• M4: 1,624,932 km (0.114 R)
• M5: 2,096,165 km (0.11 R)
• M6: 2,899,207 km (0.115 R)
• M7: 3,974,815 km (0.091 R)
• M8: 5,563,994 km (0.108 R)
• M9: 6,065,595 km (0.086 R)
• M10: 8,095,489 km (0.095 R)
• M11: 9,247,841 km (0.102 R)
• M12: 9,917,591 km (0.104 R)
• M13: 11,079,817 km (0.115 R)
• M14: 12,330,754 km (0.115 R)
• M15: 13,099,238 km (0.119 R)
• M16: 13,899,437 km (0.056 R)
• M17: 14,357,805 km (0.071 R)
• M18: 14,968,913 km (0.095 R)
• M19: 16,293,452 km (0.041 R)
• M20: 18,125,128 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 13.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.56 AU - 2.94 AU

Year: 2900 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,629,715 km

• M1: 192,682 km (0.09 R)
• M2: 793,318 km (0.077 R)
• M3: 1,257,968 km (0.087 R)
• M4: 1,751,941 km (0.08 R)
• M5: 2,229,906 km (0.066 R)
• M6: 2,734,948 km (0.085 R)
• M7: 3,474,111 km (0.112 R)
• M8: 4,555,255 km (0.095 R)
• M9: 5,186,259 km (0.053 R)
• M10: 5,722,567 km (0.091 R)
• M11: 6,241,971 km (0.093 R)
• M12: 6,792,940 km (0.09 R)
• M13: 7,527,166 km (0.113 R)
• M14: 8,184,350 km (0.109 R)
• M15: 9,364,528 km (0.11 R)
• M16: 9,830,824 km (0.106 R)
• M17: 11,323,661 km (0.098 R)
• M18: 11,770,809 km (0.112 R)
• M19: 12,229,925 km (0.101 R)
• M20: 13,588,274 km (0.06 R)
• M21: 16,038,537 km (0.091 R)
• M22: 17,288,128 km (0.1 R)
• M23: 17,827,578 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.9

Radius: 15

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.41 AU - 3.45 AU

Year: 3189 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,629,715 km

• M1: 186,549 km (0.105 R)
• M2: 658,081 km (0.095 R)
• M3: 1,169,407 km (0.072 R)
• M4: 1,745,508 km (0.083 R)
• M5: 2,401,046 km (0.084 R)
• M6: 2,942,740 km (0.063 R)
• M7: 3,843,618 km (0.046 R)
• M8: 5,705,962 km (0.038 R)
• M9: 7,433,518 km (0.087 R)
• M10: 7,954,717 km (0.114 R)
• M11: 8,665,307 km (0.066 R)
• M12: 9,312,916 km (0.07 R)
• M13: 11,331,590 km (0.095 R)
• M14: 13,180,919 km (0.079 R)
• M15: 14,270,889 km (0.098 R)
• M16: 15,030,248 km (0.097 R)
• M17: 18,285,797 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 14

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.19 AU - 3.41 AU

Year: 3812 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,629,715 km

• M1: 174,730 km (0.091 R)
• M2: 715,227 km (0.089 R)
• M3: 1,226,553 km (0.077 R)
• M4: 1,817,913 km (0.045 R)
• M5: 2,419,297 km (0.099 R)
• M6: 5,990,348 km (0.102 R)
• M7: 6,669,522 km (0.108 R)
• M8: 7,590,297 km (0.033 R)
• M9: 8,182,405 km (0.093 R)
• M10: 8,734,421 km (0.098 R)
• M11: 10,947,871 km (0.077 R)
• M12: 11,533,846 km (0.114 R)
• M13: 13,465,903 km (0.11 R)
• M14: 14,484,066 km (0.105 R)
• M15: 15,345,600 km (0.077 R)
• M16: 15,973,911 km (0.07 R)
• M17: 17,170,694 km (0.086 R)
• M18: 17,962,964 km (0.063 R)
• M19: 19,620,359 km (0.102 R)
• M20: 22,361,142 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.4

Radius: 15

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.37 AU - 3.77 AU

Year: 4289 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,629,715 km

• M1: 186,549 km (0.09 R)
• M2: 915,689 km (0.069 R)
• M3: 1,382,434 km (0.081 R)
• M4: 2,372,622 km (0.094 R)
• M5: 3,846,161 km (0.062 R)
• M6: 5,341,093 km (0.087 R)
• M7: 6,289,244 km (0.101 R)
• M8: 7,221,089 km (0.098 R)
• M9: 7,733,761 km (0.102 R)
• M10: 8,381,071 km (0.079 R)
• M11: 10,705,822 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.8

Radius: 3.9

Gravity: 52.26 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.88 AU - 6.96 AU

Year: 10343 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,629,715 km

• M1: 54,154 km (0.085 R)
• M2: 218,712 km (0.1 R)
• M3: 559,945 km (0.111 R)
• M4: 1,214,884 km (0.111 R)
• M5: 1,356,254 km (0.037 R)
• M6: 1,480,121 km (0.084 R)
• M7: 1,611,468 km (0.118 R)
• M8: 3,569,555 km (0.113 R)
• M9: 3,861,420 km (0.107 R)
• M10: 4,769,479 km (0.037 R)
• M11: 5,494,580 km (0.081 R)
• M12: 5,847,332 km (0.049 R)
• M13: 6,404,584 km (0.089 R)
• M14: 10,037,868 km (0.073 R)
• M15: 11,053,936 km (0.087 R)
• M16: 11,615,377 km (0.116 R)
• M17: 12,136,576 km (0.109 R)
• M18: 13,225,798 km (0.106 R)
• M19: 14,777,128 km (0.095 R)
• M20: 16,517,699 km (0.118 R)
• M21: 17,250,579 km (0.051 R)
• M22: 17,399,728 km (0.091 R)
• M23: 17,776,416 km (0.096 R)
• M24: 20,987,684 km (0.082 R)
• M25: 22,197,033 km (0.081 R)
• M26: 22,639,992 km (0.089 R)
• M27: 24,190,125 km (0.099 R)
• M28: 24,377,123 km (0.094 R)
• M29: 27,398,551 km (0.117 R)
• M30: 29,581,483 km (0.071 R)
• M31: 32,441,196 km (0.033 R)
• M32: 35,119,746 km (0.103 R)
• M33: 37,565,821 km (0.091 R)
• M34: 39,215,137 km (0.103 R)
• M35: 42,930,251 km (0.104 R)
• M36: 46,295,754 km (0.11 R)
• M37: 47,309,429 km (0.108 R)
• M38: 49,081,565 km (0.111 R)
• M39: 50,439,316 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555

Radius: 3.8

Gravity: 38.43 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.51 AU - 7.95 AU

Year: 12361 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,629,715 km

• M1: 48,320 km (0.091 R)
• M2: 185,352 km (0.101 R)
• M3: 537,206 km (0.097 R)
• M4: 714,629 km (0.056 R)
• M5: 1,212,640 km (0.114 R)
• M6: 1,491,940 km (0.113 R)
• M7: 2,050,538 km (0.114 R)
• M8: 2,588,941 km (0.104 R)
• M9: 2,715,650 km (0.092 R)
• M10: 3,437,759 km (0.12 R)
• M11: 3,911,536 km (0.079 R)
• M12: 4,547,925 km (0.111 R)
• M13: 5,052,219 km (0.106 R)
• M14: 5,841,198 km (0.09 R)
• M15: 6,552,088 km (0.081 R)
• M16: 7,360,963 km (0.067 R)
• M17: 8,742,948 km (0.069 R)
• M18: 9,569,776 km (0.07 R)
• M19: 10,131,815 km (0.045 R)
• M20: 11,490,463 km (0.112 R)
• M21: 15,443,287 km (0.058 R)
• M22: 15,791,102 km (0.054 R)
• M23: 18,373,311 km (0.116 R)
• M24: 18,528,743 km (0.045 R)
• M25: 24,825,916 km (0.105 R)
• M26: 25,883,573 km (0.097 R)
• M27: 26,671,356 km (0.101 R)
• M28: 32,981,693 km (0.111 R)
• M29: 33,558,243 km (0.088 R)
• M30: 34,612,609 km (0.114 R)
• M31: 35,568,390 km (0.096 R)
• M32: 38,413,592 km (0.093 R)
• M33: 47,852,768 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.6

Radius: 3.9

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.25 AU - 9.61 AU

Year: 15562 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 159.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,629,715 km

• M1: 48,470 km (0.084 R)
• M2: 297,550 km (0.097 R)
• M3: 742,753 km (0.06 R)
• M4: 920,625 km (0.096 R)
• M5: 1,066,334 km (0.048 R)
• M6: 1,583,194 km (0.092 R)
• M7: 2,944,236 km (0.09 R)
• M8: 4,513,817 km (0.109 R)
• M9: 4,937,328 km (0.078 R)
• M10: 5,639,690 km (0.091 R)
• M11: 8,573,903 km (0.062 R)
• M12: 10,117,454 km (0.102 R)
• M13: 12,264,333 km (0.1 R)
• M14: 14,350,625 km (0.057 R)
• M15: 16,586,066 km (0.078 R)
• M16: 25,260,049 km (0.087 R)
• M17: 25,561,788 km (0.092 R)
• M18: 26,275,071 km (0.09 R)
• M19: 34,769,836 km (0.094 R)
• M20: 37,963,152 km (0.081 R)
• M21: 45,963,198 km (0.107 R)
• M22: 46,865,423 km (0.085 R)
• M23: 57,581,567 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit